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https://issues.apache.org/jira/browse/YARN-1027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13756655#comment-13756655
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Karthik Kambatla commented on YARN-1027:
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Just uploaded a patch (yarn-1027-2.patch) that builds on top of YARN-1098
patch, and depends on it.
Patch outline:
# Implement RMHAProtocolService
# When HA is enabled, make this HA-service one of the services managed by the
RM. RM no longer manages the activeStateServices directly, these are to be
managed by the HA-service.
# Tests to check HA enable/disable and transitions when enabled.
# Included another patch (test-yarn-1027.patch) that I used to force
transitionToActive() after RM starts in the Standby mode. Post
transitionToActive, the RM behaves normally. I was able to run jobs.
> Implement RMHAServiceProtocol
> -----------------------------
>
> Key: YARN-1027
> URL: https://issues.apache.org/jira/browse/YARN-1027
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Bikas Saha
> Assignee: Karthik Kambatla
> Attachments: test-yarn-1027.patch, yarn-1027-1.patch,
> yarn-1027-2.patch, yarn-1027-in-rm-poc.patch
>
>
> Implement existing HAServiceProtocol from Hadoop common. This protocol is the
> single point of interaction between the RM and HA clients/services.
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