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The following commit(s) were added to refs/heads/master by this push:
     new ea808b3d07b HDDS-13903. Remove all MiniDFSCluster comments in tests 
(#9274)
ea808b3d07b is described below

commit ea808b3d07b4095ccc946b15a6359c8d9e1f8fd5
Author: ChenChen Lai <[email protected]>
AuthorDate: Tue Nov 11 00:03:38 2025 +0800

    HDDS-13903. Remove all MiniDFSCluster comments in tests (#9274)
---
 .../java/org/apache/hadoop/hdds/scm/TestCommitInRatis.java   | 11 -----------
 .../org/apache/hadoop/hdds/scm/TestFailoverWithSCMHA.java    |  8 --------
 .../apache/hadoop/hdds/scm/TestSCMDbCheckpointServlet.java   | 10 ----------
 .../apache/hadoop/hdds/scm/TestSCMInstallSnapshotWithHA.java |  8 --------
 .../java/org/apache/hadoop/hdds/scm/TestWatchForCommit.java  | 12 ------------
 .../apache/hadoop/hdds/scm/pipeline/TestMultiRaftSetup.java  |  3 ---
 .../org/apache/hadoop/hdds/scm/pipeline/TestNodeFailure.java |  9 ---------
 .../apache/hadoop/hdds/scm/pipeline/TestPipelineClose.java   |  8 --------
 .../org/apache/hadoop/hdds/scm/pipeline/TestSCMRestart.java  |  8 --------
 .../apache/hadoop/hdds/scm/storage/TestCommitWatcher.java    | 10 ----------
 .../java/org/apache/hadoop/hdds/upgrade/TestHDDSUpgrade.java |  8 --------
 .../apache/hadoop/ozone/client/rpc/OzoneRpcClientTests.java  |  4 ----
 .../java/org/apache/hadoop/ozone/client/rpc/TestBCSID.java   |  9 ---------
 .../ozone/client/rpc/TestContainerReplicationEndToEnd.java   |  9 ---------
 .../hadoop/ozone/client/rpc/TestContainerStateMachine.java   |  8 --------
 .../ozone/client/rpc/TestContainerStateMachineFailures.java  |  8 --------
 .../client/rpc/TestContainerStateMachineFlushDelay.java      |  9 ---------
 .../hadoop/ozone/client/rpc/TestDeleteWithInAdequateDN.java  |  9 ---------
 .../hadoop/ozone/client/rpc/TestECKeyOutputStream.java       |  6 ------
 .../hadoop/ozone/client/rpc/TestFailureHandlingByClient.java | 11 -----------
 .../client/rpc/TestFailureHandlingByClientFlushDelay.java    | 11 -----------
 .../ozone/client/rpc/TestHybridPipelineOnDatanode.java       | 10 ----------
 .../ozone/client/rpc/TestMultiBlockWritesWithDnFailures.java | 11 -----------
 .../rpc/TestOzoneClientRetriesOnExceptionFlushDelay.java     | 11 -----------
 .../ozone/client/rpc/TestOzoneClientRetriesOnExceptions.java | 10 ----------
 .../ozone/client/rpc/TestOzoneRpcClientForAclAuditLog.java   | 12 ------------
 .../hadoop/ozone/client/rpc/TestValidateBCSIDOnRestart.java  |  9 ---------
 .../hadoop/ozone/container/TestECContainerRecovery.java      |  6 ------
 .../commandhandler/TestCloseContainerByPipeline.java         | 10 ----------
 .../ozone/freon/TestDataValidateWithSafeByteOperations.java  |  9 ---------
 .../freon/TestDataValidateWithUnsafeByteOperations.java      |  9 ---------
 .../hadoop/ozone/freon/TestFreonWithDatanodeFastRestart.java |  9 ---------
 .../hadoop/ozone/freon/TestFreonWithPipelineDestroy.java     |  9 ---------
 .../org/apache/hadoop/ozone/freon/TestOMSnapshotDAG.java     |  8 --------
 .../org/apache/hadoop/ozone/om/TestOMRatisSnapshots.java     | 10 ----------
 .../src/test/java/org/apache/hadoop/ozone/om/TestOmAcls.java |  5 -----
 .../src/test/java/org/apache/hadoop/ozone/om/TestOmInit.java | 10 ----------
 .../test/java/org/apache/hadoop/ozone/om/TestOmMetrics.java  |  6 ------
 .../java/org/apache/hadoop/ozone/om/TestOzoneManagerHA.java  | 10 ----------
 .../org/apache/hadoop/ozone/om/TestOzoneManagerRestart.java  | 11 -----------
 .../hadoop/ozone/om/TestOzoneManagerRocksDBLogging.java      |  3 ---
 .../java/org/apache/hadoop/ozone/om/TestScmSafeMode.java     | 11 -----------
 .../org/apache/hadoop/ozone/om/snapshot/TestOmSnapshot.java  |  3 ---
 .../ozone/om/snapshot/TestOzoneManagerSnapshotProvider.java  |  6 ------
 .../ozone/om/snapshot/TestSnapshotBackgroundServices.java    |  8 --------
 .../java/org/apache/hadoop/ozone/shell/TestOzoneShellHA.java |  6 ------
 .../apache/hadoop/ozone/shell/TestOzoneShellHAWithFSO.java   |  4 ----
 .../org/apache/hadoop/ozone/shell/TestOzoneTenantShell.java  |  6 ------
 .../hadoop/ozone/shell/TestTransferLeadershipShell.java      |  9 ---------
 49 files changed, 410 deletions(-)

diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestCommitInRatis.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestCommitInRatis.java
index 8e1ee32980a..c4bef01cd83 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestCommitInRatis.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestCommitInRatis.java
@@ -21,7 +21,6 @@
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
-import java.io.IOException;
 import java.time.Duration;
 import java.util.concurrent.TimeUnit;
 import org.apache.hadoop.hdds.conf.DatanodeRatisServerConfig;
@@ -62,13 +61,6 @@ public class TestCommitInRatis {
   private StorageContainerLocationProtocolClientSideTranslatorPB
       storageContainerLocationClient;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   * @throws IOException
-   */
   private void startCluster(OzoneConfiguration conf) throws Exception {
     // Make sure the pipeline does not get destroyed quickly
     conf.setTimeDuration(OZONE_SCM_STALENODE_INTERVAL, 60000,
@@ -106,9 +98,6 @@ private void startCluster(OzoneConfiguration conf) throws 
Exception {
         .getStorageContainerLocationClient();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   private void shutdown() {
     IOUtils.closeQuietly(client);
     if (cluster != null) {
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestFailoverWithSCMHA.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestFailoverWithSCMHA.java
index cb9baa6855c..a4318a2cc69 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestFailoverWithSCMHA.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestFailoverWithSCMHA.java
@@ -66,11 +66,6 @@ public class TestFailoverWithSCMHA {
 
   private static final long SNAPSHOT_THRESHOLD = 5;
 
-  /**
-   * Create a MiniOzoneCluster for testing.
-   *
-   * @throws IOException
-   */
   @BeforeEach
   public void init() throws Exception {
     conf = new OzoneConfiguration();
@@ -85,9 +80,6 @@ public void init() throws Exception {
     cluster.waitForClusterToBeReady();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterEach
   public void shutdown() {
     if (cluster != null) {
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestSCMDbCheckpointServlet.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestSCMDbCheckpointServlet.java
index 4639b3cd697..3715d4ede36 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestSCMDbCheckpointServlet.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestSCMDbCheckpointServlet.java
@@ -79,13 +79,6 @@ public class TestSCMDbCheckpointServlet {
   private String method;
   private SCMDBCheckpointServlet scmDbCheckpointServletMock;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   * @throws Exception
-   */
   @BeforeEach
   public void init() throws Exception {
     OzoneConfiguration conf = new OzoneConfiguration();
@@ -129,9 +122,6 @@ public void init() throws Exception {
         .thenReturn(cluster.getStorageContainerManager());
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterEach
   public void shutdown() {
     if (cluster != null) {
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestSCMInstallSnapshotWithHA.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestSCMInstallSnapshotWithHA.java
index b1a9ac4afc5..4412c23402b 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestSCMInstallSnapshotWithHA.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestSCMInstallSnapshotWithHA.java
@@ -77,11 +77,6 @@ public class TestSCMInstallSnapshotWithHA {
   private static final long SNAPSHOT_THRESHOLD = 5;
   private static final int LOG_PURGE_GAP = 5;
 
-  /**
-   * Create a MiniOzoneCluster for testing.
-   *
-   * @throws IOException
-   */
   @BeforeEach
   public void init() throws Exception {
     conf = new OzoneConfiguration();
@@ -101,9 +96,6 @@ public void init() throws Exception {
     cluster.waitForClusterToBeReady();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterEach
   public void shutdown() {
     if (cluster != null) {
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestWatchForCommit.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestWatchForCommit.java
index 79bdfc2f704..7380366e1de 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestWatchForCommit.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/TestWatchForCommit.java
@@ -25,7 +25,6 @@
 import static org.junit.jupiter.api.Assertions.assertInstanceOf;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
-import java.io.IOException;
 import java.io.OutputStream;
 import java.time.Duration;
 import java.util.ArrayList;
@@ -92,13 +91,6 @@ public class TestWatchForCommit {
   private StorageContainerLocationProtocolClientSideTranslatorPB
       storageContainerLocationClient;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   * @throws IOException
-   */
   @BeforeEach
   public void init() throws Exception {
     conf = new OzoneConfiguration();
@@ -157,10 +149,6 @@ public void init() throws Exception {
         .getStorageContainerLocationClient();
   }
 
-
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterEach
   public void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestMultiRaftSetup.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestMultiRaftSetup.java
index f743ff82a24..f780ec184d2 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestMultiRaftSetup.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestMultiRaftSetup.java
@@ -67,9 +67,6 @@ public void init(int dnCount, OzoneConfiguration conf) throws 
Exception {
     pipelineManager = scm.getPipelineManager();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   public void shutdown() {
     if (cluster != null) {
       cluster.shutdown();
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestNodeFailure.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestNodeFailure.java
index a4c777a15d2..f23a0bddc87 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestNodeFailure.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestNodeFailure.java
@@ -21,7 +21,6 @@
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.jupiter.api.Assertions.fail;
 
-import java.io.IOException;
 import java.time.Duration;
 import java.util.List;
 import org.apache.commons.lang3.StringUtils;
@@ -51,11 +50,6 @@ public class TestNodeFailure {
 
   private static final String FLOOD_TOKEN = "pipeline Action CLOSE";
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   *
-   * @throws IOException
-   */
   @BeforeAll
   public static void init() throws Exception {
     final OzoneConfiguration conf = new OzoneConfiguration();
@@ -84,9 +78,6 @@ public static void init() throws Exception {
         .getFollowerSlownessTimeout();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public static void shutdown() {
     if (cluster != null) {
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestPipelineClose.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestPipelineClose.java
index 1e6aa4e04bc..71666a48c23 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestPipelineClose.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestPipelineClose.java
@@ -85,11 +85,6 @@ public class TestPipelineClose {
   private ContainerManager containerManager;
   private PipelineManager pipelineManager;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   *
-   * @throws IOException
-   */
   @BeforeAll
   public void init() throws Exception {
     OzoneConfiguration conf = new OzoneConfiguration();
@@ -120,9 +115,6 @@ void createContainer() throws IOException {
     // the other with an open container.
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public void shutdown() {
     if (cluster != null) {
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestSCMRestart.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestSCMRestart.java
index bbfd1aee8fe..431e8857490 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestSCMRestart.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestSCMRestart.java
@@ -48,11 +48,6 @@ public class TestSCMRestart {
   private static ContainerManager newContainerManager;
   private static PipelineManager pipelineManager;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   *
-   * @throws IOException
-   */
   @BeforeAll
   public static void init() throws Exception {
     final int numOfNodes = 4;
@@ -90,9 +85,6 @@ public static void init() throws Exception {
     pipelineManager = 
cluster.getStorageContainerManager().getPipelineManager();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public static void shutdown() {
     if (cluster != null) {
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/storage/TestCommitWatcher.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/storage/TestCommitWatcher.java
index af2fe2a5d07..a9539a8a96b 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/storage/TestCommitWatcher.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/storage/TestCommitWatcher.java
@@ -85,13 +85,6 @@ public class TestCommitWatcher {
   private StorageContainerLocationProtocolClientSideTranslatorPB
       storageContainerLocationClient;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   * @throws IOException
-   */
   @BeforeEach
   public void init() throws Exception {
     // Make sure the pipeline does not get destroyed quickly
@@ -144,9 +137,6 @@ public void init() throws Exception {
         .getStorageContainerLocationClient();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterEach
   public void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/upgrade/TestHDDSUpgrade.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/upgrade/TestHDDSUpgrade.java
index 15e101fe3bc..4b612729583 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/upgrade/TestHDDSUpgrade.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/upgrade/TestHDDSUpgrade.java
@@ -130,11 +130,6 @@ public class TestHDDSUpgrade {
 
   private static MiniOzoneClusterProvider clusterProvider;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   *
-   * @throws IOException
-   */
   @BeforeEach
   public void setUp() throws Exception {
     init();
@@ -188,9 +183,6 @@ public void init() throws Exception {
     loadSCMState();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   public void shutdown() throws IOException, InterruptedException {
     if (cluster != null) {
       clusterProvider.destroy(cluster);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/OzoneRpcClientTests.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/OzoneRpcClientTests.java
index 9ccc73b27af..34a5f4b7459 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/OzoneRpcClientTests.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/OzoneRpcClientTests.java
@@ -251,10 +251,6 @@ public static void initialize() throws 
NoSuchAlgorithmException, UnsupportedEnco
     output = GenericTestUtils.captureOut();
   }
 
-  /**
-   * Create a MiniOzoneCluster for testing.
-   * @param conf Configurations to start the cluster.
-   */
   static void startCluster(OzoneConfiguration conf) throws Exception {
     startCluster(conf, MiniOzoneCluster.newBuilder(conf));
   }
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestBCSID.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestBCSID.java
index 19a2752f85c..fbecc89f3ad 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestBCSID.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestBCSID.java
@@ -26,7 +26,6 @@
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
-import java.io.IOException;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
 import org.apache.hadoop.hdds.client.RatisReplicationConfig;
@@ -59,11 +58,6 @@ public class TestBCSID {
   private static String volumeName;
   private static String bucketName;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   *
-   * @throws IOException
-   */
   @BeforeAll
   public static void init() throws Exception {
 
@@ -88,9 +82,6 @@ public static void init() throws Exception {
     objectStore.getVolume(volumeName).createBucket(bucketName);
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public static void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerReplicationEndToEnd.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerReplicationEndToEnd.java
index ab410c2e40c..5b89503788d 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerReplicationEndToEnd.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerReplicationEndToEnd.java
@@ -28,7 +28,6 @@
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertSame;
 
