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https://issues.apache.org/jira/browse/OOZIE-2736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15664610#comment-15664610
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Hadoop QA commented on OOZIE-2736:
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Testing JIRA OOZIE-2736
Cleaning local git workspace
----------------------------
{color:green}+1 PATCH_APPLIES{color}
{color:green}+1 CLEAN{color}
{color:green}+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:green}+1{color} the patch does adds/modifies 1 testcase(s)
{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:red}-1{color} FindBugs diff JAR has a weird MD5 sum, rejecting.
{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:green}+1 TESTS{color}
. Tests run: 1828
{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/3433/
> Reduce the number of threads during test execution
> --------------------------------------------------
>
> Key: OOZIE-2736
> URL: https://issues.apache.org/jira/browse/OOZIE-2736
> Project: Oozie
> Issue Type: Improvement
> Reporter: Peter Bacsko
> Assignee: Peter Bacsko
> Attachments: OOZIE-2736-001.patch, OOZIE-2736-002.patch
>
>
> Currently we have a lots of threads during test execution. On one hand, this
> is understandable because we start an entire YARN cluster with all the
> services inside a single JVM. Still, the number of threads can be reduced. By
> default, certain properties are not set which causes almost all thread pools
> to start with 50 threads, which is an unnecessarily high number.
> The problem is that every thread consumes memory even if it doesn't run
> anything, so on a re. A more noticeable downside is that retrieving a thread
> dump results in a large output from jstack.
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