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https://issues.apache.org/jira/browse/YARN-2695?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Lowe updated YARN-2695:
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Attachment: YARN-2695.001.patch
We've run into a number of situations where the lack of
reservations-continue-looking support for labelled nodes has caused problems,
so it would be good to get some traction on this. Attaching a patch that is a
port to trunk of what we've been running on our 2.7 release. It simply turns
off the "only for unlabelled nodes" checks for the feature.
I think this works fine for something like 2.7 with exclusive labels. When it
goes looking for another reservation to release it will be a reservation
against the same label. For non-exclusive labels this simplistic approach may
not be sufficient.
> Support continuously looking reserved container with node labels
> ----------------------------------------------------------------
>
> Key: YARN-2695
> URL: https://issues.apache.org/jira/browse/YARN-2695
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacityscheduler, resourcemanager
> Reporter: Wangda Tan
> Assignee: Wangda Tan
> Attachments: YARN-2695.001.patch
>
>
> YARN-1769 improved capacity scheduler to continuously look at reserved
> container when trying to reserve/allocate resource.
> This should be respected when node/resource-request/queue has node label.
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