-import java.io.IOException;
 import java.time.Duration;
 import java.util.HashMap;
 import java.util.List;
@@ -79,11 +78,6 @@ public class TestContainerReplicationEndToEnd {
   private static XceiverClientManager xceiverClientManager;
   private static long containerReportInterval;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   *
-   * @throws IOException
-   */
   @BeforeAll
   public static void init() throws Exception {
     OzoneConfiguration conf = new OzoneConfiguration();
@@ -127,9 +121,6 @@ public static void init() throws Exception {
     objectStore.getVolume(volumeName).createBucket(bucketName);
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public static void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerStateMachine.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerStateMachine.java
index 2ff00d2df6f..0d269a86b2b 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerStateMachine.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerStateMachine.java
@@ -75,11 +75,6 @@ public class TestContainerStateMachine {
   private String volumeName;
   private String bucketName;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   *
-   * @throws IOException
-   */
   @BeforeEach
   public void setup() throws Exception {
 
@@ -122,9 +117,6 @@ public void setup() throws Exception {
     objectStore.getVolume(volumeName).createBucket(bucketName);
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterEach
   public void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerStateMachineFailures.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerStateMachineFailures.java
index a788b3aa9bc..c5ff85010bd 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerStateMachineFailures.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerStateMachineFailures.java
@@ -123,11 +123,6 @@ public class TestContainerStateMachineFailures {
   private static String bucketName;
   private static XceiverClientManager xceiverClientManager;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   *
-   * @throws IOException
-   */
   @BeforeAll
   public static void init() throws Exception {
     OzoneConfiguration conf = new OzoneConfiguration();
@@ -183,9 +178,6 @@ public static void init() throws Exception {
     objectStore.getVolume(volumeName).createBucket(bucketName);
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public static void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerStateMachineFlushDelay.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerStateMachineFlushDelay.java
index ea1aeee9031..feb9964b084 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerStateMachineFlushDelay.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestContainerStateMachineFlushDelay.java
@@ -27,7 +27,6 @@
 import static org.junit.jupiter.api.Assertions.assertSame;
 
 import java.io.File;
-import java.io.IOException;
 import java.util.HashMap;
 import java.util.List;
 import java.util.UUID;
@@ -75,11 +74,6 @@ public class TestContainerStateMachineFlushDelay {
   private String bucketName;
   private String keyString;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   *
-   * @throws IOException
-   */
   @BeforeEach
   public void setup() throws Exception {
     keyString = UUID.randomUUID().toString();
@@ -123,9 +117,6 @@ public void setup() throws Exception {
     objectStore.getVolume(volumeName).createBucket(bucketName);
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterEach
   public void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestDeleteWithInAdequateDN.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestDeleteWithInAdequateDN.java
index 6d38fdc6c7b..1b17c8e76f3 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestDeleteWithInAdequateDN.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestDeleteWithInAdequateDN.java
@@ -31,7 +31,6 @@
 import static org.junit.jupiter.api.Assertions.assertSame;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
-import java.io.IOException;
 import java.time.Duration;
 import java.util.HashMap;
 import java.util.List;
@@ -91,11 +90,6 @@ public class TestDeleteWithInAdequateDN {
   private static XceiverClientManager xceiverClientManager;
   private static final int FACTOR_THREE_PIPELINE_COUNT = 1;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   *
-   * @throws IOException
-   */
   @BeforeAll
   public static void init() throws Exception {
     final int numOfDatanodes = 3;
@@ -169,9 +163,6 @@ public static void init() throws Exception {
     objectStore.getVolume(volumeName).createBucket(bucketName);
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public static void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestECKeyOutputStream.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestECKeyOutputStream.java
index ad8d074ca50..7de941db569 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestECKeyOutputStream.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestECKeyOutputStream.java
@@ -144,9 +144,6 @@ private static void initConf(OzoneConfiguration 
configuration) {
         .applyTo(configuration);
   }
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   */
   @BeforeAll
   protected static void init() throws Exception {
     chunkSize = 1024 * 1024;
@@ -168,9 +165,6 @@ protected static void init() throws Exception {
     initInputChunks();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public static void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestFailureHandlingByClient.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestFailureHandlingByClient.java
index 4607c813a66..c262b8267f1 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestFailureHandlingByClient.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestFailureHandlingByClient.java
@@ -26,7 +26,6 @@
 import static org.junit.jupiter.api.Assertions.assertInstanceOf;
 import static org.junit.jupiter.api.Assertions.assertNotEquals;
 
-import java.io.IOException;
 import java.time.Duration;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -95,13 +94,6 @@ public class TestFailureHandlingByClient {
   private String keyString;
   private final List<DatanodeDetails> restartDataNodes = new ArrayList<>();
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   * @throws IOException
-   */
   @BeforeAll
   public void init() throws Exception {
     conf = new OzoneConfiguration();
@@ -169,9 +161,6 @@ public void restartDownDataNodes() throws Exception {
     cluster.waitForClusterToBeReady();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestFailureHandlingByClientFlushDelay.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestFailureHandlingByClientFlushDelay.java
index 2f83af53c89..a4d79e99f06 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestFailureHandlingByClientFlushDelay.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestFailureHandlingByClientFlushDelay.java
@@ -25,7 +25,6 @@
 import static org.junit.jupiter.api.Assertions.assertInstanceOf;
 import static org.junit.jupiter.api.Assertions.assertNotEquals;
 
