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https://issues.apache.org/jira/browse/YARN-7159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16235697#comment-16235697
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Manikandan R commented on YARN-7159:
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Reading resources info from resource-types.xml had some issues as it has been
placed in incorrect path only for the modules other than hadoop-yarn-common.
This fix, for each clients (for ex, yarn rm etc) test case execution (wherever
it is required), it create the same file and place in client's target
directory, so that it can read to populate resource type info and delete the
same at the end of test case execution. As a long term, we will need to make
this change as common and for every resources, not just for copying
resource-types-4.xml as there would be test cases coming in future where in it
may required to copy the resources for its execution.
> 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,
> YARN-7159.009.patch, YARN-7159.010.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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