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https://issues.apache.org/jira/browse/YARN-4925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16031876#comment-16031876
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Konstantin Shvachko commented on YARN-4925:
-------------------------------------------
I've done quite a few runs for the client tests.
I see {{TestAMRMClient}} and other client tests failing consistently on my
Linux box. On Mac they succeed most of the time, but also fail once in a while.
I don't think it is related to this particular patch, but I don't know for sure.
So I think we should get some understanding on why the tests are failing, which
will give us an idea if we can commit this jira and focus on fixing the tests
for branch-2.7.
> ContainerRequest in AMRMClient, application should be able to specify
> nodes/racks together with nodeLabelExpression
> -------------------------------------------------------------------------------------------------------------------
>
> Key: YARN-4925
> URL: https://issues.apache.org/jira/browse/YARN-4925
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Bibin A Chundatt
> Assignee: Bibin A Chundatt
> Labels: release-blocker
> Fix For: 2.8.0, 3.0.0-alpha1
>
> Attachments: 0001-YARN-4925.patch, 0002-YARN-4925.patch,
> YARN-4925-branch-2.7.001.patch
>
>
> Currently with nodelabel AMRMClient will not be able to specify nodelabels
> with Node/Rack requests.For application like spark NODE_LOCAL requests cannot
> be asked with label expression.
> As per the check in {{AMRMClientImpl#checkNodeLabelExpression}}
> {noformat}
> // Don't allow specify node label against ANY request
> if ((containerRequest.getRacks() != null &&
> (!containerRequest.getRacks().isEmpty()))
> ||
> (containerRequest.getNodes() != null &&
> (!containerRequest.getNodes().isEmpty()))) {
> throw new InvalidContainerRequestException(
> "Cannot specify node label with rack and node");
> }
> {noformat}
> {{AppSchedulingInfo#updateResourceRequests}} we do reset of labels to that of
> OFF-SWITCH.
> The above check is not required for ContainerRequest ask /cc [~wangda] thank
> you for confirming
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