-import java.io.IOException;
 import java.time.Duration;
 import java.util.Collections;
 import java.util.List;
@@ -81,13 +80,6 @@ public class TestFailureHandlingByClientFlushDelay {
   private String bucketName;
   private String keyString;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   * @throws IOException
-   */
   private void init() throws Exception {
     OzoneConfiguration conf = new OzoneConfiguration();
     conf.setTimeDuration(OZONE_SCM_STALENODE_INTERVAL, 100, TimeUnit.SECONDS);
@@ -149,9 +141,6 @@ private void startCluster() throws Exception {
     init();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterEach
   public void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestHybridPipelineOnDatanode.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestHybridPipelineOnDatanode.java
index 7628819e7e0..55ec9cec76d 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestHybridPipelineOnDatanode.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestHybridPipelineOnDatanode.java
@@ -59,13 +59,6 @@ public class TestHybridPipelineOnDatanode {
   private static OzoneClient client;
   private static ObjectStore objectStore;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   * @throws IOException
-   */
   @BeforeAll
   public static void init() throws Exception {
     OzoneConfiguration conf = new OzoneConfiguration();
@@ -78,9 +71,6 @@ public static void init() throws Exception {
     objectStore = client.getObjectStore();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public static void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestMultiBlockWritesWithDnFailures.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestMultiBlockWritesWithDnFailures.java
index fba29d210fe..eb9958be414 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestMultiBlockWritesWithDnFailures.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestMultiBlockWritesWithDnFailures.java
@@ -23,7 +23,6 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertInstanceOf;
 
-import java.io.IOException;
 import java.time.Duration;
 import java.util.List;
 import java.util.UUID;
@@ -70,13 +69,6 @@ public class TestMultiBlockWritesWithDnFailures {
   private String bucketName;
   private String keyString;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   * @throws IOException
-   */
   private void startCluster(int datanodes) throws Exception {
     OzoneConfiguration conf = new OzoneConfiguration();
     chunkSize = (int) OzoneConsts.MB;
@@ -121,9 +113,6 @@ private void startCluster(int datanodes) throws Exception {
     objectStore.getVolume(volumeName).createBucket(bucketName);
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterEach
   public void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestOzoneClientRetriesOnExceptionFlushDelay.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestOzoneClientRetriesOnExceptionFlushDelay.java
index 6628673bb4c..943d85cb68d 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestOzoneClientRetriesOnExceptionFlushDelay.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestOzoneClientRetriesOnExceptionFlushDelay.java
@@ -22,7 +22,6 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertInstanceOf;
 
-import java.io.IOException;
 import java.io.OutputStream;
 import java.util.UUID;
 import org.apache.hadoop.hdds.client.ReplicationFactor;
@@ -74,13 +73,6 @@ public class TestOzoneClientRetriesOnExceptionFlushDelay {
   private String keyString;
   private XceiverClientManager xceiverClientManager;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   * @throws IOException
-   */
   @BeforeEach
   public void init() throws Exception {
     OzoneClientConfig config = conf.getObject(OzoneClientConfig.class);
@@ -120,9 +112,6 @@ private String getKeyName() {
     return UUID.randomUUID().toString();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterEach
   public void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestOzoneClientRetriesOnExceptions.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestOzoneClientRetriesOnExceptions.java
index 217b9159687..beedc54d553 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestOzoneClientRetriesOnExceptions.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestOzoneClientRetriesOnExceptions.java
@@ -83,13 +83,6 @@ public class TestOzoneClientRetriesOnExceptions {
   private String keyString;
   private XceiverClientManager xceiverClientManager;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   * @throws IOException
-   */
   @BeforeEach
   public void init() throws Exception {
     OzoneClientConfig clientConfig = conf.getObject(OzoneClientConfig.class);
@@ -131,9 +124,6 @@ private String getKeyName() {
     return UUID.randomUUID().toString();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterEach
   public void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestOzoneRpcClientForAclAuditLog.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestOzoneRpcClientForAclAuditLog.java
index c98278116ef..2fe0dfa6672 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestOzoneRpcClientForAclAuditLog.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestOzoneRpcClientForAclAuditLog.java
@@ -92,13 +92,6 @@ public class TestOzoneRpcClientForAclAuditLog {
   private static StorageContainerLocationProtocolClientSideTranslatorPB
       storageContainerLocationClient;
 
-  /**
-   * Create a MiniOzoneCluster for testing.
-   *
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   * @throws IOException
-   */
   @BeforeAll
   public static void init() throws Exception {
     System.setProperty("log4j.configurationFile", "auditlog.properties");
@@ -114,11 +107,6 @@ public static void init() throws Exception {
     emptyAuditLog();
   }
 
