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From "Lavkesh Lahngir (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (YARN-5123) SQL based RM state store
Date Sun, 22 May 2016 11:29:12 GMT

    [ https://issues.apache.org/jira/browse/YARN-5123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15295155#comment-15295155
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Lavkesh Lahngir edited comment on YARN-5123 at 5/22/16 11:28 AM:
-----------------------------------------------------------------

Few comments: 
1. We applied this in hdp2.2.4 which is essentially hadoop-2.6.0 or similar. 
2. Before applying this to higher versions, we need to check, if there are any API changes.

3. For this patch to work, Postgres jar should be present in the RM classpath.
4. See YarnConfiguration for the new configurations. 
5. Make sure that the javac version is 1.7 or higher. 


was (Author: lavkesh):
Few comments: 
1. We applied this in hdp2.2.4 which is essentially hadoop-2.6.0 or similar. 
2. Before applying this to higher versions, we need to check, if there are any API changes.

3. For this patch to work, postgres jar should be present in the RM classpath.
4. See YarnConfiguration for new configurations. 

> SQL based RM state store
> ------------------------
>
>                 Key: YARN-5123
>                 URL: https://issues.apache.org/jira/browse/YARN-5123
>             Project: Hadoop YARN
>          Issue Type: New Feature
>    Affects Versions: 2.6.0
>            Reporter: Lavkesh Lahngir
>         Attachments: sqlstatestore.patch
>
>
> In our setup,  zookeeper based RM state store didn't work. We ended up implementing our
own SQL based state store. Here is a patch, if anybody else wants to use it. 



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