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https://issues.apache.org/jira/browse/MAPREDUCE-6773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15693884#comment-15693884
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Devaraj K commented on MAPREDUCE-6773:
--------------------------------------
bq. if its uber job then no need to do this registration RMContainerAllocator
@ ln 252.
If it is a uber job then the flow will not come into RMContainerAllocator,
instead it uses LocalContainerAllocator.
{code:title=MRAppMaster.java|borderStyle=solid}
if (job.isUber()) {
MRApps.setupDistributedCacheLocal(getConfig());
this.containerAllocator = new LocalContainerAllocator(
this.clientService, this.context, nmHost, nmPort, nmHttpPort
, containerID);
} else {
this.containerAllocator = new RMContainerAllocator(
this.clientService, this.context, preemptionPolicy, dispatcher);
}
{code}
> Implement RM Container Reuse Requestor to handle the reuse containers for
> resource requests
> -------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6773
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6773
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: applicationmaster, mrv2
> Affects Versions: MR-6749
> Reporter: Devaraj K
> Assignee: Devaraj K
> Attachments: MAPREDUCE-6773-MR-6749.003.patch,
> MAPREDUCE-6773-MR-6749.004.patch, MAPREDUCE-6773-MR-6749.005.patch,
> MAPREDUCE-6773-v0.patch, MAPREDUCE-6773-v1.patch, MAPREDUCE-6773-v2.patch
>
>
> Add RM Container Reuse Requestor which handles the reuse containers against
> the Job reource requests.
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