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The following commit(s) were added to refs/heads/master by this push:
     new 5962c10a2f5 HDDS-13563. Convert redundant fields to local var in 
ozone-recon module (#8992)
5962c10a2f5 is described below

commit 5962c10a2f50cca34ac51a9a59416a316cc73eab
Author: Ivan Zlenko <[email protected]>
AuthorDate: Mon Sep 8 11:08:44 2025 +0400

    HDDS-13563. Convert redundant fields to local var in ozone-recon module 
(#8992)
---
 .../hadoop/ozone/recon/api/TestBlocksEndPoint.java |   6 +-
 .../ozone/recon/api/TestClusterStateEndpoint.java  |  20 ++--
 .../ozone/recon/api/TestContainerEndpoint.java     |   3 +-
 .../recon/api/TestDeletedKeysSearchEndpoint.java   |   6 +-
 .../hadoop/ozone/recon/api/TestEndpoints.java      |  12 +--
 .../ozone/recon/api/TestFeaturesEndPoint.java      |   3 +-
 .../recon/api/TestNSSummaryDiskUsageOrdering.java  |   6 +-
 .../recon/api/TestNSSummaryEndpointWithFSO.java    |   3 +-
 .../recon/api/TestNSSummaryEndpointWithLegacy.java |   3 +-
 .../api/TestNSSummaryEndpointWithOBSAndLegacy.java |   3 +-
 .../ozone/recon/api/TestOmDBInsightEndPoint.java   |  20 ++--
 .../ozone/recon/api/TestOpenContainerCount.java    |  16 ++-
 .../recon/api/TestOpenKeysSearchEndpoint.java      |  11 +-
 .../ozone/recon/api/TestTriggerDBSyncEndpoint.java |   3 +-
 .../ozone/recon/heatmap/TestHeatMapInfo.java       |   3 +-
 .../scm/AbstractReconContainerManagerTest.java     |  15 +--
 ...TestReconIncrementalContainerReportHandler.java |   3 +-
 .../ozone/recon/scm/TestReconNodeManager.java      |   3 +-
 .../ozone/recon/scm/TestReconPipelineManager.java  |   7 +-
 .../TestReconContainerMetadataManagerImpl.java     |   3 +-
 .../impl/TestReconNamespaceSummaryManagerImpl.java |   3 +-
 .../recon/tasks/TestContainerKeyMapperTask.java    |   3 +-
 .../recon/tasks/TestContainerSizeCountTask.java    |  13 +--
 .../ozone/recon/tasks/TestFileSizeCountTask.java   |   3 +-
 .../ozone/recon/tasks/TestNSSummaryTask.java       |  39 +++----
 .../recon/tasks/TestNSSummaryTaskWithFSO.java      | 115 ++++++++++----------
 .../recon/tasks/TestNSSummaryTaskWithLegacy.java   | 116 ++++++++++-----------
 .../TestNSSummaryTaskWithLegacyOBSLayout.java      |  71 ++++++-------
 .../recon/tasks/TestNSSummaryTaskWithOBS.java      |  71 ++++++-------
 .../ozone/recon/tasks/TestOmTableInsightTask.java  |   3 +-
 .../upgrade/TestReconLayoutVersionManager.java     |   3 +-
 31 files changed, 254 insertions(+), 335 deletions(-)

diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestBlocksEndPoint.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestBlocksEndPoint.java
index 20904a9523e..f46c5345cfe 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestBlocksEndPoint.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestBlocksEndPoint.java
@@ -65,16 +65,14 @@ public class TestBlocksEndPoint {
   @TempDir
   private Path temporaryFolder;
 
-  private ReconStorageContainerManagerFacade reconStorageContainerManager;
   private ReconContainerManager reconContainerManager;
   private ReconPipelineManager reconPipelineManager;
   private BlocksEndPoint blocksEndPoint;
   private boolean isSetupDone = false;
-  private ReconOMMetadataManager reconOMMetadataManager;
   private  DBStore scmDBStore;
 
   private void initializeInjector() throws Exception {
-    reconOMMetadataManager = getTestReconOmMetadataManager(
+    ReconOMMetadataManager reconOMMetadataManager = 
getTestReconOmMetadataManager(
         initializeNewOmMetadataManager(Files.createDirectory(
             temporaryFolder.resolve("JunitOmDBDir")).toFile()),
         Files.createDirectory(temporaryFolder.resolve("NewDir")).toFile());
@@ -95,7 +93,7 @@ private void initializeInjector() throws Exception {
             .addBinding(BlocksEndPoint.class)
             .build();
 
-    reconStorageContainerManager =
+    ReconStorageContainerManagerFacade reconStorageContainerManager =
         
reconTestInjector.getInstance(ReconStorageContainerManagerFacade.class);
     reconContainerManager = (ReconContainerManager)
         reconStorageContainerManager.getContainerManager();
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestClusterStateEndpoint.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestClusterStateEndpoint.java
index a27d33940ee..d5807b3f71b 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestClusterStateEndpoint.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestClusterStateEndpoint.java
@@ -60,18 +60,16 @@
  * Unit test for ClusterStateEndpoint ContainerStateCounts.
  */
 public class TestClusterStateEndpoint extends AbstractReconSqlDBTest {
+
+  private static final long KEY_COUNT = 5L;
+
   @TempDir
   private Path temporaryFolder;
-  private OzoneStorageContainerManager ozoneStorageContainerManager;
-  private ContainerHealthSchemaManager containerHealthSchemaManager;
   private ClusterStateEndpoint clusterStateEndpoint;
   private ReconContainerManager reconContainerManager;
-  private ReconPipelineManager reconPipelineManager;
-  private ReconOMMetadataManager reconOMMetadataManager;
   private Pipeline pipeline;
   private PipelineID pipelineID;
   private OzoneConfiguration conf;
-  private long keyCount = 5L;
   private int count = 0;
   private static final int NUM_OPEN_CONTAINERS = 3;
   private static final int NUM_DELETED_CONTAINERS = 4;
@@ -83,7 +81,7 @@ public TestClusterStateEndpoint() {
 
   @BeforeEach
   public void setUp() throws Exception {
-    reconOMMetadataManager = getTestReconOmMetadataManager(
+    ReconOMMetadataManager reconOMMetadataManager = 
getTestReconOmMetadataManager(
         initializeNewOmMetadataManager(Files.createDirectory(
             temporaryFolder.resolve("JunitOmDBDir")).toFile()),
         Files.createDirectory(temporaryFolder.resolve("NewDir")).toFile());
@@ -102,13 +100,13 @@ public void setUp() throws Exception {
             .addBinding(ClusterStateEndpoint.class)
             .addBinding(ContainerHealthSchemaManager.class)
             .build();
-    ozoneStorageContainerManager =
+    OzoneStorageContainerManager ozoneStorageContainerManager =
         reconTestInjector.getInstance(OzoneStorageContainerManager.class);
     reconContainerManager = (ReconContainerManager)
         ozoneStorageContainerManager.getContainerManager();
-    reconPipelineManager = (ReconPipelineManager)
-        ozoneStorageContainerManager.getPipelineManager();
-    containerHealthSchemaManager =
+    ReconPipelineManager reconPipelineManager = (ReconPipelineManager)
+                                                    
ozoneStorageContainerManager.getPipelineManager();
+    ContainerHealthSchemaManager containerHealthSchemaManager =
         reconTestInjector.getInstance(ContainerHealthSchemaManager.class);
     GlobalStatsDao globalStatsDao = getDao(GlobalStatsDao.class);
     conf = mock(OzoneConfiguration.class);
@@ -169,7 +167,7 @@ ContainerInfo newContainerInfo(long containerId,
                 HddsProtos.ReplicationFactor.THREE))
         .setState(state)
         .setOwner("owner1")
-        .setNumberOfKeys(keyCount)
+        .setNumberOfKeys(KEY_COUNT)
         .setPipelineID(pipelineID)
         .build();
   }
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestContainerEndpoint.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestContainerEndpoint.java
index a94ba618be1..4794ecf1f30 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestContainerEndpoint.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestContainerEndpoint.java
@@ -122,7 +122,6 @@ public class TestContainerEndpoint {
   private static final Logger LOG =
       LoggerFactory.getLogger(TestContainerEndpoint.class);
 
-  private OzoneStorageContainerManager ozoneStorageContainerManager;
   private ReconNamespaceSummaryManager reconNamespaceSummaryManager;
   private ReconContainerManager reconContainerManager;
   private ContainerStateManager containerStateManager;
@@ -190,7 +189,7 @@ private void initializeInjector() throws Exception {
             .addBinding(ContainerHealthSchemaManager.class)
             .build();
 
