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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14420) Zombie Stomping Session
Date Wed, 07 Oct 2015 19:13:27 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14947404#comment-14947404
] 

stack commented on HBASE-14420:
-------------------------------

Says:

Fetching https://builds.apache.org/job/PreCommit-HBASE-Build/15900//consoleText
Building remotely on ubuntu-1 (docker Ubuntu ubuntu ubuntu1) in workspace /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build
Testing patch for HBASE-14420.
Testing patch on branch master.
[INFO] Apache HBase ...................................... SUCCESS [2.872s]
[INFO] Apache HBase - Checkstyle ......................... SUCCESS [0.447s]
[INFO] Apache HBase - Resource Bundle .................... SUCCESS [0.141s]
[INFO] Apache HBase - Annotations ........................ SUCCESS [0.760s]
[INFO] Apache HBase - Protocol ........................... SUCCESS [11.245s]
[INFO] Apache HBase - Common ............................. SUCCESS [1:30.837s]
[INFO] Apache HBase - Procedure .......................... SUCCESS [1:55.004s]
[INFO] Apache HBase - Client ............................. SUCCESS [1:22.926s]
[INFO] Apache HBase - Hadoop Compatibility ............... SUCCESS [7.387s]
[INFO] Apache HBase - Hadoop Two Compatibility ........... SUCCESS [7.517s]
[INFO] Apache HBase - Prefix Tree ........................ SUCCESS [10.202s]
[INFO] Apache HBase - Server ............................. SUCCESS [1:52:57.190s]
[INFO] Apache HBase - Testing Util ....................... SUCCESS [1.140s]
[INFO] Apache HBase - Thrift ............................. SUCCESS [3:24.378s]
[INFO] Apache HBase - Shell .............................. SUCCESS [4:10.394s]
[INFO] Apache HBase - Integration Tests .................. SUCCESS [1.717s]
[INFO] Apache HBase - Examples ........................... SUCCESS [10.251s]
[INFO] Apache HBase - Rest ............................... SUCCESS [9:11.046s]
[INFO] Apache HBase - External Block Cache ............... SUCCESS [0.906s]
[INFO] Apache HBase - Assembly ........................... SUCCESS [1.704s]
[INFO] Apache HBase - Shaded ............................. SUCCESS [0.087s]
[INFO] Apache HBase - Shaded - Client .................... SUCCESS [0.334s]
[INFO] Apache HBase - Shaded - Server .................... SUCCESS [0.564s]
[INFO] Apache HBase - Spark .............................. SUCCESS [1:20.126s]
Printing hanging tests
Printing Failing tests

Activemq is the zombie. Need to figure how to report on our own zombies (another issue).

> Zombie Stomping Session
> -----------------------
>
>                 Key: HBASE-14420
>                 URL: https://issues.apache.org/jira/browse/HBASE-14420
>             Project: HBase
>          Issue Type: Umbrella
>          Components: test
>            Reporter: stack
>            Assignee: stack
>            Priority: Critical
>         Attachments: hangers.txt, none_fix (1).txt, none_fix.txt, none_fix.txt
>
>
> Patch build are now failing most of the time because we are dropping zombies. I confirm
we are doing this on non-apache build boxes too.
> Left-over zombies consume resources on build boxes (OOME cannot create native threads).
Having to do multiple test runs in the hope that we can get a non-zombie-making build or making
(arbitrary) rulings that the zombies are 'not related' is a productivity sink. And so on...
> This is an umbrella issue for a zombie stomping session that started earlier this week.
Will hang sub-issues of this one. Am running builds back-to-back on little cluster to turn
out the monsters.



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