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Posted to yarn-issues@hadoop.apache.org by "Jim Brennan (Jira)" <ji...@apache.org> on 2020/05/29 20:17:00 UTC
[jira] [Assigned] (YARN-9903) Support reservations continue looking
for Node Labels
[ https://issues.apache.org/jira/browse/YARN-9903?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jim Brennan reassigned YARN-9903:
---------------------------------
Attachment: YARN-9903.001.patch
Assignee: Jim Brennan
Submitting patch for review.
> Support reservations continue looking for Node Labels
> -----------------------------------------------------
>
> Key: YARN-9903
> URL: https://issues.apache.org/jira/browse/YARN-9903
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Tarun Parimi
> Assignee: Jim Brennan
> Priority: Major
> Attachments: YARN-9903.001.patch
>
>
> YARN-1769 brought in reservations continue looking feature which improves the several resource reservation scenarios. However, it is not handled currently when nodes have a label assigned to them. This is useful and in many cases necessary even for Node Labels. So we should look to support this for node labels also.
> For example, in AbstractCSQueue.java, we have the below TODO.
> {code:java}
> // TODO, now only consider reservation cases when the node has no label
> if (this.reservationsContinueLooking && nodePartition.equals( RMNodeLabelsManager.NO_LABEL) && Resources.greaterThan( resourceCalculator, clusterResource, resourceCouldBeUnreserved, Resources.none())) {
> {code}
> cc [~sunilg]
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