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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-2684) Fix a crashing bug in the mixed workloads commit processor
Date Tue, 31 Oct 2017 14:51:01 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16226924#comment-16226924
] 

Hadoop QA commented on ZOOKEEPER-2684:
--------------------------------------

-1 overall.  GitHub Pull Request  Build
      

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 3.0.1) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    -1 core tests.  The patch failed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/1136//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/1136//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/1136//console

This message is automatically generated.

> Fix a crashing bug in the mixed workloads commit processor
> ----------------------------------------------------------
>
>                 Key: ZOOKEEPER-2684
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2684
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: server
>    Affects Versions: 3.6.0
>         Environment: with pretty heavy load on a real cluster
>            Reporter: Ryan Zhang
>            Assignee: Ryan Zhang
>            Priority: Blocker
>         Attachments: ZOOKEEPER-2684.patch
>
>
> We deployed our build with ZOOKEEPER-2024 and it quickly started to crash with the following
error
> atla-buh-05-sr1.prod.twttr.net: 2017-01-18 22:24:42,305 - ERROR [CommitProcessor:2] -org.apache.zookeeper.server.quorum.CommitProcessor.run(CommitProcessor.java:268)
– Got cxid 0x119fa expected 0x11fc5 for client session id 1009079ba470055
> atla-buh-05-sr1.prod.twttr.net: 2017-01-18 22:32:04,746 - ERROR [CommitProcessor:2] -org.apache.zookeeper.server.quorum.CommitProcessor.run(CommitProcessor.java:268)
– Got cxid 0x698 expected 0x928 for client session id 4002eeb3fd0009d
> atla-buh-05-sr1.prod.twttr.net: 2017-01-18 22:34:46,648 - ERROR [CommitProcessor:2] -org.apache.zookeeper.server.quorum.CommitProcessor.run(CommitProcessor.java:268)
– Got cxid 0x8904 expected 0x8f34 for client session id 51b8905c90251
> atla-buh-05-sr1.prod.twttr.net: 2017-01-18 22:43:46,834 - ERROR [CommitProcessor:2] -org.apache.zookeeper.server.quorum.CommitProcessor.run(CommitProcessor.java:268)
– Got cxid 0x3a8d expected 0x3ebc for client session id 2051af11af900cc
> clearly something is not right in the new commit processor per session queue implementation.



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