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https://issues.apache.org/jira/browse/AMBARI-16691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15365996#comment-15365996
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Hadoop QA commented on AMBARI-16691:
------------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12816616/AMBARI-16691.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:red}-1 tests included{color}. The patch doesn't appear to include
any new or modified tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:red}-1 core tests{color}. The test build failed in ambari-server
Test results:
https://builds.apache.org/job/Ambari-trunk-test-patch/7718//testReport/
Console output:
https://builds.apache.org/job/Ambari-trunk-test-patch/7718//console
This message is automatically generated.
> Atlas Integration : Extend Ambari with settings for Atlas environment
> configuration
> -----------------------------------------------------------------------------------
>
> Key: AMBARI-16691
> URL: https://issues.apache.org/jira/browse/AMBARI-16691
> Project: Ambari
> Issue Type: Bug
> Reporter: Tom Beerbower
> Assignee: Tom Beerbower
> Attachments: AMBARI-16691.patch
>
>
> In ATLAS-616, we uncovered problems with Atlas web service when testing
> queries at scale. The investigation revealed a fix possible with tuning some
> GC parameters. ATLAS-616 suggests the GC values in documentation.
> Default these settings in Ambari.
> The values we have recommended are all to be set in {{atlas-env.sh}} config
> file. They are:
> Common for all JDKs:
> {code}
> #export ATLAS_SERVER_OPTS="-server -XX:SoftRefLRUPolicyMSPerMB=0
> -XX:+CMSClassUnloadingEnabled -XX:+UseConcMarkSweepGC
> -XX:+CMSParallelRemarkEnabled -XX:+PrintTenuringDistribution
> -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=dumps/atlas_server.hprof
> -Xloggc:logs/gc-worker.log -verbose:gc -XX:+UseGCLogFileRotation
> -XX:NumberOfGCLogFiles=10 -XX:GCLogFileSize=1m -XX:+PrintGCDetails
> -XX:+PrintHeapAtGC -XX:+PrintGCTimeStamps"
> {code}
> For JDK7:
> {code}
> #export ATLAS_SERVER_HEAP="-Xms15360m -Xmx15360m -XX:MaxNewSize=3072m
> -XX:PermSize=100M -XX:MaxPermSize=512m"
> {code}
> For JDK8:
> {code}
> #export ATLAS_SERVER_HEAP="-Xms15360m -Xmx15360m -XX:MaxNewSize=5120m
> -XX:MetaspaceSize=100M -XX:MaxMetaspaceSize=512m"
> {code}
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