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From "TezQA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TEZ-3980) ShuffleRunner: the wake loop needs to check for shutdown
Date Thu, 16 Aug 2018 06:38:00 GMT

    [ https://issues.apache.org/jira/browse/TEZ-3980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16582037#comment-16582037

TezQA commented on TEZ-3980:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment
  against master revision 90c8195.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
3.0.1) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/PreCommit-TEZ-Build/2892//testReport/
Console output: https://builds.apache.org/job/PreCommit-TEZ-Build/2892//console

This message is automatically generated.

> ShuffleRunner: the wake loop needs to check for shutdown
> --------------------------------------------------------
>                 Key: TEZ-3980
>                 URL: https://issues.apache.org/jira/browse/TEZ-3980
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Gopal V
>            Assignee: Gopal V
>            Priority: Major
>         Attachments: TEZ-3980.1.patch
> In the ShuffleRunner threads, there's a loop which does not terminate if the task threads
get killed.
> {code}
>           while ((runningFetchers.size() >= numFetchers || pendingHosts.isEmpty())
>               && numCompletedInputs.get() < numInputs) {
>             inputContext.notifyProgress();
>             boolean ret = wakeLoop.await(1000, TimeUnit.MILLISECONDS);
>           }
> {code}
> The wakeLoop signal does not exit this out of the loop and is missing a break for shut-down.

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