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From "Hadoop QA (JIRA)" <>
Subject [jira] [Commented] (AMBARI-19573) Increase max limit for -Xmn parameter
Date Mon, 16 Jan 2017 23:26:27 GMT


Hadoop QA commented on AMBARI-19573:

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 2 new or modified
test files.

    {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:green}+1 core tests{color}.  The patch passed unit tests in ambari-server.

Test results:
Console output:

This message is automatically generated.

> Increase max limit for -Xmn parameter
> -------------------------------------
>                 Key: AMBARI-19573
>                 URL:
>             Project: Ambari
>          Issue Type: Improvement
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>         Attachments: AMBARI-19573.v1.patch
> Currently, max value for -Xmn parameter is bounded by (hbase-rs-2.2.json):
> {code}
>             "hbase_regionserver_xmn_max": "512",
> {code}
> During multiple troubleshooting sessions with customers, we (thanks to [~vrodionov])
found that this limit is too low for large heap size.
> This JIRA is to increase the limit to 4000 MB.

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