-  /**
-   * Create a MiniOzoneCluster for testing.
-   * @param conf Configurations to start the cluster.
-   * @throws Exception
-   */
   private static void startCluster(OzoneConfiguration conf) throws Exception {
     cluster = MiniOzoneCluster.newBuilder(conf)
         .setNumDatanodes(3)
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestValidateBCSIDOnRestart.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestValidateBCSIDOnRestart.java
index 9cf9d252c48..24ffbfc3136 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestValidateBCSIDOnRestart.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestValidateBCSIDOnRestart.java
@@ -30,7 +30,6 @@
 import static org.junit.jupiter.api.Assertions.assertSame;
 
 import java.io.File;
-import java.io.IOException;
 import java.nio.file.Path;
 import java.time.Duration;
 import java.util.HashMap;
@@ -81,11 +80,6 @@ public class TestValidateBCSIDOnRestart {
   private static String volumeName;
   private static String bucketName;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   *
-   * @throws IOException
-   */
   @BeforeAll
   public static void init() throws Exception {
     conf = new OzoneConfiguration();
@@ -137,9 +131,6 @@ public static void init() throws Exception {
     objectStore.getVolume(volumeName).createBucket(bucketName);
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public static void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/container/TestECContainerRecovery.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/container/TestECContainerRecovery.java
index 066de7608d5..195b69d8014 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/container/TestECContainerRecovery.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/container/TestECContainerRecovery.java
@@ -90,9 +90,6 @@ public class TestECContainerRecovery {
   private static int dataBlocks = 3;
   private static byte[][] inputChunks = new byte[dataBlocks][CHUNK_SIZE];
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   */
   @BeforeAll
   public static void init() throws Exception {
     OzoneClientConfig clientConfig = conf.getObject(OzoneClientConfig.class);
@@ -153,9 +150,6 @@ public static void init() throws Exception {
     initInputChunks();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public static void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/container/common/statemachine/commandhandler/TestCloseContainerByPipeline.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/container/common/statemachine/commandhandler/TestCloseContainerByPipeline.java
index 4aad7ca794e..12bd4b0da3b 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/container/common/statemachine/commandhandler/TestCloseContainerByPipeline.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/container/common/statemachine/commandhandler/TestCloseContainerByPipeline.java
@@ -72,13 +72,6 @@ public class TestCloseContainerByPipeline {
   private static OzoneClient client;
   private static ObjectStore objectStore;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   * @throws IOException
-   */
   @BeforeAll
   public static void init() throws Exception {
     conf = new OzoneConfiguration();
@@ -97,9 +90,6 @@ public static void init() throws Exception {
     objectStore.getVolume("test").createBucket("test");
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public static void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestDataValidateWithSafeByteOperations.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestDataValidateWithSafeByteOperations.java
index 7902e5374a5..86d0bbe84b6 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestDataValidateWithSafeByteOperations.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestDataValidateWithSafeByteOperations.java
@@ -28,12 +28,6 @@
 
 public class TestDataValidateWithSafeByteOperations extends TestDataValidate {
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   */
   @BeforeAll
   public static void init() throws Exception {
     OzoneConfiguration conf = new OzoneConfiguration();
@@ -42,9 +36,6 @@ public static void init() throws Exception {
     startCluster(conf);
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public static void shutdown() {
     shutdownCluster();
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestDataValidateWithUnsafeByteOperations.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestDataValidateWithUnsafeByteOperations.java
index 022878a8dc5..e68a0a7838b 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestDataValidateWithUnsafeByteOperations.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestDataValidateWithUnsafeByteOperations.java
@@ -27,12 +27,6 @@
  */
 public class TestDataValidateWithUnsafeByteOperations extends TestDataValidate 
{
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   */
   @BeforeAll
   public static void init() throws Exception {
     OzoneConfiguration conf = new OzoneConfiguration();
@@ -41,9 +35,6 @@ public static void init() throws Exception {
     startCluster(conf);
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public static void shutdown() {
     shutdownCluster();
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestFreonWithDatanodeFastRestart.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestFreonWithDatanodeFastRestart.java
index ad67a40cbe1..54e8cabc11f 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestFreonWithDatanodeFastRestart.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestFreonWithDatanodeFastRestart.java
@@ -41,12 +41,6 @@
 public class TestFreonWithDatanodeFastRestart {
   private static MiniOzoneCluster cluster;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   */
   @BeforeAll
   public static void init() throws Exception {
     OzoneConfiguration conf = new OzoneConfiguration();
@@ -57,9 +51,6 @@ public static void init() throws Exception {
     cluster.waitForClusterToBeReady();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public static void shutdown() {
     if (cluster != null) {
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestFreonWithPipelineDestroy.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestFreonWithPipelineDestroy.java
index c996e06170b..a55657b7222 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestFreonWithPipelineDestroy.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestFreonWithPipelineDestroy.java
@@ -46,12 +46,6 @@ public class TestFreonWithPipelineDestroy {
 
   private static MiniOzoneCluster cluster;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   */
   @BeforeAll
   public static void init() throws Exception {
     OzoneConfiguration conf = new OzoneConfiguration();
@@ -79,9 +73,6 @@ public static void init() throws Exception {
     cluster.waitForClusterToBeReady();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public static void shutdown() {
     if (cluster != null) {
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestOMSnapshotDAG.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestOMSnapshotDAG.java
index 9f69ed51b7c..3f10edae586 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestOMSnapshotDAG.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/freon/TestOMSnapshotDAG.java
@@ -82,11 +82,6 @@ public class TestOMSnapshotDAG {
   private static ObjectStore store;
   private static OzoneClient client;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   */
   @BeforeAll
   public static void init() throws Exception {
     conf = new OzoneConfiguration();
@@ -118,9 +113,6 @@ public static void init() throws Exception {
     GenericTestUtils.setLogLevel(RaftServer.LOG, Level.INFO);
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public static void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOMRatisSnapshots.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOMRatisSnapshots.java
index 3609703c7ef..051addfd8ff 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOMRatisSnapshots.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOMRatisSnapshots.java
@@ -126,13 +126,6 @@ public class TestOMRatisSnapshots {
   private OzoneClient client;
   private GenericTestUtils.PrintStreamCapturer output;
 
