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From "Devaraj K (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-6773) Implement RM Container Reuse Requestor to handle the reuse containers for resource requests
Date Wed, 02 Nov 2016 00:58:59 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6773?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Devaraj K updated MAPREDUCE-6773:
---------------------------------
    Affects Version/s: MR-6749
               Status: Patch Available  (was: Open)

I have updated the patch with changes, and will update with these once we have conclusion
about the above and below points.

bq. if we plan to use MR_AM_CONTAINER_REUSE_MAX_MAPTASKCONTAINERS (also reduce one), then
we need to rename the prefix from yarn.app.mapreduce.am to yarn.app.mapreduce & mapred-default.xml
needs to be updated

We have already renamed these configs as part of MAPREDUCE-6772 and we are just referring
the constants from MRJobConfig.java. Is there anything else you are referring here? 

bq. JOB_CONTAINER_COMPLETED, is it related to this patch ? should it be in MAPREDUCE-6784?
seems like not used anywhere in the current patch.
I removed this as part of this patch, will add it with MAPREDUCE-6784 or other jira.

bq. ContainerRequestorEvent has almost similar naming to that of ContainerRequestEvent, further
was wondering whether we can rename it to ContainerReUseRequestEvent, as its only used by
RMContainerReUseRequestor.

Currently we are referring ContainerRequestorEvent from RMContainerRequestor and RMContainerReuseRequestor.
I think the name RMContainerReUseRequestor would not match properly for RMContainerRequestor.
Any suggestions?

> 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-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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