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https://issues.apache.org/jira/browse/YARN-5123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15296160#comment-15296160
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Lavkesh Lahngir commented on YARN-5123:
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[~balaknathan]
1. ZK was crashing due to large data in a zknode. I am sorry, I don't remember
the details now.
2. Yes, It can be based on MySQL. SQLOperations can be implemented for MySql.
Above implementation includes the Postgres implementation.
> 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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