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Posted to issues@spark.apache.org by "cen yuhai (JIRA)" <ji...@apache.org> on 2017/05/25 10:22:04 UTC

[jira] [Updated] (SPARK-20882) Executor is waiting for ShuffleBlockFetcherIterator

     [ https://issues.apache.org/jira/browse/SPARK-20882?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

cen yuhai updated SPARK-20882:
------------------------------
    Attachment: executor_jstack

> Executor is waiting for ShuffleBlockFetcherIterator
> ---------------------------------------------------
>
>                 Key: SPARK-20882
>                 URL: https://issues.apache.org/jira/browse/SPARK-20882
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 2.1.0, 2.1.1
>            Reporter: cen yuhai
>         Attachments: executor_jstack
>
>
> This bug is like https://issues.apache.org/jira/browse/SPARK-19300.
> but I have updated my netty version to 4.0.43.Final.
> {code}
> "Executor task launch worker for task 4808985" #5373 daemon prio=5 os_prio=0 tid=0x00007f54ef437000 nid=0x1aed0 waiting on condition [0x00007f53aebfe000]
> java.lang.Thread.State: WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> parking to wait for <0x0000000498c249c0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:189)
> at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
> at org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:332)
> at org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:58)
> at scala.collection.Iterator$$anon$12.nextCur(Iterator.scala:434)
> at scala.collection.Iterator$$anon$12.hasNext(Iterator.scala:440)
> at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
> at org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:32)
> at org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:39)
> at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
> at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
> at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
> at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
> at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:408)
> at org.apache.spark.util.collection.ExternalSorter.insertAll(ExternalSorter.scala:199)
> at org.apache.spark.shuffle.sort.SortShuffleWriter.write(SortShuffleWriter.scala:63)
> at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:97)
> at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:54)
> at org.apache.spark.scheduler.Task.run(Task.scala:114)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:323)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1147)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:622)
> at java.lang.Thread.run(Thread.java:834)
> {code}



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