-  /**
-   * Create a MiniOzoneCluster for testing. The cluster initially has one
-   * inactive OM. So at the start of the cluster, there will be 2 active and 1
-   * inactive OM.
-   *
-   * @throws IOException
-   */
   @BeforeEach
   public void init(TestInfo testInfo) throws Exception {
     conf = new OzoneConfiguration();
@@ -184,9 +177,6 @@ public void init(TestInfo testInfo) throws Exception {
     ozoneBucket = retVolumeinfo.getBucket(bucketName);
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterEach
   public void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmAcls.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmAcls.java
index 01e8463f6a9..350cc09c7ba 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmAcls.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmAcls.java
@@ -70,11 +70,6 @@ public class TestOmAcls {
     AuditLogTestUtils.enableAuditLog();
   }
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   */
   @BeforeAll
   public static void init() throws Exception {
     OzoneConfiguration conf = new OzoneConfiguration();
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmInit.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmInit.java
index e461fc44c2a..b4c0790e5c5 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmInit.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmInit.java
@@ -35,13 +35,6 @@ public class TestOmInit {
   private static MiniOzoneCluster cluster = null;
   private static OzoneConfiguration conf;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   * @throws IOException
-   */
   @BeforeAll
   public static void init() throws Exception {
     conf = new OzoneConfiguration();
@@ -50,9 +43,6 @@ public static void init() throws Exception {
     cluster.waitForClusterToBeReady();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public static void shutdown() {
     if (cluster != null) {
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmMetrics.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmMetrics.java
index 8edece39908..495ff705607 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmMetrics.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmMetrics.java
@@ -106,9 +106,6 @@ public class TestOmMetrics {
   private final OMException exception =
       new OMException("dummyException", OMException.ResultCodes.TIMEOUT);
   private OzoneClient client;
-  /**
-   * Create a MiniDFSCluster for testing.
-   */
 
   @BeforeAll
   public void setup() throws Exception {
@@ -132,9 +129,6 @@ private void startCluster() throws Exception {
         .getClientProxy().getOzoneManagerClient();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOzoneManagerHA.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOzoneManagerHA.java
index dd75a087065..07904fda6f5 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOzoneManagerHA.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOzoneManagerHA.java
@@ -127,13 +127,6 @@ public static Duration getRetryCacheDuration() {
     return RETRY_CACHE_DURATION;
   }
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   * @throws IOException
-   */
   @BeforeAll
   public static void init() throws Exception {
     conf = new OzoneConfiguration();
@@ -180,9 +173,6 @@ public static void init() throws Exception {
     objectStore = client.getObjectStore();
   }
 
-  /**
-   * Shutdown MiniDFSCluster after all tests of a class have run.
-   */
   @AfterAll
   public static void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOzoneManagerRestart.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOzoneManagerRestart.java
index f63ecff0f80..86d96cc1d1c 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOzoneManagerRestart.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOzoneManagerRestart.java
@@ -29,7 +29,6 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
-import java.io.IOException;
 import java.util.HashMap;
 import java.util.Map;
 import org.apache.commons.lang3.RandomStringUtils;
@@ -58,13 +57,6 @@ public class TestOzoneManagerRestart {
   private static MiniOzoneCluster cluster = null;
   private static OzoneClient client;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true
-   *
-   * @throws IOException
-   */
   @BeforeAll
   public static void init() throws Exception {
     OzoneConfiguration conf = new OzoneConfiguration();
@@ -80,9 +72,6 @@ public static void init() throws Exception {
     client = cluster.newClient();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public static void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOzoneManagerRocksDBLogging.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOzoneManagerRocksDBLogging.java
index 8c0b3ff4e4b..9a9c70acb1e 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOzoneManagerRocksDBLogging.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOzoneManagerRocksDBLogging.java
@@ -51,9 +51,6 @@ public void init() throws Exception {
     cluster.waitForClusterToBeReady();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterEach
   public void shutdown() {
     if (cluster != null) {
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestScmSafeMode.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestScmSafeMode.java
index 90c67133ac5..c5f30fdb895 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestScmSafeMode.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestScmSafeMode.java
@@ -92,14 +92,6 @@ public class TestScmSafeMode {
   private StorageContainerLocationProtocolClientSideTranslatorPB
       storageContainerLocationClient;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   * <p>
-   * Ozone is made active by setting OZONE_ENABLED = true and
-   * OZONE_HANDLER_TYPE_KEY = "distributed"
-   *
-   * @throws IOException
-   */
   @BeforeEach
   public void init() throws Exception {
     conf = new OzoneConfiguration();
@@ -118,9 +110,6 @@ public void init() throws Exception {
         .getStorageContainerLocationClient();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterEach
   public void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/snapshot/TestOmSnapshot.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/snapshot/TestOmSnapshot.java
index 19b237fe260..585d8a94395 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/snapshot/TestOmSnapshot.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/snapshot/TestOmSnapshot.java
@@ -219,9 +219,6 @@ public TestOmSnapshot(BucketLayout newBucketLayout,
     }
   }
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   */
   private void init() throws Exception {
     conf = new OzoneConfiguration();
     conf.setBoolean(OZONE_OM_ENABLE_FILESYSTEM_PATHS, enabledFileSystemPaths);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/snapshot/TestOzoneManagerSnapshotProvider.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/snapshot/TestOzoneManagerSnapshotProvider.java
index 4d5f1dda1c7..211d6e61db8 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/snapshot/TestOzoneManagerSnapshotProvider.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/snapshot/TestOzoneManagerSnapshotProvider.java
@@ -53,9 +53,6 @@ public class TestOzoneManagerSnapshotProvider {
 
