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https://issues.apache.org/jira/browse/HBASE-14420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-14420:
--------------------------
Attachment: hangers.txt
Little report on last 20 patch runs created by doing:
{code}
for i in `seq 15839 15859`; do python ./dev-support/findHangingTests.py
https://builds.apache.org/view/H-L/view/HBase/job/PreCommit-HBASE-Build/$i/consoleText
>> /tmp/report.txt ; done
{code}
4 of 20 passed
1 failed because patch did not apply
1 was a 0.98 build that failed a DLR test
4 had hanging tests/zombies.
Others were test failures... Flakies
Hanger incidence is falling but not cured yet.
> 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
>
>
> 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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