-    ozoneStorageContainerManager =
+    OzoneStorageContainerManager ozoneStorageContainerManager =
         reconTestInjector.getInstance(OzoneStorageContainerManager.class);
     reconContainerManager = (ReconContainerManager)
         ozoneStorageContainerManager.getContainerManager();
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestDeletedKeysSearchEndpoint.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestDeletedKeysSearchEndpoint.java
index 5191808df7d..66380d9b59c 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestDeletedKeysSearchEndpoint.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestDeletedKeysSearchEndpoint.java
@@ -79,14 +79,12 @@ public class TestDeletedKeysSearchEndpoint extends 
AbstractReconSqlDBTest {
   private Path temporaryFolder;
   private ReconOMMetadataManager reconOMMetadataManager;
   private OMDBInsightEndpoint omdbInsightEndpoint;
-  private OzoneConfiguration ozoneConfiguration;
-  private OMMetadataManager omMetadataManager;
 
   @BeforeEach
   public void setUp() throws Exception {
-    ozoneConfiguration = new OzoneConfiguration();
+    OzoneConfiguration ozoneConfiguration = new OzoneConfiguration();
     
ozoneConfiguration.setLong(OZONE_RECON_NSSUMMARY_FLUSH_TO_DB_MAX_THRESHOLD, 
100);
-    omMetadataManager = initializeNewOmMetadataManager(
+    OMMetadataManager omMetadataManager = initializeNewOmMetadataManager(
         
Files.createDirectory(temporaryFolder.resolve("JunitOmDBDir")).toFile());
     reconOMMetadataManager = getTestReconOmMetadataManager(omMetadataManager,
         
Files.createDirectory(temporaryFolder.resolve("OmMetataDir")).toFile());
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestEndpoints.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestEndpoints.java
index d5adaa0aa26..d406e4fce72 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestEndpoints.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestEndpoints.java
@@ -183,7 +183,6 @@ public class TestEndpoints extends AbstractReconSqlDBTest {
   private ExtendedDatanodeDetailsProto extendedDatanodeDetailsProto3;
   private Pipeline pipeline;
   private FileCountBySizeDao fileCountBySizeDao;
-  private ContainerCountBySizeDao containerCountBySizeDao;
   private DSLContext dslContext;
   private static final String HOST1 = "host1.datanode";
   private static final String HOST2 = "host2.datanode";
@@ -198,10 +197,7 @@ public class TestEndpoints extends AbstractReconSqlDBTest {
   private ReconUtils reconUtilsMock;
   private StorageContainerLocationProtocol mockScmClient;
 
-  private ContainerHealthSchemaManager containerHealthSchemaManager;
   private CommonUtils commonUtils;
-  private PipelineManager pipelineManager;
-  private ReconPipelineManager reconPipelineManager;
   private List<HddsProtos.Node> nodes = getNodeDetails(2);
   private Map<String, List<ContainerID>> containerOnDecom = 
getContainersOnDecomNodes();
   private ArrayList<String> metrics = getMetrics();
@@ -300,7 +296,7 @@ private void initializeInjector() throws Exception {
     volumeEndpoint = reconTestInjector.getInstance(VolumeEndpoint.class);
     bucketEndpoint = reconTestInjector.getInstance(BucketEndpoint.class);
     fileCountBySizeDao = getDao(FileCountBySizeDao.class);
-    containerCountBySizeDao = reconScm.getContainerCountBySizeDao();
+    ContainerCountBySizeDao containerCountBySizeDao = 
reconScm.getContainerCountBySizeDao();
     GlobalStatsDao globalStatsDao = getDao(GlobalStatsDao.class);
     UtilizationSchemaDefinition utilizationSchemaDefinition =
         getSchemaDefinition(UtilizationSchemaDefinition.class);
@@ -317,7 +313,7 @@ private void initializeInjector() throws Exception {
     omTableInsightTask =
         new OmTableInsightTask(globalStatsDao, sqlConfiguration,
             reconOMMetadataManager);
-    containerHealthSchemaManager =
+    ContainerHealthSchemaManager containerHealthSchemaManager =
         reconTestInjector.getInstance(ContainerHealthSchemaManager.class);
     clusterStateEndpoint =
         new ClusterStateEndpoint(reconScm, globalStatsDao,
@@ -328,8 +324,8 @@ private void initializeInjector() throws Exception {
     metricsProxyEndpoint =
         new MetricsProxyEndpoint(metricsServiceProviderFactory);
     dslContext = getDslContext();
-    pipelineManager = reconScm.getPipelineManager();
-    reconPipelineManager = (ReconPipelineManager) pipelineManager;
+    PipelineManager pipelineManager = reconScm.getPipelineManager();
+    ReconPipelineManager reconPipelineManager = (ReconPipelineManager) 
pipelineManager;
     reconPipelineManager.addPipeline(pipeline);
   }
 
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestFeaturesEndPoint.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestFeaturesEndPoint.java
index 7181f29ba01..796ff43736c 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestFeaturesEndPoint.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestFeaturesEndPoint.java
@@ -52,12 +52,11 @@ public class TestFeaturesEndPoint {
   private Path temporaryFolder;
   private FeaturesEndpoint featuresEndPoint;
   private boolean isSetupDone = false;
-  private ReconOMMetadataManager reconOMMetadataManager;
   private OzoneConfiguration ozoneConfiguration;
 
   private void initializeInjector() throws Exception {
     ozoneConfiguration = new OzoneConfiguration();
-    reconOMMetadataManager = getTestReconOmMetadataManager(
+    ReconOMMetadataManager reconOMMetadataManager = 
getTestReconOmMetadataManager(
         initializeNewOmMetadataManager(Files.createDirectory(
             temporaryFolder.resolve("JunitOmDBDir")).toFile()),
         Files.createDirectory(temporaryFolder.resolve("NewDir")).toFile());
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestNSSummaryDiskUsageOrdering.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestNSSummaryDiskUsageOrdering.java
index f5842131644..2d375b6fe86 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestNSSummaryDiskUsageOrdering.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestNSSummaryDiskUsageOrdering.java
@@ -69,17 +69,15 @@ public class TestNSSummaryDiskUsageOrdering {
 
   private ReconOMMetadataManager reconOMMetadataManager;
   private NSSummaryEndpoint nsSummaryEndpoint;
-  private OzoneConfiguration ozoneConfiguration;
   private static final String ROOT_PATH = "/";
   private static final String TEST_USER = "TestUser";
-  private OMMetadataManager omMetadataManager;
 
   @BeforeEach
   public void setUp() throws Exception {
-    ozoneConfiguration = new OzoneConfiguration();
+    OzoneConfiguration ozoneConfiguration = new OzoneConfiguration();
     ozoneConfiguration.setLong(OZONE_RECON_NSSUMMARY_FLUSH_TO_DB_MAX_THRESHOLD,
         100);
-    omMetadataManager = initializeNewOmMetadataManager(
+    OMMetadataManager omMetadataManager = initializeNewOmMetadataManager(
         Files.createDirectory(temporaryFolder.resolve("JunitOmDBDir"))
             .toFile());
     OzoneManagerServiceProviderImpl ozoneManagerServiceProvider =
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestNSSummaryEndpointWithFSO.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestNSSummaryEndpointWithFSO.java
index 89257ba233e..b496f2225d1 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestNSSummaryEndpointWithFSO.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestNSSummaryEndpointWithFSO.java
@@ -121,7 +121,6 @@ public class TestNSSummaryEndpointWithFSO {
   private ReconOMMetadataManager reconOMMetadataManager;
   private ReconNamespaceSummaryManager reconNamespaceSummaryManager;
   private NSSummaryEndpoint nsSummaryEndpoint;
-  private OzoneConfiguration ozoneConfiguration;
   private CommonUtils commonUtils;
 
   private static final String TEST_PATH_UTILITY =
@@ -358,7 +357,7 @@ public class TestNSSummaryEndpointWithFSO {
 
   @BeforeEach
   public void setUp() throws Exception {
-    ozoneConfiguration = new OzoneConfiguration();
+    OzoneConfiguration ozoneConfiguration = new OzoneConfiguration();
     ozoneConfiguration.setLong(OZONE_RECON_NSSUMMARY_FLUSH_TO_DB_MAX_THRESHOLD,
         10);
     OMMetadataManager omMetadataManager = initializeNewOmMetadataManager(
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestNSSummaryEndpointWithLegacy.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestNSSummaryEndpointWithLegacy.java
index abb2869bc4e..01881221979 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestNSSummaryEndpointWithLegacy.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestNSSummaryEndpointWithLegacy.java
@@ -117,7 +117,6 @@ public class TestNSSummaryEndpointWithLegacy {
   private ReconNamespaceSummaryManager reconNamespaceSummaryManager;
   private ReconOMMetadataManager reconOMMetadataManager;
   private NSSummaryEndpoint nsSummaryEndpoint;
-  private OzoneConfiguration conf;
   private CommonUtils commonUtils;
 
   private static final String TEST_PATH_UTILITY =
@@ -356,7 +355,7 @@ public class TestNSSummaryEndpointWithLegacy {
 
