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https://issues.apache.org/jira/browse/YARN-8007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16389557#comment-16389557
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Weiwei Yang commented on YARN-8007:
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Hi [~yangjiandan]
Thanks for initiating this, it makes a lot of sense to help test scheduler perf
with placement constraints,
There are a few general comments to your patch
# Instead of using {{SourceTags}} abstraction, lets follow the public API in
scheduling request, which is to provide a Set<String> of source tags and a
PlacementConstraint. I think you will need 2 configs,
allocation_tags: foo,bar
placement_constraint: notin,node,foo
this way we can honor number of tasks in the config.
# I don't think we need to add placement constraint field in
ContainerSimulator, a placement constraint is request level, not container
level.
# Have you tried to run this and how this works out?
Thanks
> Support specifying placement constraint for task containers in SLS
> ------------------------------------------------------------------
>
> Key: YARN-8007
> URL: https://issues.apache.org/jira/browse/YARN-8007
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: scheduler-load-simulator
> Reporter: Jiandan Yang
> Assignee: Jiandan Yang
> Priority: Major
> Attachments: YARN-8007.001.patch
>
>
> YARN-6592 introduces placement constraint. Currently SLS does not support
> specify placement constraint.
> In order to help better perf test, we should be able to support specify
> placement for containers in sls configuration.
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