[PIG-4152] Enabling pig.exec.estimate.parallelism causes runtime exception in Tez

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Fix Version/s: 0.14.1
• Component/s: tez
• Assignee: Daniel Dai
• Reporter: Cheolsoo Park
• Created: 03/Sep/14 21:53
• Updated: 13/Mar/15 21:54

Description

I have a job that runs fine. But if I enable auto parallelism for sample job, it fails with an error.

SET pig.exec.estimate.parallelism true;

Here is the stack trace-

2014-09-03 19:17:18,060 INFO [TezChild] org.apache.tez.runtime.task.TezTaskRunner: Encounted an error while executing task: attempt_1409152864826_35896_1_00_000031_0
java.lang.IllegalArgumentException
    at com.google.common.base.Preconditions.checkArgument(Preconditions.java:72)
    at org.apache.tez.runtime.api.events.VertexManagerEvent.<init>(VertexManagerEvent.java:49)
    at org.apache.tez.runtime.api.events.VertexManagerEvent.create(VertexManagerEvent.java:61)
    at org.apache.pig.backend.hadoop.executionengine.tez.PigProcessor.run(PigProcessor.java:231)
    at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:324)
    at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:180)
    at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:172)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:415)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)
    at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.call(TezTaskRunner.java:172)
    at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.call(TezTaskRunner.java:167)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:745)