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https://issues.apache.org/jira/browse/AMBARI-12813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14937478#comment-14937478
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Dmytro Sen commented on AMBARI-12813:
-------------------------------------
Only if it can't be applied to all target branches.
but
https://cwiki.apache.org/confluence/display/AMBARI/How+to+Contribute
{quote}
If the patch is for a release branch, both trunk patch and branch patch must
be uploaded.
{quote}
> Increase OS kernel parameters for hbase
> ---------------------------------------
>
> Key: AMBARI-12813
> URL: https://issues.apache.org/jira/browse/AMBARI-12813
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.1.0
> Reporter: Juanjo Marron
> Assignee: Juanjo Marron
> Fix For: 2.1.3
>
> Attachments: AMBARI-12813.patch, AMBARI-12813_branch-2.1.patch
>
>
> Ambari recipes generate /etc/security/limits.d/[service].conf to limit the
> open file, and number of processes for each user. It appears that hbase
> service is not doing this while hdfs, hive , ams, yarn, maprdeduce ... are
> cretaing their own user limits
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