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https://issues.apache.org/jira/browse/HBASE-14420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14960209#comment-14960209
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stack commented on HBASE-14420:
-------------------------------
bq. TestBytes is a small test that doesn't even start another thread ( I think
). That really points to infra.
Let me get to bottom of what is killing our builds... I've seen incidence where
we get killed and then report the tests that were running at the time as
'hanging'....
> 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, none_fix.txt, none_fix.txt, none_fix.txt, none_fix.txt,
> none_fix.txt, none_fix.txt, none_fix.txt, none_fix.txt, none_fix.txt,
> none_fix.txt, none_fix.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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