[
https://issues.apache.org/jira/browse/MAPREDUCE-3572?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Vinod Kumar Vavilapalli updated MAPREDUCE-3572:
-----------------------------------------------
Attachment: MAPREDUCE-3572-20111215.txt
Raw patch moving the event processing in RMContainerAllocator into a separate
thread so that the rest of the AM can do its work. The patch may need a bit of
cleanup and tests.
> MR AM's dispatcher is blocked by heartbeats to ResourceManager
> --------------------------------------------------------------
>
> Key: MAPREDUCE-3572
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3572
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: mr-am, mrv2, performance
> Affects Versions: 0.23.0
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Vinod Kumar Vavilapalli
> Fix For: 0.23.1
>
> Attachments: MAPREDUCE-3572-20111215.txt
>
>
> All the heartbeat processing is done in {{RMContainerAllocator}} locking the
> object. The event processing is also locked on this, causing the dispatcher
> to be blocked and the rest of the AM getting stalled.
> The event processing should be in a separate thread.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators:
https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira
