[ 
https://issues.apache.org/jira/browse/HIVE-14764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Rajesh Balamohan updated HIVE-14764:
------------------------------------
    Status: Patch Available  (was: Open)

> 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.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Reply via email to