   @BeforeEach
   public void setUp() throws Exception {
-    conf = new OzoneConfiguration();
+    OzoneConfiguration conf = new OzoneConfiguration();
     OMMetadataManager omMetadataManager = initializeNewOmMetadataManager(
         Files.createDirectory(temporaryFolder.resolve(
             "JunitOmDBDir")).toFile(), conf);
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestNSSummaryEndpointWithOBSAndLegacy.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestNSSummaryEndpointWithOBSAndLegacy.java
index 00196d5f5e3..9a311fb07e2 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestNSSummaryEndpointWithOBSAndLegacy.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestNSSummaryEndpointWithOBSAndLegacy.java
@@ -129,7 +129,6 @@ public class TestNSSummaryEndpointWithOBSAndLegacy {
   private ReconOMMetadataManager reconOMMetadataManager;
   private ReconNamespaceSummaryManager reconNamespaceSummaryManager;
   private NSSummaryEndpoint nsSummaryEndpoint;
-  private OzoneConfiguration conf;
   private CommonUtils commonUtils;
 
   private static final String TEST_PATH_UTILITY =
@@ -340,7 +339,7 @@ public class TestNSSummaryEndpointWithOBSAndLegacy {
 
   @BeforeEach
   public void setUp() throws Exception {
-    conf = new OzoneConfiguration();
+    OzoneConfiguration conf = new OzoneConfiguration();
     // By setting this config our Legacy buckets will behave like OBS buckets.
     conf.set(OMConfigKeys.OZONE_OM_ENABLE_FILESYSTEM_PATHS, "false");
     OMMetadataManager omMetadataManager = initializeNewOmMetadataManager(
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestOmDBInsightEndPoint.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestOmDBInsightEndPoint.java
index 7cd08ff009a..7a705a52b24 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestOmDBInsightEndPoint.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestOmDBInsightEndPoint.java
@@ -98,15 +98,9 @@
 public class TestOmDBInsightEndPoint extends AbstractReconSqlDBTest {
   @TempDir
   private Path temporaryFolder;
-  private OzoneStorageContainerManager ozoneStorageContainerManager;
   private ReconContainerMetadataManager reconContainerMetadataManager;
-  private OMMetadataManager omMetadataManager;
-  private ReconPipelineManager reconPipelineManager;
   private ReconOMMetadataManager reconOMMetadataManager;
   private ReconNamespaceSummaryManager reconNamespaceSummaryManager;
-  private NSSummaryTaskWithLegacy nSSummaryTaskWithLegacy;
-  private NSSummaryTaskWithOBS nsSummaryTaskWithOBS;
-  private NSSummaryTaskWithFSO nsSummaryTaskWithFSO;
   private OMDBInsightEndpoint omdbInsightEndpoint;
   private Pipeline pipeline;
   private Random random = new Random();
@@ -268,7 +262,7 @@ private long generateUniqueRandomLong() {
 
   @BeforeEach
   public void setUp() throws Exception {
-    omMetadataManager = initializeNewOmMetadataManager(
+    OMMetadataManager omMetadataManager = initializeNewOmMetadataManager(
         Files.createDirectory(temporaryFolder.resolve(
             "JunitOmMetadata")).toFile());
     reconOMMetadataManager = getTestReconOmMetadataManager(omMetadataManager,
@@ -293,23 +287,23 @@ public void setUp() throws Exception {
         reconTestInjector.getInstance(ReconContainerMetadataManager.class);
     omdbInsightEndpoint = reconTestInjector.getInstance(
         OMDBInsightEndpoint.class);
-    ozoneStorageContainerManager =
+    OzoneStorageContainerManager ozoneStorageContainerManager =
         reconTestInjector.getInstance(OzoneStorageContainerManager.class);
-    reconPipelineManager = (ReconPipelineManager)
-        ozoneStorageContainerManager.getPipelineManager();
+    ReconPipelineManager reconPipelineManager = (ReconPipelineManager)
+                                                    
ozoneStorageContainerManager.getPipelineManager();
     pipeline = getRandomPipeline();
     reconPipelineManager.addPipeline(pipeline);
     ozoneConfiguration = new OzoneConfiguration();
     reconNamespaceSummaryManager =
         reconTestInjector.getInstance(ReconNamespaceSummaryManager.class);
     setUpOmData();
-    nSSummaryTaskWithLegacy = new NSSummaryTaskWithLegacy(
+    NSSummaryTaskWithLegacy nSSummaryTaskWithLegacy = new 
NSSummaryTaskWithLegacy(
         reconNamespaceSummaryManager,
         reconOMMetadataManager, ozoneConfiguration, 10);
-    nsSummaryTaskWithOBS  = new NSSummaryTaskWithOBS(
+    NSSummaryTaskWithOBS nsSummaryTaskWithOBS = new NSSummaryTaskWithOBS(
         reconNamespaceSummaryManager,
         reconOMMetadataManager, 10);
-    nsSummaryTaskWithFSO  = new NSSummaryTaskWithFSO(
+    NSSummaryTaskWithFSO nsSummaryTaskWithFSO = new NSSummaryTaskWithFSO(
         reconNamespaceSummaryManager,
         reconOMMetadataManager, 10);
     reconNamespaceSummaryManager.clearNSSummaryTable();
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestOpenContainerCount.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestOpenContainerCount.java
index c7d3f91e447..0fa4415af18 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestOpenContainerCount.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestOpenContainerCount.java
@@ -92,7 +92,6 @@ public class TestOpenContainerCount {
   private Path temporaryFolder;
 
   private NodeEndpoint nodeEndpoint;
-  private ReconOMMetadataManager reconOMMetadataManager;
   private ReconStorageContainerManagerFacade reconScm;
   private boolean isSetupDone = false;
   private String pipelineId;
@@ -108,20 +107,17 @@ public class TestOpenContainerCount {
   private Pipeline pipeline2;
   private static final String HOST1 = "host1.datanode";
   private static final String IP1 = "1.1.1.1";
-  private ReconUtils reconUtilsMock;
   private StorageContainerServiceProvider mockScmServiceProvider;
 
   private List<Long> containerIDs;
 
   private List<ContainerWithPipeline> cpw;
   private CommonUtils commonUtils;
-  private PipelineManager pipelineManager;
-  private ReconPipelineManager reconPipelineManager;
 
   private void initializeInjector() throws Exception {
-    reconOMMetadataManager = getTestReconOmMetadataManager(
-            initializeNewOmMetadataManager(Files.createDirectory(
-                temporaryFolder.resolve("JunitOmDBDir")).toFile()),
+    ReconOMMetadataManager reconOMMetadataManager = 
getTestReconOmMetadataManager(
+        initializeNewOmMetadataManager(Files.createDirectory(
+            temporaryFolder.resolve("JunitOmDBDir")).toFile()),
         Files.createDirectory(temporaryFolder.resolve("NewDir")).toFile());
     datanodeDetails = randomDatanodeDetails();
     datanodeDetails.setHostName(HOST1);
@@ -185,7 +181,7 @@ private void initializeInjector() throws Exception {
             .getExistContainerWithPipelinesInBatch(containerIDs))
             .thenReturn(cpw);
 
-    reconUtilsMock = mock(ReconUtils.class);
+    ReconUtils reconUtilsMock = mock(ReconUtils.class);
 
     HttpURLConnection urlConnectionMock = mock(HttpURLConnection.class);
     when(urlConnectionMock.getResponseCode())
@@ -220,8 +216,8 @@ private void initializeInjector() throws Exception {
     nodeEndpoint = reconTestInjector.getInstance(NodeEndpoint.class);
     reconScm = (ReconStorageContainerManagerFacade)
             reconTestInjector.getInstance(OzoneStorageContainerManager.class);
-    pipelineManager = reconScm.getPipelineManager();
-    reconPipelineManager = (ReconPipelineManager) pipelineManager;
+    PipelineManager pipelineManager = reconScm.getPipelineManager();
+    ReconPipelineManager reconPipelineManager = (ReconPipelineManager) 
pipelineManager;
     reconPipelineManager.addPipeline(pipeline);
     reconPipelineManager.addPipeline(pipeline2);
   }
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestOpenKeysSearchEndpoint.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestOpenKeysSearchEndpoint.java
index 024cee560ba..b59aaa3c8b8 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestOpenKeysSearchEndpoint.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestOpenKeysSearchEndpoint.java
@@ -81,18 +81,14 @@ public class TestOpenKeysSearchEndpoint extends 
AbstractReconSqlDBTest {
   private Path temporaryFolder;
   private ReconOMMetadataManager reconOMMetadataManager;
   private OMDBInsightEndpoint omdbInsightEndpoint;
-  private OzoneConfiguration ozoneConfiguration;
   private static final String ROOT_PATH = "/";
   private static final String TEST_USER = "TestUser";
-  private OMMetadataManager omMetadataManager;
-
-  private ReconNamespaceSummaryManager reconNamespaceSummaryManager;
 
   @BeforeEach
   public void setUp() throws Exception {
-    ozoneConfiguration = new OzoneConfiguration();
+    OzoneConfiguration ozoneConfiguration = new OzoneConfiguration();
     
ozoneConfiguration.setLong(OZONE_RECON_NSSUMMARY_FLUSH_TO_DB_MAX_THRESHOLD, 
100);
-    omMetadataManager = initializeNewOmMetadataManager(
+    OMMetadataManager omMetadataManager = initializeNewOmMetadataManager(
         
