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new 6702b6ca57 [Fix](hive-catalog) Fallback to refresh catalog when hms
events are missing (#20227)
6702b6ca57 is described below
commit 6702b6ca570e6682a73ecd35a75f26524b355787
Author: Xiangyu Wang <dut.xian...@gmail.com>
AuthorDate: Thu Jun 8 13:43:10 2023 +0800
[Fix](hive-catalog) Fallback to refresh catalog when hms events are missing
(#20227)
This error can not be recovered (the relevant events in hms may have been
deleted and can not recovered), so we need a fallback.
---
.../org/apache/doris/datasource/HMSExternalCatalog.java | 16 +++++++++++++++-
.../hadoop/hive/metastore/HiveMetaStoreClient.java | 2 +-
2 files changed, 16 insertions(+), 2 deletions(-)
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/datasource/HMSExternalCatalog.java
b/fe/fe-core/src/main/java/org/apache/doris/datasource/HMSExternalCatalog.java
index 531c626e3d..4d6c8b86fe 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/datasource/HMSExternalCatalog.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/datasource/HMSExternalCatalog.java
@@ -35,6 +35,7 @@ import com.google.common.collect.Lists;
import org.apache.commons.lang3.math.NumberUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hive.conf.HiveConf;
+import org.apache.hadoop.hive.metastore.HiveMetaStoreClient;
import org.apache.hadoop.hive.metastore.api.CurrentNotificationEventId;
import org.apache.hadoop.hive.metastore.api.NotificationEventResponse;
import org.apache.hadoop.security.UserGroupInformation;
@@ -215,7 +216,20 @@ public class HMSExternalCatalog extends ExternalCatalog {
LOG.info("Event id not updated when pulling events on catalog
[{}]", hmsExternalCatalog.getName());
return null;
}
- return client.getNextNotification(lastSyncedEventId,
Config.hms_events_batch_size_per_rpc, null);
+
+ try {
+ return client.getNextNotification(lastSyncedEventId,
Config.hms_events_batch_size_per_rpc, null);
+ } catch (IllegalStateException e) {
+ // Need a fallback to handle this because this error state can not
be recovered until restarting FE
+ if
(HiveMetaStoreClient.REPL_EVENTS_MISSING_IN_METASTORE.equals(e.getMessage())) {
+ lastSyncedEventId = getCurrentEventId();
+ refreshCatalog(hmsExternalCatalog);
+ LOG.warn("Notification events are missing, maybe an event can
not be handled "
+ + "or processing rate is too low, fallback to refresh
the catalog");
+ return null;
+ }
+ throw e;
+ }
}
private void refreshCatalog(HMSExternalCatalog hmsExternalCatalog) {
diff --git
a/fe/fe-core/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaStoreClient.java
b/fe/fe-core/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaStoreClient.java
index f3568a98a7..21ade60d07 100644
---
a/fe/fe-core/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaStoreClient.java
+++
b/fe/fe-core/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaStoreClient.java
@@ -320,7 +320,7 @@ public class HiveMetaStoreClient implements
IMetaStoreClient, AutoCloseable {
static final protected Logger LOG =
LoggerFactory.getLogger(HiveMetaStoreClient.class);
//copied from ErrorMsg.java
- private static final String REPL_EVENTS_MISSING_IN_METASTORE = "Notification
events are missing in the meta store.";
+ public static final String REPL_EVENTS_MISSING_IN_METASTORE = "Notification
events are missing in the meta store.";
public HiveMetaStoreClient(Configuration conf) throws MetaException {
this(conf, null, true);
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