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https://issues.apache.org/jira/browse/HIVE-15997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15900049#comment-15900049
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Chaoyu Tang commented on HIVE-15997:
------------------------------------
LGTM, +1
> Resource leaks when query is cancelled
> ---------------------------------------
>
> Key: HIVE-15997
> URL: https://issues.apache.org/jira/browse/HIVE-15997
> Project: Hive
> Issue Type: Bug
> Reporter: Yongzhi Chen
> Assignee: Yongzhi Chen
> Attachments: HIVE-15997.1.patch
>
>
> There may some resource leaks when query is cancelled.
> We see following stacks in the log:
> Possible files and folder leak:
> {noformat}
> 2017-02-02 06:23:25,410 WARN hive.ql.Context: [HiveServer2-Background-Pool:
> Thread-61]: Error Removing Scratch: java.io.IOException: Failed on local
> exception: java.nio.channels.ClosedByInterruptException; Host Details : local
> host is: "ychencdh511t-1.vpc.cloudera.com/172.26.11.50"; destination host is:
> "ychencdh511t-1.vpc.cloudera.com":8020;
> at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:772)
> at org.apache.hadoop.ipc.Client.call(Client.java:1476)
> at org.apache.hadoop.ipc.Client.call(Client.java:1409)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:230)
> at com.sun.proxy.$Proxy25.delete(Unknown Source)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.delete(ClientNamenodeProtocolTranslatorPB.java:535)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:256)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:104)
> at com.sun.proxy.$Proxy26.delete(Unknown Source)
> at org.apache.hadoop.hdfs.DFSClient.delete(DFSClient.java:2059)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$13.doCall(DistributedFileSystem.java:675)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$13.doCall(DistributedFileSystem.java:671)
> at
> org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.delete(DistributedFileSystem.java:671)
> at org.apache.hadoop.hive.ql.Context.removeScratchDir(Context.java:405)
> at org.apache.hadoop.hive.ql.Context.clear(Context.java:541)
> at org.apache.hadoop.hive.ql.Driver.releaseContext(Driver.java:2109)
> at org.apache.hadoop.hive.ql.Driver.closeInProcess(Driver.java:2150)
> at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1472)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1212)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1207)
> at
> org.apache.hive.service.cli.operation.SQLOperation.runQuery(SQLOperation.java:237)
> at
> org.apache.hive.service.cli.operation.SQLOperation.access$300(SQLOperation.java:88)
> at
> org.apache.hive.service.cli.operation.SQLOperation$3$1.run(SQLOperation.java:293)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1796)
> at
> org.apache.hive.service.cli.operation.SQLOperation$3.run(SQLOperation.java:306)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.nio.channels.ClosedByInterruptException
> at
> java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:202)
> at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:681)
> at
> org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:192)
> at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:530)
> at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:494)
> at
> org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:615)
> at
> org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:714)
> at org.apache.hadoop.ipc.Client$Connection.access$2900(Client.java:376)
> at org.apache.hadoop.ipc.Client.getConnection(Client.java:1525)
> at org.apache.hadoop.ipc.Client.call(Client.java:1448)
> ... 35 more
> 2017-02-02 12:26:52,706 INFO
> org.apache.hive.service.cli.operation.OperationManager:
> [HiveServer2-Background-Pool: Thread-23]: Operation is timed
> out,operation=OperationHandle [opType=EXECUTE_STATEMENT,
> getHandleIdentifier()=2af82100-94cf-4f26-abaa-c4b57c57b23c],state=CANCELED
> {format}
> Locks leak:
> {format}
> 2017-02-02 06:21:05,054 ERROR ZooKeeperHiveLockManager:
> [HiveServer2-Background-Pool: Thread-61]: Failed to release ZooKeeper lock:
> java.lang.InterruptedException
> at java.lang.Object.wait(Native Method)
> at java.lang.Object.wait(Object.java:503)
> at org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1342)
> at org.apache.zookeeper.ZooKeeper.delete(ZooKeeper.java:871)
> at
> org.apache.curator.framework.imps.DeleteBuilderImpl$5.call(DeleteBuilderImpl.java:238)
> at
> org.apache.curator.framework.imps.DeleteBuilderImpl$5.call(DeleteBuilderImpl.java:233)
> at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:107)
> at
> org.apache.curator.framework.imps.DeleteBuilderImpl.pathInForeground(DeleteBuilderImpl.java:230)
> at
> org.apache.curator.framework.imps.DeleteBuilderImpl.forPath(DeleteBuilderImpl.java:214)
> at
> org.apache.curator.framework.imps.DeleteBuilderImpl.forPath(DeleteBuilderImpl.java:41)
> at
> org.apache.hadoop.hive.ql.lockmgr.zookeeper.ZooKeeperHiveLockManager.unlockPrimitive(ZooKeeperHiveLockManager.java:488)
> at
> org.apache.hadoop.hive.ql.lockmgr.zookeeper.ZooKeeperHiveLockManager.unlockWithRetry(ZooKeeperHiveLockManager.java:466)
> at
> org.apache.hadoop.hive.ql.lockmgr.zookeeper.ZooKeeperHiveLockManager.unlock(ZooKeeperHiveLockManager.java:454)
> at
> org.apache.hadoop.hive.ql.lockmgr.zookeeper.ZooKeeperHiveLockManager.releaseLocks(ZooKeeperHiveLockManager.java:236)
> at
> org.apache.hadoop.hive.ql.Driver.releaseLocksAndCommitOrRollback(Driver.java:1175)
> at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1432)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1212)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1207)
> at
> org.apache.hive.service.cli.operation.SQLOperation.runQuery(SQLOperation.java:237)
> at
> org.apache.hive.service.cli.operation.SQLOperation.access$300(SQLOperation.java:88)
> at
> org.apache.hive.service.cli.operation.SQLOperation$3$1.run(SQLOperation.java:293)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1796)
> at
> org.apache.hive.service.cli.operation.SQLOperation$3.run(SQLOperation.java:306)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
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