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https://issues.apache.org/jira/browse/AMBARI-15677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15978824#comment-15978824
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Hudson commented on AMBARI-15677:
---------------------------------
FAILURE: Integrated in Jenkins build Ambari-trunk-Commit #7335 (See
[https://builds.apache.org/job/Ambari-trunk-Commit/7335/])
AMBARI-20747 - Upgrade is not taking care of AMBARI-15677 (jhurley:
[http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=84d2b3a0ac3256d7d10c550d94814db3602f9ed7])
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ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/upgrade-2.3.xml
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ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/upgrade-2.5.xml
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ambari-server/src/main/resources/stacks/HDP/2.4/upgrades/upgrade-2.4.xml
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ambari-server/src/main/resources/stacks/HDP/2.4/upgrades/nonrolling-upgrade-2.4.xml
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ambari-server/src/main/resources/stacks/HDP/2.5/upgrades/nonrolling-upgrade-2.6.xml
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ambari-server/src/main/resources/stacks/HDP/2.4/upgrades/upgrade-2.6.xml
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ambari-server/src/main/resources/stacks/HDP/2.6/upgrades/nonrolling-upgrade-2.6.xml
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ambari-server/src/main/resources/stacks/HDP/2.5/upgrades/upgrade-2.5.xml
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ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/config-upgrade.xml
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ambari-server/src/main/resources/stacks/HDP/2.4/upgrades/nonrolling-upgrade-2.5.xml
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ambari-server/src/main/resources/stacks/HDP/2.4/upgrades/upgrade-2.5.xml
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ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/nonrolling-upgrade-2.6.xml
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ambari-server/src/main/resources/stacks/HDP/2.4/upgrades/config-upgrade.xml
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ambari-server/src/main/resources/stacks/HDP/2.4/upgrades/nonrolling-upgrade-2.6.xml
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ambari-server/src/main/resources/stacks/HDP/2.5/upgrades/nonrolling-upgrade-2.5.xml
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ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/nonrolling-upgrade-2.4.xml
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ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/upgrade-2.6.xml
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ambari-server/src/main/resources/stacks/HDP/2.5/upgrades/config-upgrade.xml
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ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/nonrolling-upgrade-2.5.xml
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ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/upgrade-2.4.xml
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ambari-server/src/main/resources/stacks/HDP/2.6/upgrades/upgrade-2.6.xml
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ambari-server/src/main/resources/stacks/HDP/2.5/upgrades/upgrade-2.6.xml
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ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/nonrolling-upgrade-2.3.xml
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ambari-server/src/main/resources/stacks/HDP/2.6/upgrades/config-upgrade.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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