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https://issues.apache.org/jira/browse/OOZIE-2206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14499015#comment-14499015
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Hadoop QA commented on OOZIE-2206:
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Testing JIRA OOZIE-2206
Cleaning local git workspace
----------------------------
{color:green}+1 PATCH_APPLIES{color}
{color:green}+1 CLEAN{color}
{color:red}-1 RAW_PATCH_ANALYSIS{color}
. {color:green}+1{color} the patch does not introduce any @author tags
. {color:green}+1{color} the patch does not introduce any tabs
. {color:green}+1{color} the patch does not introduce any trailing spaces
. {color:green}+1{color} the patch does not introduce any line longer than
132
. {color:red}-1{color} the patch does not add/modify any testcase
{color:green}+1 RAT{color}
. {color:green}+1{color} the patch does not seem to introduce new RAT
warnings
{color:green}+1 JAVADOC{color}
. {color:green}+1{color} the patch does not seem to introduce new Javadoc
warnings
{color:green}+1 COMPILE{color}
. {color:green}+1{color} HEAD compiles
. {color:green}+1{color} patch compiles
. {color:green}+1{color} the patch does not seem to introduce new javac
warnings
{color:green}+1 BACKWARDS_COMPATIBILITY{color}
. {color:green}+1{color} the patch does not change any JPA
Entity/Colum/Basic/Lob/Transient annotations
. {color:green}+1{color} the patch does not modify JPA files
{color:red}-1 TESTS{color} - patch does not compile, cannot run testcases
{color:green}+1 DISTRO{color}
. {color:green}+1{color} distro tarball builds with the patch
----------------------------
{color:red}*-1 Overall result, please check the reported -1(s)*{color}
The full output of the test-patch run is available at
. https://builds.apache.org/job/oozie-trunk-precommit-build/2315/
> Change Reaper mode on ChildReaper in ZKLocksService
> ---------------------------------------------------
>
> Key: OOZIE-2206
> URL: https://issues.apache.org/jira/browse/OOZIE-2206
> Project: Oozie
> Issue Type: Bug
> Affects Versions: trunk
> Reporter: Ryota Egashira
> Assignee: Ryota Egashira
> Fix For: trunk
>
> Attachments: OOZIE-2206.patch
>
>
> OOZIE-1906 added znode cleanup thread.
> currently passing Reaper.Mode.REAP_INDEFINITELY, but this enforce Oozie
> server to keep reaping znode even after znode is cleaned up.
> (https://github.com/apache/curator/blob/master/curator-recipes/src/main/java/org/apache/curator/framework/recipes/locks/Reaper.java)
>
> This adds memory pressure on oozie server. Need to change to REAP_UNTIL_GONE
> or REAP_UNTIL_DELETE
>
> {code}
> reaper = new ChildReaper(zk.getClient(), LOCKS_NODE,
> Reaper.Mode.REAP_INDEFINITELY, getExecutorService(),
> ConfigurationService.getInt(services.getConf(), REAPING_THRESHOLD) * 1000,
> REAPING_LEADER_PATH);
> {code}
> we hit one scenario where one ZK quorum slows down for short period, causing
> many Zk locks not released properly, right after ChildReaper (every 5 min )
> runs, which keep checking the list of Znode ever since, in the end, Oozie
> server hit OOM.
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