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https://issues.apache.org/jira/browse/YARN-353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13733576#comment-13733576
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Hitesh Shah commented on YARN-353:
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bq. For deleteWithRetries, the return code of exists() could be checked if a
delete is required or not. this depends on whether RM wants to know the delete
operation succeeds or not.
I am not sure I understand. If the RM is trying to delete something and the
node does not exist, is there a situation where the RM wants to know that the
node didn't exist and fail if a non-existent node was tried to be deleted?
> Add Zookeeper-based store implementation for RMStateStore
> ---------------------------------------------------------
>
> Key: YARN-353
> URL: https://issues.apache.org/jira/browse/YARN-353
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Hitesh Shah
> Assignee: Bikas Saha
> Attachments: YARN-353.10.patch, YARN-353.11.patch, YARN-353.1.patch,
> YARN-353.2.patch, YARN-353.3.patch, YARN-353.4.patch, YARN-353.5.patch,
> YARN-353.6.patch, YARN-353.7.patch, YARN-353.8.patch, YARN-353.9.patch
>
>
> Add store that write RM state data to ZK
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