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https://issues.apache.org/jira/browse/HIVE-14764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15492815#comment-15492815
]
Vaibhav Gumashta commented on HIVE-14764:
-----------------------------------------
+1.
Thanks [~rajesh.balamohan]. Looks like this has been around for a while.
> Enabling "hive.metastore.metrics.enabled" throws OOM in HiveMetastore
> ---------------------------------------------------------------------
>
> Key: HIVE-14764
> URL: https://issues.apache.org/jira/browse/HIVE-14764
> Project: Hive
> Issue Type: Bug
> Components: Metastore
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Priority: Minor
> Attachments: HIVE-14764.1.patch, hd_1.png, hd_2.png
>
>
> After running some queries with metrics enabled, metastore starts throwing
> the following messages.
> {noformat}
> Caused by: java.sql.SQLException: java.lang.OutOfMemoryError: GC overhead
> limit exceeded
> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1075)
> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:989)
> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:984)
> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:929)
> at com.mysql.jdbc.Util.handleNewInstance(Util.java:433)
> at
> com.mysql.jdbc.PreparedStatement.getInstance(PreparedStatement.java:877)
> at
> com.mysql.jdbc.ConnectionImpl.clientPrepareStatement(ConnectionImpl.java:1489)
> at
> com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4343)
> at
> com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4242)
> at
> com.jolbox.bonecp.ConnectionHandle.prepareStatement(ConnectionHandle.java:1024)
> at
> org.datanucleus.store.rdbms.SQLController.getStatementForQuery(SQLController.java:350)
> at
> org.datanucleus.store.rdbms.SQLController.getStatementForQuery(SQLController.java:295)
> at
> org.datanucleus.store.rdbms.scostore.JoinListStore.listIterator(JoinListStore.java:761)
> ... 36 more
> Nested Throwables StackTrace:
> java.sql.SQLException: java.lang.OutOfMemoryError: GC overhead limit exceeded
> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1075)
> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:989)
> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:984)
> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:929)
> at com.mysql.jdbc.Util.handleNewInstance(Util.java:433)
> at
> com.mysql.jdbc.PreparedStatement.getInstance(PreparedStatement.java:877)
> at
> com.mysql.jdbc.ConnectionImpl.clientPrepareStatement(ConnectionImpl.java:1489)
> at
> com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4343)
> at
> com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4242)
> at
> com.jolbox.bonecp.ConnectionHandle.prepareStatement(ConnectionHandle.java:1024)
> at
> org.datanucleus.store.rdbms.SQLController.getStatementForQuery(SQLController.java:350)
> at
> org.datanucleus.store.rdbms.SQLController.getStatementForQuery(SQLController.java:295)
> at
> org.datanucleus.store.rdbms.scostore.JoinListStore.listIterator(JoinListStore.java:761)
> at
> org.datanucleus.store.rdbms.scostore.AbstractListStore.listIterator(AbstractListStore.java:93)
> at
> org.datanucleus.store.rdbms.scostore.AbstractListStore.iterator(AbstractListStore.java:83)
> at
> org.datanucleus.store.types.wrappers.backed.List.loadFromStore(List.java:264)
> at
> org.datanucleus.store.types.wrappers.backed.List.iterator(List.java:492)
> at
> org.apache.hadoop.hive.metastore.ObjectStore.convertToFieldSchemas(ObjectStore.java:1199)
> at
> org.apache.hadoop.hive.metastore.ObjectStore.convertToStorageDescriptor(ObjectStore.java:1266)
> at
> org.apache.hadoop.hive.metastore.ObjectStore.convertToStorageDescriptor(ObjectStore.java:1281)
> at
> org.apache.hadoop.hive.metastore.ObjectStore.convertToTable(ObjectStore.java:1138)
> at
> org.apache.hadoop.hive.metastore.ObjectStore.ensureGetTable(ObjectStore.java:2651)
> at
> org.apache.hadoop.hive.metastore.ObjectStore.updatePartitionColumnStatistics(ObjectStore.java:6141)
> {noformat}
> HiveMetastore uses start/end functions for starting/ending the scope in
> MetricsFactory. In some places in HiveMetastore the function names are not
> matching causing gradual memory leak in metastore with metrics enabled.
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