[ 
https://issues.apache.org/jira/browse/HIVE-4436?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Gopal V updated HIVE-4436:
--------------------------

    Description: 
While running a hive query with multiple independent stages, hive.exec.parallel 
is a valid optimization to use.

The query tested has 3 MR jobs - the first job is the root dependency and the 2 
further job depend on the first one.

When hive.exec.parallel is turned on, the job fails with the following exception

{code}
java.io.IOException: java.lang.InterruptedException
        at org.apache.hadoop.ipc.Client.call(Client.java:1214)
        at 
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:202)
        at $Proxy12.mkdirs(Unknown Source)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:164)
        at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:83)
        at $Proxy12.mkdirs(Unknown Source)
        at 
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.mkdirs(ClientNamenodeProtocolTranslatorPB.java:447)
        at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:2165)
        at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:2136)
        at 
org.apache.hadoop.hdfs.DistributedFileSystem.mkdirs(DistributedFileSystem.java:544)
        at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:1916)
        at 
org.apache.hadoop.hive.ql.exec.ExecDriver.createTmpDirs(ExecDriver.java:222)
        at 
org.apache.hadoop.hive.ql.exec.ExecDriver.execute(ExecDriver.java:444)
        at 
org.apache.hadoop.hive.ql.exec.MapRedTask.execute(MapRedTask.java:138)
        at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:145)
        at 
org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:57)
        at org.apache.hadoop.hive.ql.exec.TaskRunner.run(TaskRunner.java:47)
Caused by: java.lang.InterruptedException
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1279)
        at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:218)
        at java.util.concurrent.FutureTask.get(FutureTask.java:83)
        at org.apache.hadoop.ipc.Client$Connection.sendParam(Client.java:921)
        at org.apache.hadoop.ipc.Client.call(Client.java:1208)
{code}

The query plan is as follows

{code}
  Stage-9 is a root stage
  Stage-8 depends on stages: Stage-9
  Stage-3 depends on stages: Stage-8
  Stage-0 depends on stages: Stage-3
  Stage-4 depends on stages: Stage-0
  Stage-5 depends on stages: Stage-8
  Stage-1 depends on stages: Stage-5
  Stage-6 depends on stages: Stage-1

STAGE PLANS:
  Stage: Stage-9
    Map Reduce Local Work
  Stage: Stage-8
    Map Reduce
            Map Join Operator
  Stage: Stage-3
    Map Reduce
  Stage: Stage-0
    Move Operator
  Stage: Stage-4
    Stats-Aggr Operator
  Stage: Stage-5
    Map Reduce
  Stage: Stage-1
    Move Operator
  Stage: Stage-6
    Stats-Aggr Operator
{code}

-I cannot conclude that this is purely a hive issue, will file a bug on HDFS if 
that does show up during triage.-

*Triaged* - set hive.stats.autogather=false; removes the bug.

  was:
While running a hive query with multiple independent stages, hive.exec.parallel 
is a valid optimization to use.

The query tested has 3 MR jobs - the first job is the root dependency and the 2 
further job depend on the first one.

When hive.exec.parallel is turned on, the job fails with the following exception

{code}
java.io.IOException: java.lang.InterruptedException
        at org.apache.hadoop.ipc.Client.call(Client.java:1214)
        at 
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:202)
        at $Proxy12.mkdirs(Unknown Source)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:164)
        at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:83)
        at $Proxy12.mkdirs(Unknown Source)
        at 
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.mkdirs(ClientNamenodeProtocolTranslatorPB.java:447)
        at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:2165)
        at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:2136)
        at 
org.apache.hadoop.hdfs.DistributedFileSystem.mkdirs(DistributedFileSystem.java:544)
        at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:1916)
        at 
org.apache.hadoop.hive.ql.exec.ExecDriver.createTmpDirs(ExecDriver.java:222)
        at 
org.apache.hadoop.hive.ql.exec.ExecDriver.execute(ExecDriver.java:444)
        at 
org.apache.hadoop.hive.ql.exec.MapRedTask.execute(MapRedTask.java:138)
        at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:145)
        at 
org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:57)
        at org.apache.hadoop.hive.ql.exec.TaskRunner.run(TaskRunner.java:47)
Caused by: java.lang.InterruptedException
        at 
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1279)
        at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:218)
        at java.util.concurrent.FutureTask.get(FutureTask.java:83)
        at org.apache.hadoop.ipc.Client$Connection.sendParam(Client.java:921)
        at org.apache.hadoop.ipc.Client.call(Client.java:1208)
{code}

