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https://issues.apache.org/jira/browse/YARN-1222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karthik Kambatla updated YARN-1222:
-----------------------------------
Attachment: yarn-1222-4.patch
Updating new patch. If HA is enabled, when any of the ZK operations result in
KeeperException.NoAuthException, the RM is automatically transitioned to
Standby state. Added unit test to verify fencing works.
> Make improvements in ZKRMStateStore for fencing
> -----------------------------------------------
>
> Key: YARN-1222
> URL: https://issues.apache.org/jira/browse/YARN-1222
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Bikas Saha
> Assignee: Karthik Kambatla
> Attachments: yarn-1222-1.patch, yarn-1222-2.patch, yarn-1222-3.patch,
> yarn-1222-4.patch
>
>
> Using multi-operations for every ZK interaction.
> In every operation, automatically creating/deleting a lock znode that is the
> child of the root znode. This is to achieve fencing by modifying the
> create/delete permissions on the root znode.
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