Files.createDirectory(temporaryFolder.resolve("JunitOmDBDir")).toFile());
     reconOMMetadataManager = getTestReconOmMetadataManager(omMetadataManager,
         
Files.createDirectory(temporaryFolder.resolve("OmMetataDir")).toFile());
@@ -110,7 +106,8 @@ public void setUp() throws Exception {
             .addBinding(OMDBInsightEndpoint.class)
             .addBinding(ContainerHealthSchemaManager.class)
             .build();
-    reconNamespaceSummaryManager = 
reconTestInjector.getInstance(ReconNamespaceSummaryManager.class);
+    ReconNamespaceSummaryManager reconNamespaceSummaryManager =
+        reconTestInjector.getInstance(ReconNamespaceSummaryManager.class);
     omdbInsightEndpoint = 
reconTestInjector.getInstance(OMDBInsightEndpoint.class);
     // populate OM DB and reprocess into Recon RocksDB
     populateOMDB();
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestTriggerDBSyncEndpoint.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestTriggerDBSyncEndpoint.java
index b898dd32028..fdb691df8d4 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestTriggerDBSyncEndpoint.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestTriggerDBSyncEndpoint.java
@@ -73,7 +73,6 @@ public class TestTriggerDBSyncEndpoint {
   @TempDir
   private Path temporaryFolder;
   private ReconTestInjector reconTestInjector;
-  private CommonUtils commonUtils;
 
   @BeforeEach
   public void setUp() throws IOException, AuthenticationException {
@@ -85,7 +84,7 @@ public void setUp() throws IOException, 
AuthenticationException {
         Files.createDirectory(temporaryFolder.resolve("ReconDb"))
             .toFile().getAbsolutePath());
     configuration.set(OZONE_OM_ADDRESS_KEY, "localhost:9862");
-    commonUtils = new CommonUtils();
+    CommonUtils commonUtils = new CommonUtils();
     OzoneManagerProtocol ozoneManagerProtocol
         = mock(OzoneManagerProtocol.class);
     when(ozoneManagerProtocol.getDBUpdates(any(OzoneManagerProtocolProtos
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/heatmap/TestHeatMapInfo.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/heatmap/TestHeatMapInfo.java
index 7793fb5b4a2..284fab39100 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/heatmap/TestHeatMapInfo.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/heatmap/TestHeatMapInfo.java
@@ -57,13 +57,12 @@ public class TestHeatMapInfo {
   private Path temporaryFolder;
 
   private boolean isSetupDone = false;
-  private ReconOMMetadataManager reconOMMetadataManager;
   private String auditRespStr;
   private HeatMapUtil heatMapUtil;
 
   @SuppressWarnings("checkstyle:methodlength")
   private void initializeInjector() throws Exception {
-    reconOMMetadataManager = getTestReconOmMetadataManager(
+    ReconOMMetadataManager reconOMMetadataManager = 
getTestReconOmMetadataManager(
         initializeNewOmMetadataManager(Files.createDirectory(
             temporaryFolder.resolve("JunitOmDBDir")).toFile()),
         Files.createDirectory(temporaryFolder.resolve("NewDir")).toFile());
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/scm/AbstractReconContainerManagerTest.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/scm/AbstractReconContainerManagerTest.java
index 159fad860de..2490d351ee0 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/scm/AbstractReconContainerManagerTest.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/scm/AbstractReconContainerManagerTest.java
@@ -71,14 +71,9 @@
 public class AbstractReconContainerManagerTest {
 
   private OzoneConfiguration conf;
-  private SCMStorageConfig scmStorageConfig;
   private ReconPipelineManager pipelineManager;
   private ReconContainerManager containerManager;
   private DBStore store;
-  private HDDSLayoutVersionManager layoutVersionManager;
-  private SCMHAManager scmhaManager;
-  private SCMContext scmContext;
-  private SequenceIdGenerator sequenceIdGen;
 
   @BeforeEach
   public void setUp(@TempDir File tempDir) throws Exception {
@@ -86,15 +81,15 @@ public void setUp(@TempDir File tempDir) throws Exception {
     conf.set(OZONE_METADATA_DIRS, tempDir.getAbsolutePath());
     conf.set(OZONE_SCM_NAMES, "localhost");
     store = DBStoreBuilder.createDBStore(conf, ReconSCMDBDefinition.get());
-    scmhaManager = SCMHAManagerStub.getInstance(
+    SCMHAManager scmhaManager = SCMHAManagerStub.getInstance(
         true, new SCMHADBTransactionBufferStub(store));
-    sequenceIdGen = new SequenceIdGenerator(
+    SequenceIdGenerator sequenceIdGen = new SequenceIdGenerator(
         conf, scmhaManager, ReconSCMDBDefinition.SEQUENCE_ID.getTable(store));
-    scmContext = SCMContext.emptyContext();
-    scmStorageConfig = new ReconStorageConfig(conf, new ReconUtils());
+    SCMContext scmContext = SCMContext.emptyContext();
+    SCMStorageConfig scmStorageConfig = new ReconStorageConfig(conf, new 
ReconUtils());
     NetworkTopology clusterMap = new NetworkTopologyImpl(conf);
     EventQueue eventQueue = new EventQueue();
-    layoutVersionManager = mock(HDDSLayoutVersionManager.class);
+    HDDSLayoutVersionManager layoutVersionManager = 
mock(HDDSLayoutVersionManager.class);
     when(layoutVersionManager.getSoftwareLayoutVersion())
         .thenReturn(maxLayoutVersion());
     when(layoutVersionManager.getMetadataLayoutVersion())
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/scm/TestReconIncrementalContainerReportHandler.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/scm/TestReconIncrementalContainerReportHandler.java
index af35a1521f3..78f9bbceafc 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/scm/TestReconIncrementalContainerReportHandler.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/scm/TestReconIncrementalContainerReportHandler.java
@@ -63,7 +63,6 @@
  */
 public class TestReconIncrementalContainerReportHandler
     extends AbstractReconContainerManagerTest {
-  private HDDSLayoutVersionManager versionManager;
 
   @Test
   public void testProcessICR(@TempDir Path scmPath)
@@ -94,7 +93,7 @@ public void testProcessICR(@TempDir Path scmPath)
     NetworkTopology clusterMap = new NetworkTopologyImpl(conf);
     EventQueue eventQueue = new EventQueue();
     SCMStorageConfig storageConfig = new SCMStorageConfig(conf);
-    this.versionManager = mock(HDDSLayoutVersionManager.class);
+    HDDSLayoutVersionManager versionManager = 
mock(HDDSLayoutVersionManager.class);
     when(versionManager.getMetadataLayoutVersion())
         .thenReturn(maxLayoutVersion());
     when(versionManager.getSoftwareLayoutVersion())
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/scm/TestReconNodeManager.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/scm/TestReconNodeManager.java
index 118b5c2cc59..e0eb2f020cc 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/scm/TestReconNodeManager.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/scm/TestReconNodeManager.java
@@ -71,7 +71,6 @@ public class TestReconNodeManager {
 
   private OzoneConfiguration conf;
   private DBStore store;
-  private ReconStorageConfig reconStorageConfig;
   private HDDSLayoutVersionManager versionManager;
   private ReconContext reconContext;
 
@@ -81,7 +80,7 @@ public void setUp() throws Exception {
     conf.set(OZONE_METADATA_DIRS, temporaryFolder.toAbsolutePath().toString());
     conf.set(OZONE_SCM_NAMES, "localhost");
     ReconUtils reconUtils = new ReconUtils();
-    reconStorageConfig = new ReconStorageConfig(conf, reconUtils);
+    ReconStorageConfig reconStorageConfig = new ReconStorageConfig(conf, 
reconUtils);
     versionManager = new HDDSLayoutVersionManager(
         reconStorageConfig.getLayoutVersion());
     store = DBStoreBuilder.createDBStore(conf, ReconSCMDBDefinition.get());
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/scm/TestReconPipelineManager.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/scm/TestReconPipelineManager.java
index bb3dceb79f0..f837d1a41fd 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/scm/TestReconPipelineManager.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/scm/TestReconPipelineManager.java
@@ -79,7 +79,6 @@ public class TestReconPipelineManager {
   private OzoneConfiguration conf;
   private SCMStorageConfig scmStorageConfig;
   private DBStore store;
-  private HDDSLayoutVersionManager versionManager;
   private SCMHAManager scmhaManager;
   private SCMContext scmContext;
 
@@ -130,7 +129,7 @@ public void testInitialize() throws IOException, 
TimeoutException {
 
