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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1027) Implement RMHAProtocolService
Date Fri, 13 Sep 2013 04:11:54 GMT

    [ https://issues.apache.org/jira/browse/YARN-1027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13766227#comment-13766227
] 

Karthik Kambatla commented on YARN-1027:
----------------------------------------

For manual testing, I applied the patches yarn-1027-7.patch, yarn-1193-1.patch (update clusterTimeStamp
on transitionToActive), and yarn-1068-1.patch (support for admin commands). Testing steps:
# *Start the RM*. Verified it was in Standby mode - Log, webui check, netstat for ports check.
jmap histo showed 168465 objects with 19476960 bytes.
# *Transition to Active*. Verified it was in Active mode - Log, webui, NM connected, netstat
for ports check. jmap histo showed 253430 objects with 31171544 bytes.
# *Run MR pi job*. Job finished successfully. WebUI worked as expected. jmap histo showed
288406 objects with 35726096 bytes.
# *Transition to Standby*. Verified it was in Standby mode. jmap histo showed 282392 objects
with 33975600 bytes. 
# Repeated steps 2, 3, 4 once more.
# *Stop the RM*. RM stopped as expected and the logs didn't show any untoward exceptions etc.
                
> Implement RMHAProtocolService
> -----------------------------
>
>                 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-1027-3.patch,
yarn-1027-4.patch, yarn-1027-5.patch, yarn-1027-6.patch, yarn-1027-7.patch, yarn-1027-7.patch,
yarn-1027-including-yarn-1098-3.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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