The query plan is as follows

{code}
  Stage-9 is a root stage
  Stage-8 depends on stages: Stage-9
  Stage-3 depends on stages: Stage-8
  Stage-0 depends on stages: Stage-3
  Stage-4 depends on stages: Stage-0
  Stage-5 depends on stages: Stage-8
  Stage-1 depends on stages: Stage-5
  Stage-6 depends on stages: Stage-1

STAGE PLANS:
  Stage: Stage-9
    Map Reduce Local Work
  Stage: Stage-8
    Map Reduce
            Map Join Operator
  Stage: Stage-3
    Map Reduce
  Stage: Stage-0
    Move Operator
  Stage: Stage-4
    Stats-Aggr Operator
  Stage: Stage-5
    Map Reduce
  Stage: Stage-1
    Move Operator
  Stage: Stage-6
    Stats-Aggr Operator
{code}

I cannot conclude that this is purely a hive issue, will file a bug on HDFS if 
that does show up during triage.

    
> hive.exec.parallel=true doesn't work on hadoop-2
> ------------------------------------------------
>
>                 Key: HIVE-4436
>                 URL: https://issues.apache.org/jira/browse/HIVE-4436
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>         Environment: Ubuntu LXC (hive-trunk)
>            Reporter: Gopal V
>            Assignee: Gopal V
>         Attachments: HIVE-4436-test.tgz
>
>
> While running a hive query with multiple independent stages, 
> hive.exec.parallel is a valid optimization to use.
> The query tested has 3 MR jobs - the first job is the root dependency and the 
> 2 further job depend on the first one.
> When hive.exec.parallel is turned on, the job fails with the following 
> exception
> {code}
> java.io.IOException: java.lang.InterruptedException
>       at org.apache.hadoop.ipc.Client.call(Client.java:1214)
>       at 
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:202)
>       at $Proxy12.mkdirs(Unknown Source)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>       at java.lang.reflect.Method.invoke(Method.java:597)
>       at 
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:164)
>       at 
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:83)
>       at $Proxy12.mkdirs(Unknown Source)
>       at 
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.mkdirs(ClientNamenodeProtocolTranslatorPB.java:447)
>       at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:2165)
>       at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:2136)
>       at 
> org.apache.hadoop.hdfs.DistributedFileSystem.mkdirs(DistributedFileSystem.java:544)
>       at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:1916)
>       at 
> org.apache.hadoop.hive.ql.exec.ExecDriver.createTmpDirs(ExecDriver.java:222)
>       at 
> org.apache.hadoop.hive.ql.exec.ExecDriver.execute(ExecDriver.java:444)
>       at 
> org.apache.hadoop.hive.ql.exec.MapRedTask.execute(MapRedTask.java:138)
>       at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:145)
>       at 
> org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:57)
>       at org.apache.hadoop.hive.ql.exec.TaskRunner.run(TaskRunner.java:47)
> Caused by: java.lang.InterruptedException
>       at 
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1279)
>       at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:218)
>       at java.util.concurrent.FutureTask.get(FutureTask.java:83)
>       at org.apache.hadoop.ipc.Client$Connection.sendParam(Client.java:921)
>       at org.apache.hadoop.ipc.Client.call(Client.java:1208)
> {code}
> The query plan is as follows
> {code}
>   Stage-9 is a root stage
>   Stage-8 depends on stages: Stage-9
>   Stage-3 depends on stages: Stage-8
>   Stage-0 depends on stages: Stage-3
>   Stage-4 depends on stages: Stage-0
>   Stage-5 depends on stages: Stage-8
>   Stage-1 depends on stages: Stage-5
>   Stage-6 depends on stages: Stage-1
> STAGE PLANS:
>   Stage: Stage-9
>     Map Reduce Local Work
>   Stage: Stage-8
>     Map Reduce
>             Map Join Operator
>   Stage: Stage-3
>     Map Reduce
>   Stage: Stage-0
>     Move Operator
>   Stage: Stage-4
>     Stats-Aggr Operator
>   Stage: Stage-5
>     Map Reduce
>   Stage: Stage-1
>     Move Operator
>   Stage: Stage-6
>     Stats-Aggr Operator
> {code}
> -I cannot conclude that this is purely a hive issue, will file a bug on HDFS 
> if that does show up during triage.-
> *Triaged* - set hive.stats.autogather=false; removes the bug.

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