     NetworkTopology clusterMap = new NetworkTopologyImpl(conf);
     EventQueue eventQueue = new EventQueue();
-    this.versionManager = mock(HDDSLayoutVersionManager.class);
+    HDDSLayoutVersionManager versionManager = 
mock(HDDSLayoutVersionManager.class);
     when(versionManager.getMetadataLayoutVersion())
         .thenReturn(maxLayoutVersion());
     when(versionManager.getSoftwareLayoutVersion())
@@ -184,7 +183,7 @@ public void testAddPipeline() throws IOException, 
TimeoutException {
     Pipeline pipeline = getRandomPipeline();
     NetworkTopology clusterMap = new NetworkTopologyImpl(conf);
     EventQueue eventQueue = new EventQueue();
-    this.versionManager = mock(HDDSLayoutVersionManager.class);
+    HDDSLayoutVersionManager versionManager = 
mock(HDDSLayoutVersionManager.class);
     when(versionManager.getMetadataLayoutVersion())
         .thenReturn(maxLayoutVersion());
     when(versionManager.getSoftwareLayoutVersion())
@@ -211,7 +210,7 @@ public void testDuplicatePipelineHandling() throws 
IOException {
     Pipeline pipeline = getRandomPipeline();
     NetworkTopology clusterMap = new NetworkTopologyImpl(conf);
     EventQueue eventQueue = new EventQueue();
-    versionManager = mock(HDDSLayoutVersionManager.class);
+    HDDSLayoutVersionManager versionManager = 
mock(HDDSLayoutVersionManager.class);
     
when(versionManager.getMetadataLayoutVersion()).thenReturn(maxLayoutVersion());
     
when(versionManager.getSoftwareLayoutVersion()).thenReturn(maxLayoutVersion());
     NodeManager nodeManager =
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/spi/impl/TestReconContainerMetadataManagerImpl.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/spi/impl/TestReconContainerMetadataManagerImpl.java
index 693bb500495..0a3d9429a7c 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/spi/impl/TestReconContainerMetadataManagerImpl.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/spi/impl/TestReconContainerMetadataManagerImpl.java
@@ -50,7 +50,6 @@ public class TestReconContainerMetadataManagerImpl {
   @TempDir()
   private static Path temporaryFolder;
   private static ReconContainerMetadataManager reconContainerMetadataManager;
-  private static ReconOMMetadataManager reconOMMetadataManager;
 
   private String keyPrefix1 = "V3/B1/K1";
   private String keyPrefix2 = "V3/B1/K2";
@@ -58,7 +57,7 @@ public class TestReconContainerMetadataManagerImpl {
 
   @BeforeAll
   public static void setupOnce() throws Exception {
-    reconOMMetadataManager = getTestReconOmMetadataManager(
+    ReconOMMetadataManager reconOMMetadataManager = 
getTestReconOmMetadataManager(
         initializeNewOmMetadataManager(Files.createDirectory(
             temporaryFolder.resolve("JunitOmDBDir")).toFile()),
         Files.createDirectory(temporaryFolder.resolve("NewDir")).toFile());
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/spi/impl/TestReconNamespaceSummaryManagerImpl.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/spi/impl/TestReconNamespaceSummaryManagerImpl.java
index c0931ba6d35..cd5618cc9a8 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/spi/impl/TestReconNamespaceSummaryManagerImpl.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/spi/impl/TestReconNamespaceSummaryManagerImpl.java
@@ -48,14 +48,13 @@ public class TestReconNamespaceSummaryManagerImpl {
   @TempDir()
   private static Path temporaryFolder;
   private static ReconNamespaceSummaryManagerImpl reconNamespaceSummaryManager;
-  private static ReconOMMetadataManager reconOMMetadataManager;
   private static int[] testBucket;
   private static final Set<Long> TEST_CHILD_DIR =
           new HashSet<>(Arrays.asList(new Long[]{1L, 2L, 3L}));
 
   @BeforeAll
   public static void setupOnce() throws Exception {
-    reconOMMetadataManager = getTestReconOmMetadataManager(
+    ReconOMMetadataManager reconOMMetadataManager = 
getTestReconOmMetadataManager(
         initializeNewOmMetadataManager(Files.createDirectory(
             temporaryFolder.resolve("JunitOmDBDir")).toFile()),
         Files.createDirectory(temporaryFolder.resolve("NewDir")).toFile());
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestContainerKeyMapperTask.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestContainerKeyMapperTask.java
index c30fc451b08..653de02cdbc 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestContainerKeyMapperTask.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestContainerKeyMapperTask.java
@@ -64,7 +64,6 @@ public class TestContainerKeyMapperTask {
   private ReconContainerMetadataManager reconContainerMetadataManager;
   private OMMetadataManager omMetadataManager;
   private ReconOMMetadataManager reconOMMetadataManager;
-  private OzoneManagerServiceProviderImpl ozoneManagerServiceProvider;
   private OzoneConfiguration omConfiguration;
 
   private static final String FSO_KEY_NAME = "dir1/file7";
@@ -82,7 +81,7 @@ public class TestContainerKeyMapperTask {
   public void setUp() throws Exception {
     omMetadataManager = initializeNewOmMetadataManager(
         temporaryFolder.resolve("JunitOmDBDir").toFile());
-    ozoneManagerServiceProvider = getMockOzoneManagerServiceProvider();
+    OzoneManagerServiceProviderImpl ozoneManagerServiceProvider = 
getMockOzoneManagerServiceProvider();
     reconOMMetadataManager = getTestReconOmMetadataManager(omMetadataManager,
         temporaryFolder.resolve("JunitOmMetadataDir").toFile());
     omConfiguration = new OzoneConfiguration();
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestContainerSizeCountTask.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestContainerSizeCountTask.java
index c224a8c0aa6..de00a73af7c 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestContainerSizeCountTask.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestContainerSizeCountTask.java
@@ -51,11 +51,7 @@
  */
 public class TestContainerSizeCountTask extends AbstractReconSqlDBTest {
 
-  private ContainerManager containerManager;
-  private ReconTaskConfig reconTaskConfig;
-  private ReconTaskStatusUpdaterManager reconTaskStatusUpdaterManager;
   private ContainerCountBySizeDao containerCountBySizeDao;
-  private UtilizationSchemaDefinition utilizationSchemaDefinition;
   private ContainerSizeCountTask task;
   private DSLContext dslContext;
 
@@ -65,16 +61,15 @@ public TestContainerSizeCountTask() {
 
   @BeforeEach
   public void setUp() {
-    utilizationSchemaDefinition =
-        getSchemaDefinition(UtilizationSchemaDefinition.class);
+    UtilizationSchemaDefinition utilizationSchemaDefinition = 
getSchemaDefinition(UtilizationSchemaDefinition.class);
     dslContext = utilizationSchemaDefinition.getDSLContext();
     containerCountBySizeDao = getDao(ContainerCountBySizeDao.class);
-    reconTaskConfig = new ReconTaskConfig();
+    ReconTaskConfig reconTaskConfig = new ReconTaskConfig();
     reconTaskConfig.setContainerSizeCountTaskInterval(Duration.ofSeconds(1));
-    reconTaskStatusUpdaterManager = mock(ReconTaskStatusUpdaterManager.class);
+    ReconTaskStatusUpdaterManager reconTaskStatusUpdaterManager = 
mock(ReconTaskStatusUpdaterManager.class);
     
when(reconTaskStatusUpdaterManager.getTaskStatusUpdater(anyString())).thenReturn(new
 ReconTaskStatusUpdater(
         getDao(ReconTaskStatusDao.class), "mockedTask-" + 
System.currentTimeMillis()));
-    containerManager = mock(ContainerManager.class);
+    ContainerManager containerManager = mock(ContainerManager.class);
     task = new ContainerSizeCountTask(
         containerManager,
         reconTaskConfig,
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestFileSizeCountTask.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestFileSizeCountTask.java
index 5e7af183582..634ad4bb5b4 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestFileSizeCountTask.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestFileSizeCountTask.java
@@ -62,7 +62,6 @@ public class TestFileSizeCountTask extends 
AbstractReconSqlDBTest {
   private FileSizeCountTaskOBS fileSizeCountTaskOBS;
   private FileSizeCountTaskFSO fileSizeCountTaskFSO;
   private DSLContext dslContext;
-  private UtilizationSchemaDefinition utilizationSchemaDefinition;
 
   public TestFileSizeCountTask() {
     super();
@@ -71,7 +70,7 @@ public TestFileSizeCountTask() {
   @BeforeEach
   public void setUp() {
     fileCountBySizeDao = getDao(FileCountBySizeDao.class);
-    utilizationSchemaDefinition = 
getSchemaDefinition(UtilizationSchemaDefinition.class);
+    UtilizationSchemaDefinition utilizationSchemaDefinition = 
getSchemaDefinition(UtilizationSchemaDefinition.class);
     // Create separate task instances.
     fileSizeCountTaskOBS = new FileSizeCountTaskOBS(fileCountBySizeDao, 
utilizationSchemaDefinition);
     fileSizeCountTaskFSO = new FileSizeCountTaskFSO(fileCountBySizeDao, 
utilizationSchemaDefinition);
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTask.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTask.java
index 617edc3b9b8..7de5f54b881 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTask.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTask.java
@@ -136,10 +136,6 @@ public class TestProcess {
 
     private NSSummary nsSummaryForBucket1;
     private NSSummary nsSummaryForBucket2;
-    private NSSummary nsSummaryForBucket3;
-
-    private OMDBUpdateEvent keyEvent1;
-    private OMDBUpdateEvent keyEvent2;
 
