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https://issues.apache.org/jira/browse/HBASE-14420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14876733#comment-14876733
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stack edited comment on HBASE-14420 at 9/19/15 12:18 AM:
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Looking at recent builds, not bad but then this on ubuntu-1 doing HBASE-14407
NotServingRegion: hbase region closed forever against branch-1.2.
kalashnikov:hbase.git stack$ python ./dev-support/findHangingTests.py
https://builds.apache.org/view/H-L/view/HBase/job/PreCommit-HBASE-Build/15635/consoleFull
Fetching the console output from the URL
Printing hanging tests
Hanging test :
org.apache.hadoop.hbase.security.access.TestWithDisabledAuthorization
Hanging test : org.apache.hadoop.hbase.security.access.TestAccessController2
Hanging test : org.apache.hadoop.hbase.security.access.TestScanEarlyTermination
Hanging test :
org.apache.hadoop.hbase.master.balancer.TestStochasticLoadBalancer
Printing Failing tests
Failing test : org.apache.hadoop.hbase.client.TestSnapshotCloneIndependence
was (Author: stack):
Looking at recent builds, not bad but then this on ubuntu-1 doing HBASE-14407
NotServingRegion: hbase region closed forever
kalashnikov:hbase.git stack$ python ./dev-support/findHangingTests.py
https://builds.apache.org/view/H-L/view/HBase/job/PreCommit-HBASE-Build/15635/consoleFull
Fetching the console output from the URL
Printing hanging tests
Hanging test :
org.apache.hadoop.hbase.security.access.TestWithDisabledAuthorization
Hanging test : org.apache.hadoop.hbase.security.access.TestAccessController2
Hanging test : org.apache.hadoop.hbase.security.access.TestScanEarlyTermination
Hanging test :
org.apache.hadoop.hbase.master.balancer.TestStochasticLoadBalancer
Printing Failing tests
Failing test : org.apache.hadoop.hbase.client.TestSnapshotCloneIndependence
> 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
>
> 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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