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From "Manikandan R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7159) Normalize unit of resource objects in RM and avoid to do unit conversion in critical path
Date Mon, 30 Oct 2017 17:55:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16225426#comment-16225426
] 

Manikandan R commented on YARN-7159:
------------------------------------

TestClientRMService failure is related to this patch, other unit failures are not. Reading
resources from dependent jar doesn't  work using getFile() method. Attached patch to fix this.

> Normalize unit of resource objects in RM and avoid to do unit conversion in critical
path
> -----------------------------------------------------------------------------------------
>
>                 Key: YARN-7159
>                 URL: https://issues.apache.org/jira/browse/YARN-7159
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>            Reporter: Wangda Tan
>            Assignee: Manikandan R
>            Priority: Critical
>         Attachments: YARN-7159.001.patch, YARN-7159.002.patch, YARN-7159.003.patch, YARN-7159.004.patch,
YARN-7159.005.patch, YARN-7159.006.patch, YARN-7159.007.patch, YARN-7159.008.patch
>
>
> Currently resource conversion could happen in critical code path when different unit
is specified by client. This could impact performance and throughput of RM a lot. We should
do unit normalization when resource passed to RM and avoid expensive unit conversion every
time.



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