     @BeforeEach
     public void setUp() throws IOException {
@@ -152,8 +148,7 @@ public void setUp() throws IOException {
       nsSummaryForBucket2 =
           getReconNamespaceSummaryManager().getNSSummary(BUCKET_TWO_OBJECT_ID);
       assertNotNull(nsSummaryForBucket2);
-      nsSummaryForBucket3 =
-          
getReconNamespaceSummaryManager().getNSSummary(BUCKET_THREE_OBJECT_ID);
+      NSSummary nsSummaryForBucket3 = 
getReconNamespaceSummaryManager().getNSSummary(BUCKET_THREE_OBJECT_ID);
       assertNotNull(nsSummaryForBucket3);
     }
 
@@ -165,28 +160,28 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
               OM_KEY_PREFIX + FILE_FIVE;
       OmKeyInfo omPutKeyInfo = buildOmKeyInfo(VOL, BUCKET_TWO, KEY_FIVE,
           FILE_FIVE, KEY_FIVE_OBJECT_ID, BUCKET_TWO_OBJECT_ID, KEY_FIVE_SIZE);
-      keyEvent1 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omPutKey)
-          .setValue(omPutKeyInfo)
-          .setTable(getOmMetadataManager().getKeyTable(getLegacyBucketLayout())
-              .getName())
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
-          .build();
+      OMDBUpdateEvent keyEvent1 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omPutKey)
+                                      .setValue(omPutKeyInfo)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getLegacyBucketLayout())
+                                                    .getName())
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
+                                      .build();
 
       // delete file 1 under bucket 1
       String omDeleteKey = BUCKET_ONE_OBJECT_ID + OM_KEY_PREFIX + FILE_ONE;
       OmKeyInfo omDeleteInfo = buildOmKeyInfo(
           VOL, BUCKET_ONE, KEY_ONE, FILE_ONE,
           KEY_ONE_OBJECT_ID, BUCKET_ONE_OBJECT_ID);
-      keyEvent2 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omDeleteKey)
-          .setValue(omDeleteInfo)
-          .setTable(getOmMetadataManager().getKeyTable(getFSOBucketLayout())
-              .getName())
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.DELETE)
-          .build();
+      OMDBUpdateEvent keyEvent2 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omDeleteKey)
+                                      .setValue(omDeleteInfo)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getFSOBucketLayout())
+                                                    .getName())
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.DELETE)
+                                      .build();
 
       return new OMUpdateEventBatch(Arrays.asList(keyEvent1, keyEvent2), 0L);
     }
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTaskWithFSO.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTaskWithFSO.java
index 5d8f6d365b6..fcee6893276 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTaskWithFSO.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTaskWithFSO.java
@@ -227,13 +227,6 @@ public void testDirectoryParentIdAssignment() throws 
Exception {
    */
   @Nested
   public class TestProcess {
-    private OMDBUpdateEvent keyEvent1;
-    private OMDBUpdateEvent keyEvent2;
-    private OMDBUpdateEvent keyEvent3;
-    private OMDBUpdateEvent keyEvent4;
-    private OMDBUpdateEvent keyEvent5;
-    private OMDBUpdateEvent keyEvent6;
-    private OMDBUpdateEvent keyEvent7;
 
     private Pair<Integer, Boolean> result;
 
@@ -249,28 +242,28 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
       String omPutKey = BUCKET_TWO_OBJECT_ID + OM_KEY_PREFIX + FILE_FIVE;
       OmKeyInfo omPutKeyInfo = buildOmKeyInfo(VOL, BUCKET_TWO, KEY_FIVE,
           FILE_FIVE, KEY_FIVE_OBJECT_ID, BUCKET_TWO_OBJECT_ID, KEY_FIVE_SIZE);
-      keyEvent1 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omPutKey)
-          .setValue(omPutKeyInfo)
-          .setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
-              .getName())
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
-          .build();
+      OMDBUpdateEvent keyEvent1 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omPutKey)
+                                      .setValue(omPutKeyInfo)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
+                                                    .getName())
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
+                                      .build();
 
       // delete file 1 under bucket 1
       String omDeleteKey = BUCKET_ONE_OBJECT_ID + OM_KEY_PREFIX + FILE_ONE;
       OmKeyInfo omDeleteInfo = buildOmKeyInfo(
           VOL, BUCKET_ONE, KEY_ONE, FILE_ONE,
           KEY_ONE_OBJECT_ID, BUCKET_ONE_OBJECT_ID);
-      keyEvent2 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omDeleteKey)
-          .setValue(omDeleteInfo)
-          .setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
-              .getName())
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.DELETE)
-          .build();
+      OMDBUpdateEvent keyEvent2 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omDeleteKey)
+                                      .setValue(omDeleteInfo)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
+                                                    .getName())
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.DELETE)
+                                      .build();
 
       // update file 2's size under bucket 2
       String omUpdateKey = BUCKET_TWO_OBJECT_ID + OM_KEY_PREFIX + FILE_TWO;
@@ -280,52 +273,52 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
       OmKeyInfo omUpdateInfo = buildOmKeyInfo(
           VOL, BUCKET_TWO, KEY_TWO, FILE_TWO,
           KEY_TWO_OBJECT_ID, BUCKET_TWO_OBJECT_ID, KEY_TWO_UPDATE_SIZE);
-      keyEvent3 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omUpdateKey)
-          .setValue(omUpdateInfo)
-          .setOldValue(omOldInfo)
-          .setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
-              .getName())
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.UPDATE)
-          .build();
+      OMDBUpdateEvent keyEvent3 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omUpdateKey)
+                                      .setValue(omUpdateInfo)
+                                      .setOldValue(omOldInfo)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
+                                                    .getName())
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.UPDATE)
+                                      .build();
 
       // Events for DirectoryTable change:
       // add dir 4 under bucket 1
       String omDirPutKey1 = BUCKET_ONE_OBJECT_ID + OM_KEY_PREFIX + DIR_FOUR;
       OmDirectoryInfo omDirPutValue1 = buildOmDirInfo(DIR_FOUR,
           DIR_FOUR_OBJECT_ID, BUCKET_ONE_OBJECT_ID);
-      keyEvent4 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmDirectoryInfo>()
-          .setKey(omDirPutKey1)
-          .setValue(omDirPutValue1)
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
-          .setTable(getOmMetadataManager().getDirectoryTable().getName())
-          .build();
+      OMDBUpdateEvent keyEvent4 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmDirectoryInfo>()
+                                      .setKey(omDirPutKey1)
+                                      .setValue(omDirPutValue1)
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
+                                      
.setTable(getOmMetadataManager().getDirectoryTable().getName())
+                                      .build();
 
       // add dir 5 under bucket 2
       String omDirPutKey2 = BUCKET_TWO_OBJECT_ID + OM_KEY_PREFIX + DIR_FIVE;
       OmDirectoryInfo omDirPutValue2 = buildOmDirInfo(DIR_FIVE,
           DIR_FIVE_OBJECT_ID, BUCKET_TWO_OBJECT_ID);
-      keyEvent5 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmDirectoryInfo>()
-          .setKey(omDirPutKey2)
-          .setValue(omDirPutValue2)
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
-          .setTable(getOmMetadataManager().getDirectoryTable().getName())
-          .build();
+      OMDBUpdateEvent keyEvent5 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmDirectoryInfo>()
+                                      .setKey(omDirPutKey2)
+                                      .setValue(omDirPutValue2)
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
+                                      
.setTable(getOmMetadataManager().getDirectoryTable().getName())
+                                      .build();
 
       // delete dir 3 under dir 1
       String omDirDeleteKey = DIR_ONE_OBJECT_ID + OM_KEY_PREFIX + DIR_THREE;
       OmDirectoryInfo omDirDeleteValue = buildOmDirInfo(DIR_THREE,
           DIR_THREE_OBJECT_ID, DIR_ONE_OBJECT_ID);
-      keyEvent6 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmDirectoryInfo>()
-          .setKey(omDirDeleteKey)
-          .setValue(omDirDeleteValue)
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.DELETE)
-          .setTable(getOmMetadataManager().getDirectoryTable().getName())
-          .build();
+      OMDBUpdateEvent keyEvent6 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmDirectoryInfo>()
+                                      .setKey(omDirDeleteKey)
+                                      .setValue(omDirDeleteValue)
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.DELETE)
+                                      
.setTable(getOmMetadataManager().getDirectoryTable().getName())
+                                      .build();
 
