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https://issues.apache.org/jira/browse/YARN-6041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15786416#comment-15786416
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Wangda Tan commented on YARN-6041:
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Removed 2.9.0 from fixVersion, it should be target version.
Just do a very quick scan of the patch, it looks changes are isolated to
distributed scheduling logic inside RM, should be relatively safe. But I hope
to get someone more familiar with the overall opportunistic scheduling logic to
make sure it has less impact to existing logics (especially NM). ([~kasha]?)
Two minor comments for compatibility:
1) ContainerState.java: Mark SCHEDULED to unstable?
2) All new configurations to YarnConfigration.java should be @Unstable.
And not sure if there's incomplete changes to public (regardless of
stablebility) APIs / configs, we should not merge any API-only changes to
branch-2.
> Opportunistic containers : Combined patch for branch-2
> -------------------------------------------------------
>
> Key: YARN-6041
> URL: https://issues.apache.org/jira/browse/YARN-6041
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Arun Suresh
> Assignee: Arun Suresh
> Attachments: YARN-6041-branch-2.001.patch
>
>
> This is a combined patch targeting branch-2 of the following JIRAs which have
> already been committed to trunk :
> YARN-5938. Refactoring OpportunisticContainerAllocator to use
> SchedulerRequestKey instead of Priority and other misc fixes
> YARN-5646. Add documentation and update config parameter names for scheduling
> of OPPORTUNISTIC containers.
> YARN-5982. Simplify opportunistic container parameters and metrics.
> YARN-5918. Handle Opportunistic scheduling allocate request failure when NM
> is lost.
> YARN-4597. Introduce ContainerScheduler and a SCHEDULED state to NodeManager
> container lifecycle.
> YARN-5823. Update NMTokens in case of requests with only opportunistic
> containers.
> YARN-5377. Fix
> TestQueuingContainerManager.testKillMultipleOpportunisticContainers.
> YARN-2995. Enhance UI to show cluster resource utilization of various
> container Execution types.
> YARN-5799. Fix Opportunistic Allocation to set the correct value of Node Http
> Address.
> YARN-5486. Update OpportunisticContainerAllocatorAMService::allocate method
> to handle OPPORTUNISTIC container requests.
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