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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-12813) Increase OS kernel parameters for hbase
Date Tue, 29 Sep 2015 23:29:04 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-12813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14936093#comment-14936093
] 

Enis Soztutar commented on AMBARI-12813:
----------------------------------------

This is great. We(in HBase) usually recommend setting nofile and nproc more than 10K. If we
default to 32K and 16K by default for HDFS, it should be good to go with those settings. Does
this work the same across all linuxes (ubuntu, redhat, etc)? 

> 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 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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