       // rename dir1
       String omDirUpdateKey = BUCKET_ONE_OBJECT_ID + OM_KEY_PREFIX + DIR_ONE;
@@ -333,14 +326,14 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
           DIR_ONE_OBJECT_ID, BUCKET_ONE_OBJECT_ID);
       OmDirectoryInfo omDirUpdateValue = buildOmDirInfo(DIR_ONE_RENAME,
           DIR_ONE_OBJECT_ID, BUCKET_ONE_OBJECT_ID);
-      keyEvent7 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmDirectoryInfo>()
-          .setKey(omDirUpdateKey)
-          .setValue(omDirUpdateValue)
-          .setOldValue(omDirOldValue)
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.UPDATE)
-          .setTable(getOmMetadataManager().getDirectoryTable().getName())
-          .build();
+      OMDBUpdateEvent keyEvent7 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmDirectoryInfo>()
+                                      .setKey(omDirUpdateKey)
+                                      .setValue(omDirUpdateValue)
+                                      .setOldValue(omDirOldValue)
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.UPDATE)
+                                      
.setTable(getOmMetadataManager().getDirectoryTable().getName())
+                                      .build();
 
       return new OMUpdateEventBatch(Arrays.asList(
           keyEvent1, keyEvent2, keyEvent3, keyEvent4, keyEvent5,
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTaskWithLegacy.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTaskWithLegacy.java
index 623fdc1e53f..fc2425cdc4d 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTaskWithLegacy.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTaskWithLegacy.java
@@ -183,14 +183,6 @@ public class TestProcess {
     private NSSummary nsSummaryForBucket1;
     private NSSummary nsSummaryForBucket2;
 
-    private OMDBUpdateEvent keyEvent1;
-    private OMDBUpdateEvent keyEvent2;
-    private OMDBUpdateEvent keyEvent3;
-    private OMDBUpdateEvent keyEvent4;
-    private OMDBUpdateEvent keyEvent5;
-    private OMDBUpdateEvent keyEvent6;
-    private OMDBUpdateEvent keyEvent7;
-
     @BeforeEach
     public void setUp() throws IOException {
       nSSummaryTaskWithLegacy.reprocessWithLegacy(getReconOMMetadataManager());
@@ -212,14 +204,14 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
               OM_KEY_PREFIX + FILE_FIVE;
       OmKeyInfo omPutKeyInfo = buildOmKeyInfo(VOL, BUCKET_TWO, KEY_FIVE,
           FILE_FIVE, KEY_FIVE_OBJECT_ID, BUCKET_TWO_OBJECT_ID, KEY_FIVE_SIZE);
-      keyEvent1 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omPutKey)
-          .setValue(omPutKeyInfo)
-          .setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
-              .getName())
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
-          .build();
+      OMDBUpdateEvent keyEvent1 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omPutKey)
+                                      .setValue(omPutKeyInfo)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
+                                                    .getName())
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
+                                      .build();
 
       // delete file 1 under bucket 1
       String omDeleteKey =
@@ -229,14 +221,14 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
       OmKeyInfo omDeleteInfo = buildOmKeyInfo(
           VOL, BUCKET_ONE, KEY_ONE,
           FILE_ONE, KEY_ONE_OBJECT_ID, BUCKET_ONE_OBJECT_ID);
-      keyEvent2 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omDeleteKey)
-          .setValue(omDeleteInfo)
-          .setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
-              .getName())
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.DELETE)
-          .build();
+      OMDBUpdateEvent keyEvent2 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omDeleteKey)
+                                      .setValue(omDeleteInfo)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
+                                                    .getName())
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.DELETE)
+                                      .build();
 
       // update file 2's size under bucket 2
       String omUpdateKey =
@@ -249,15 +241,15 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
       OmKeyInfo omUpdateInfo = buildOmKeyInfo(
           VOL, BUCKET_TWO, KEY_TWO, FILE_TWO,
           KEY_TWO_OBJECT_ID, BUCKET_TWO_OBJECT_ID, KEY_TWO_UPDATE_SIZE);
-      keyEvent3 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omUpdateKey)
-          .setValue(omUpdateInfo)
-          .setOldValue(omOldInfo)
-          .setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
-              .getName())
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.UPDATE)
-          .build();
+      OMDBUpdateEvent keyEvent3 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omUpdateKey)
+                                      .setValue(omUpdateInfo)
+                                      .setOldValue(omOldInfo)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
+                                                    .getName())
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.UPDATE)
+                                      .build();
 
       // add dir 4 under bucket 1
       String omDirPutKey1 =
@@ -267,13 +259,13 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
       OmKeyInfo omDirPutValue1 = buildOmDirKeyInfo(VOL, BUCKET_ONE,
           (DIR_FOUR + OM_KEY_PREFIX), DIR_FOUR,
           DIR_FOUR_OBJECT_ID);
-      keyEvent4 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omDirPutKey1)
-          .setValue(omDirPutValue1)
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
-          
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout()).getName())
-          .build();
+      OMDBUpdateEvent keyEvent4 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omDirPutKey1)
+                                      .setValue(omDirPutValue1)
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout()).getName())
+                                      .build();
 
       // add dir 5 under bucket 2
       String omDirPutKey2 =
@@ -283,13 +275,13 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
       OmKeyInfo omDirPutValue2 = buildOmDirKeyInfo(VOL, BUCKET_TWO,
           (DIR_FIVE + OM_KEY_PREFIX), DIR_FIVE,
           DIR_FIVE_OBJECT_ID);
-      keyEvent5 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omDirPutKey2)
-          .setValue(omDirPutValue2)
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
-          
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout()).getName())
-          .build();
+      OMDBUpdateEvent keyEvent5 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omDirPutKey2)
+                                      .setValue(omDirPutValue2)
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout()).getName())
+                                      .build();
 
       // delete dir 3 under dir 1
       String omDirDeleteKey =
@@ -300,13 +292,13 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
       OmKeyInfo omDirDeleteValue = buildOmKeyInfo(VOL, BUCKET_ONE,
           (DIR_ONE + OM_KEY_PREFIX + DIR_THREE + OM_KEY_PREFIX),
           DIR_THREE, DIR_THREE_OBJECT_ID, DIR_ONE_OBJECT_ID);
-      keyEvent6 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omDirDeleteKey)
-          .setValue(omDirDeleteValue)
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.DELETE)
-          
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout()).getName())
-          .build();
+      OMDBUpdateEvent keyEvent6 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omDirDeleteKey)
+                                      .setValue(omDirDeleteValue)
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.DELETE)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout()).getName())
+                                      .build();
 
       // rename dir1
       String omDirUpdateKey =
@@ -319,14 +311,14 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
       OmKeyInfo omDirUpdateValue = buildOmDirKeyInfo(VOL, BUCKET_ONE,
           (DIR_ONE_RENAME + OM_KEY_PREFIX), DIR_ONE_RENAME,
           DIR_ONE_OBJECT_ID);
-      keyEvent7 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omDirUpdateKey)
-          .setValue(omDirUpdateValue)
-          .setOldValue(omDirOldValue)
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.UPDATE)
-          
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout()).getName())
-          .build();
+      OMDBUpdateEvent keyEvent7 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omDirUpdateKey)
+                                      .setValue(omDirUpdateValue)
+                                      .setOldValue(omDirOldValue)
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.UPDATE)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout()).getName())
+                                      .build();
 
       return new OMUpdateEventBatch(Arrays.asList(
           keyEvent1, keyEvent2, keyEvent3, keyEvent4, keyEvent5,
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTaskWithLegacyOBSLayout.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTaskWithLegacyOBSLayout.java
index 8dd2a6583d1..795e5d1da33 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTaskWithLegacyOBSLayout.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTaskWithLegacyOBSLayout.java
@@ -139,11 +139,6 @@ public class TestProcess {
     private NSSummary nsSummaryForBucket1;
     private NSSummary nsSummaryForBucket2;
 
-    private OMDBUpdateEvent keyEvent1;
-    private OMDBUpdateEvent keyEvent2;
-    private OMDBUpdateEvent keyEvent3;
-    private OMDBUpdateEvent keyEvent4;
-
     @BeforeEach
     public void setUp() throws IOException {
       // reinit Recon RocksDB's namespace CF.
@@ -168,14 +163,14 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
               OM_KEY_PREFIX + KEY_SIX;
       OmKeyInfo omPutKeyInfo = buildOmKeyInfo(VOL, BUCKET_TWO, KEY_SIX,
           KEY_SIX, KEY_SIX_OBJECT_ID, BUCKET_TWO_OBJECT_ID, KEY_SIX_SIZE);
-      keyEvent1 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omPutKey)
-          .setValue(omPutKeyInfo)
-          .setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
-              .getName())
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
-          .build();
+      OMDBUpdateEvent keyEvent1 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omPutKey)
+                                      .setValue(omPutKeyInfo)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
+                                                    .getName())
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
+                                      .build();
       // PUT Key7 in Bucket1.
       omPutKey =
           OM_KEY_PREFIX + VOL
@@ -183,14 +178,14 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
               OM_KEY_PREFIX + KEY_SEVEN;
       omPutKeyInfo = buildOmKeyInfo(VOL, BUCKET_ONE, KEY_SEVEN,
           KEY_SEVEN, KEY_SEVEN_OBJECT_ID, BUCKET_ONE_OBJECT_ID, 
KEY_SEVEN_SIZE);
-      keyEvent2 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omPutKey)
-          .setValue(omPutKeyInfo)
-          .setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
-              .getName())
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
-          .build();
+      OMDBUpdateEvent keyEvent2 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omPutKey)
+                                      .setValue(omPutKeyInfo)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
+                                                    .getName())
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
+                                      .build();
 
       // Test DELETE Event.
       // Delete Key1 in Bucket1.
@@ -200,14 +195,14 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
               OM_KEY_PREFIX + KEY_ONE;
       OmKeyInfo omDeleteKeyInfo = buildOmKeyInfo(VOL, BUCKET_ONE, KEY_ONE,
           KEY_ONE, KEY_ONE_OBJECT_ID, BUCKET_ONE_OBJECT_ID, KEY_ONE_SIZE);
-      keyEvent3 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omDeleteKey)
-          .setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
-              .getName())
-          .setValue(omDeleteKeyInfo)
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.DELETE)
-          .build();
+      OMDBUpdateEvent keyEvent3 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omDeleteKey)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
+                                                    .getName())
+                                      .setValue(omDeleteKeyInfo)
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.DELETE)
+                                      .build();
 
       // Test UPDATE Event.
       // Resize Key2 in Bucket1.
@@ -221,15 +216,15 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
       OmKeyInfo newOmResizeKeyInfo =
           buildOmKeyInfo(VOL, BUCKET_ONE, KEY_TWO, KEY_TWO, KEY_TWO_OBJECT_ID,
               BUCKET_ONE_OBJECT_ID, KEY_TWO_OLD_SIZE + 100);
-      keyEvent4 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omResizeKey)
-          .setOldValue(oldOmResizeKeyInfo)
-          .setValue(newOmResizeKeyInfo)
-          .setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
-              .getName())
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.UPDATE)
-          .build();
+      OMDBUpdateEvent keyEvent4 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omResizeKey)
+                                      .setOldValue(oldOmResizeKeyInfo)
+                                      .setValue(newOmResizeKeyInfo)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
+                                                    .getName())
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.UPDATE)
+                                      .build();
 
       return new OMUpdateEventBatch(
           Arrays.asList(keyEvent1, keyEvent2, keyEvent3, keyEvent4), 0L);
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTaskWithOBS.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTaskWithOBS.java
index d748e9c05f7..8d44633ba7f 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTaskWithOBS.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestNSSummaryTaskWithOBS.java
@@ -139,11 +139,6 @@ public class TestProcess {
     private NSSummary nsSummaryForBucket1;
     private NSSummary nsSummaryForBucket2;
 
-    private OMDBUpdateEvent keyEvent1;
-    private OMDBUpdateEvent keyEvent2;
-    private OMDBUpdateEvent keyEvent3;
-    private OMDBUpdateEvent keyEvent4;
-
     @BeforeEach
     public void setUp() throws IOException {
       // reinit Recon RocksDB's namespace CF.
@@ -168,14 +163,14 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
               OM_KEY_PREFIX + KEY_SIX;
       OmKeyInfo omPutKeyInfo = buildOmKeyInfo(VOL, BUCKET_TWO, KEY_SIX,
           KEY_SIX, KEY_SIX_OBJECT_ID, BUCKET_TWO_OBJECT_ID, KEY_SIX_SIZE);
-      keyEvent1 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omPutKey)
-          .setValue(omPutKeyInfo)
-          .setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
-              .getName())
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
-          .build();
+      OMDBUpdateEvent keyEvent1 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omPutKey)
+                                      .setValue(omPutKeyInfo)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
+                                                    .getName())
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
+                                      .build();
       // PUT Key7 in Bucket1.
       omPutKey =
           OM_KEY_PREFIX + VOL
@@ -183,14 +178,14 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
               OM_KEY_PREFIX + KEY_SEVEN;
       omPutKeyInfo = buildOmKeyInfo(VOL, BUCKET_ONE, KEY_SEVEN,
           KEY_SEVEN, KEY_SEVEN_OBJECT_ID, BUCKET_ONE_OBJECT_ID, 
KEY_SEVEN_SIZE);
-      keyEvent2 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omPutKey)
-          .setValue(omPutKeyInfo)
-          .setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
-              .getName())
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
-          .build();
+      OMDBUpdateEvent keyEvent2 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omPutKey)
+                                      .setValue(omPutKeyInfo)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
+                                                    .getName())
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.PUT)
+                                      .build();
 
       // Test DELETE Event.
       // Delete Key1 in Bucket1.
@@ -200,14 +195,14 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
               OM_KEY_PREFIX + KEY_ONE;
       OmKeyInfo omDeleteKeyInfo = buildOmKeyInfo(VOL, BUCKET_ONE, KEY_ONE,
           KEY_ONE, KEY_ONE_OBJECT_ID, BUCKET_ONE_OBJECT_ID, KEY_ONE_SIZE);
-      keyEvent3 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omDeleteKey)
-          .setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
-              .getName())
-          .setValue(omDeleteKeyInfo)
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.DELETE)
-          .build();
+      OMDBUpdateEvent keyEvent3 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omDeleteKey)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
+                                                    .getName())
+                                      .setValue(omDeleteKeyInfo)
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.DELETE)
+                                      .build();
 
       // Test UPDATE Event.
       // Resize Key2 in Bucket1.
@@ -221,15 +216,15 @@ private OMUpdateEventBatch processEventBatch() throws 
IOException {
       OmKeyInfo newOmResizeKeyInfo =
           buildOmKeyInfo(VOL, BUCKET_ONE, KEY_TWO, KEY_TWO, KEY_TWO_OBJECT_ID,
               BUCKET_ONE_OBJECT_ID, KEY_TWO_OLD_SIZE + 100);
-      keyEvent4 = new OMDBUpdateEvent.
-          OMUpdateEventBuilder<String, OmKeyInfo>()
-          .setKey(omResizeKey)
-          .setOldValue(oldOmResizeKeyInfo)
-          .setValue(newOmResizeKeyInfo)
-          .setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
-              .getName())
-          .setAction(OMDBUpdateEvent.OMDBUpdateAction.UPDATE)
-          .build();
+      OMDBUpdateEvent keyEvent4 = new OMDBUpdateEvent.
+                                          OMUpdateEventBuilder<String, 
OmKeyInfo>()
+                                      .setKey(omResizeKey)
+                                      .setOldValue(oldOmResizeKeyInfo)
+                                      .setValue(newOmResizeKeyInfo)
+                                      
.setTable(getOmMetadataManager().getKeyTable(getBucketLayout())
+                                                    .getName())
+                                      
.setAction(OMDBUpdateEvent.OMDBUpdateAction.UPDATE)
+                                      .build();
 
       return new OMUpdateEventBatch(
           Arrays.asList(keyEvent1, keyEvent2, keyEvent3, keyEvent4), 0L);
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestOmTableInsightTask.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestOmTableInsightTask.java
index 40dd0c972e6..95ff9915929 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestOmTableInsightTask.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/tasks/TestOmTableInsightTask.java
@@ -86,7 +86,6 @@ public class TestOmTableInsightTask extends 
AbstractReconSqlDBTest {
   private boolean isSetupDone = false;
   private static ReconOMMetadataManager reconOMMetadataManager;
   private static NSSummaryTaskWithFSO nSSummaryTaskWithFso;
-  private static ReconNamespaceSummaryManagerImpl reconNamespaceSummaryManager;
 
   // Object names in FSO-enabled format
   private static final String VOL = "volume1";
@@ -139,7 +138,7 @@ private void initializeInjector() throws IOException {
             .withReconOm(reconOMMetadataManager)
             .withContainerDB()
             .build();
-    reconNamespaceSummaryManager = reconTestInjector.getInstance(
+    ReconNamespaceSummaryManagerImpl reconNamespaceSummaryManager = 
reconTestInjector.getInstance(
         ReconNamespaceSummaryManagerImpl.class);
 
     omTableInsightTask = new OmTableInsightTask(
diff --git 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/upgrade/TestReconLayoutVersionManager.java
 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/upgrade/TestReconLayoutVersionManager.java
index 101ba3f4f6a..50507acca76 100644
--- 
a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/upgrade/TestReconLayoutVersionManager.java
+++ 
b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/upgrade/TestReconLayoutVersionManager.java
@@ -55,7 +55,6 @@ public class TestReconLayoutVersionManager {
   private ReconLayoutVersionManager layoutVersionManager;
   private MockedStatic<ReconLayoutFeature> mockedEnum;
   private MockedStatic<ReconUpgradeAction.UpgradeActionType> 
mockedEnumUpgradeActionType;
-  private ReconStorageContainerManagerFacade scmFacadeMock;
   private DataSource mockDataSource;
   private Connection mockConnection;
 
@@ -81,7 +80,7 @@ public void setUp() throws SQLException {
         .thenReturn(Optional.of(action2));
 
     // Common mocks for all tests
-    scmFacadeMock = mock(ReconStorageContainerManagerFacade.class);
+    ReconStorageContainerManagerFacade scmFacadeMock = 
mock(ReconStorageContainerManagerFacade.class);
     mockDataSource = mock(DataSource.class);
     mockConnection = mock(Connection.class);
 


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