   private OzoneClient client;
 
-  /**
-   * Create a MiniDFSCluster for testing.
-   */
   @BeforeEach
   public void init() throws Exception {
     conf = new OzoneConfiguration();
@@ -69,9 +66,6 @@ public void init() throws Exception {
     objectStore = client.getObjectStore();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterEach
   public void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/snapshot/TestSnapshotBackgroundServices.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/snapshot/TestSnapshotBackgroundServices.java
index 80b2ca9dfe3..eabafc45176 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/snapshot/TestSnapshotBackgroundServices.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/snapshot/TestSnapshotBackgroundServices.java
@@ -104,11 +104,6 @@ public class TestSnapshotBackgroundServices {
   private OzoneClient client;
   private final AtomicInteger counter = new AtomicInteger();
 
-  /**
-   * Create a MiniOzoneCluster for testing. The cluster initially has one
-   * inactive OM. So at the start of the cluster, there will be 2 active and 1
-   * inactive OM.
-   */
   @BeforeEach
   public void init(TestInfo testInfo) throws Exception {
     OzoneConfiguration conf = new OzoneConfiguration();
@@ -187,9 +182,6 @@ public void init(TestInfo testInfo) throws Exception {
     ozoneBucket = retVolumeinfo.getBucket(bucketName);
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterEach
   public void shutdown() {
     IOUtils.closeQuietly(client);
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/shell/TestOzoneShellHA.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/shell/TestOzoneShellHA.java
index b0385095aa7..a193bc817e8 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/shell/TestOzoneShellHA.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/shell/TestOzoneShellHA.java
@@ -156,12 +156,6 @@ public class TestOzoneShellHA {
 
   private static OzoneConfiguration ozoneConfiguration;
 
-  /**
-   * Create a MiniOzoneCluster for testing with using distributed Ozone
-   * handler type.
-   *
-   * @throws Exception
-   */
   @BeforeAll
   public void init() throws Exception {
     OzoneConfiguration conf = new OzoneConfiguration();
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/shell/TestOzoneShellHAWithFSO.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/shell/TestOzoneShellHAWithFSO.java
index a5e9ebd0420..027d2851de8 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/shell/TestOzoneShellHAWithFSO.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/shell/TestOzoneShellHAWithFSO.java
@@ -28,10 +28,6 @@
  */
 public class TestOzoneShellHAWithFSO extends TestOzoneShellHA {
 
-  /**
-   * Create a MiniOzoneCluster for testing with using distributed Ozone
-   * handler type.
-   */
   @BeforeAll
   @Override
   public void init() throws Exception {
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/shell/TestOzoneTenantShell.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/shell/TestOzoneTenantShell.java
index 0ad9f62f1cc..5d06b3ad90c 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/shell/TestOzoneTenantShell.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/shell/TestOzoneTenantShell.java
@@ -100,12 +100,6 @@ public class TestOzoneTenantShell {
 
   private static final boolean USE_ACTUAL_RANGER = false;
 
-  /**
-   * Create a MiniOzoneCluster for testing with using distributed Ozone
-   * handler type.
-   *
-   * @throws Exception
-   */
   @BeforeAll
   public static void init() throws Exception {
     // Remove audit log output if it exists
diff --git 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/shell/TestTransferLeadershipShell.java
 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/shell/TestTransferLeadershipShell.java
index f0c27e6e259..b187e3179fc 100644
--- 
a/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/shell/TestTransferLeadershipShell.java
+++ 
b/hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/shell/TestTransferLeadershipShell.java
@@ -22,7 +22,6 @@
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertNotSame;
 
-import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
@@ -55,11 +54,6 @@ public class TestTransferLeadershipShell {
 
   private static final long SNAPSHOT_THRESHOLD = 5;
 
-  /**
-   * Create a MiniOzoneCluster for testing.
-   *
-   * @throws IOException Exception
-   */
   @BeforeAll
   public void init() throws Exception {
     ozoneAdmin = new OzoneAdmin();
@@ -77,9 +71,6 @@ public void init() throws Exception {
     cluster.waitForClusterToBeReady();
   }
 
-  /**
-   * Shutdown MiniDFSCluster.
-   */
   @AfterAll
   public void shutdown() {
     if (cluster != null) {


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