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https://issues.apache.org/jira/browse/AMBARI-15677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15224128#comment-15224128
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Hudson commented on AMBARI-15677:
---------------------------------
SUCCESS: Integrated in Ambari-branch-2.2 #585 (See
[https://builds.apache.org/job/Ambari-branch-2.2/585/])
AMBARI-15677. Ambari needs to set HDFS GC settings (vbrodetskyi:
[http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=2ec92ffc11bbd2ba3e1466b094da2d15420240a0])
*
ambari-server/src/main/resources/stacks/HDP/2.3/services/HDFS/configuration/hadoop-env.xml
*
ambari-server/src/main/resources/stacks/HDP/2.2/services/HDFS/configuration/hadoop-env.xml
*
ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/configuration/hadoop-env.xml
> Ambari needs to set HDFS GC settings correctly
> ----------------------------------------------
>
> Key: AMBARI-15677
> URL: https://issues.apache.org/jira/browse/AMBARI-15677
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.2.2
> Reporter: Vitaly Brodetskyi
> Assignee: Vitaly Brodetskyi
> Priority: Critical
> Fix For: 2.2.2
>
> Attachments: AMBARI-15677.patch
>
>
> We need to make sure the Namenode CMS GC settings are correct.
> Ambari does not currently set -XX:CMSInitiatingOccupancyFraction=70 or
> -XX:+UseCMSInitiatingOccupancyOnly. The NewSize needs also some tweaking: it
> should be 1/8th to 1/10th of the namenode heap size in general, but it looks
> like we would cap at 8 gb like here (this NN has 112 GB heap).
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