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From "Daniel Dai (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-21249) Reduce memory footprint in ObjectStore.refreshPrivileges
Date Tue, 12 Feb 2019 00:32:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-21249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daniel Dai updated HIVE-21249:
------------------------------
    Attachment: HIVE-21249.1.patch

> Reduce memory footprint in ObjectStore.refreshPrivileges	
> ---------------------------------------------------------
>
>                 Key: HIVE-21249
>                 URL: https://issues.apache.org/jira/browse/HIVE-21249
>             Project: Hive
>          Issue Type: Bug
>          Components: Standalone Metastore
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>            Priority: Major
>         Attachments: HIVE-21249.1.patch
>
>
> We found there're could be many records in TBL_COL_PRIVS for a single table (a table
granted to many users), thus result a OOM in ObjectStore.listTableAllColumnGrants. We shall
reduce the memory footprint for ObjectStore.refreshPrivileges. Here is the stack of OOM:
> {code}
> org.datanucleus.api.jdo.JDOPersistenceManager.retrieveAll(JDOPersistenceManager.java:690)
> org.datanucleus.api.jdo.JDOPersistenceManager.retrieveAll(JDOPersistenceManager.java:710)
> org.apache.hadoop.hive.metastore.ObjectStore.listTableAllColumnGrants(ObjectStore.java:6629)
> org.apache.hadoop.hive.metastore.ObjectStore.refreshPrivileges(ObjectStore.java:6200)
> sun.reflect.NativeMethodAccessorImpl.invoke0(Native method)
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> java.lang.reflect.Method.invoke(Method.java:498)
> org.apache.hadoop.hive.metastore.RawStoreProxy.invoke(RawStoreProxy.java:97)
> com.sun.proxy.$Proxy32.refreshPrivileges(, line not available)
> org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.refresh_privileges(HiveMetaStore.java:6507)
> sun.reflect.NativeMethodAccessorImpl.invoke0(Native method)
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> java.lang.reflect.Method.invoke(Method.java:498)
> org.apache.hadoop.hive.metastore.RetryingHMSHandler.invokeInternal(RetryingHMSHandler.java:147)
> org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:108)
> com.sun.proxy.$Proxy34.refresh_privileges(, line not available)
> org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$refresh_privileges.getResult(ThriftHiveMetastore.java:17608)
> org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$refresh_privileges.getResult(ThriftHiveMetastore.java:17592)
> org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
> org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
> org.apache.hadoop.hive.metastore.security.HadoopThriftAuthBridge$Server$TUGIAssumingProcessor$1.run(HadoopThriftAuthBridge.java:636)
> org.apache.hadoop.hive.metastore.security.HadoopThriftAuthBridge$Server$TUGIAssumingProcessor$1.run(HadoopThriftAuthBridge.java:631)
> java.security.AccessController.doPrivileged(Native method)
> javax.security.auth.Subject.doAs(Subject.java:422)
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1688)
> org.apache.hadoop.hive.metastore.security.HadoopThriftAuthBridge$Server$TUGIAssumingProcessor.process(HadoopThriftAuthBridge.java:631)
> org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:286)
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> java.lang.Thread.run(Thread.java:748)
> {code}



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