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https://issues.apache.org/jira/browse/YARN-8670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16588645#comment-16588645
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Sichen zhao edited comment on YARN-8670 at 8/22/18 10:07 AM:
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Hi, sorry for reply late.
it seems all the improvements is depending on YARN-3409? the master branch do
not support scheduling request yet.
And for the 1st improvment, what i thought was add PC and allocataiontags on
taskcontainer , but i read YARN-8007, and PC and allocataiontags shouldn't add
to container level.
So maybe we need create a new task class. PC, allocataiontags and taskcontainer
are members of task class. What do you think?
was (Author: sichen zhao):
Hi, sorry for reply late.
it seems all the improvements is depending on YARN-3409? the master branch do
not support scheduling request yet.
> Support scheduling request for SLS input and attributes for Node in SLS
> -----------------------------------------------------------------------
>
> Key: YARN-8670
> URL: https://issues.apache.org/jira/browse/YARN-8670
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: scheduler-load-simulator
> Affects Versions: YARN-3409
> Reporter: Sichen zhao
> Priority: Major
> Fix For: YARN-3409
>
>
> YARN-3409 introduces placement constraint, Currently SLS does not support
> specify placement constraint.
> YARN-8007 support specifying placement constraint for task containers in SLS.
> But there are still
> some room for improvement:
> # YARN-8007 only support placement constraint for the jobs level. In fact,
> the more flexible way is support placement constraint for the tasks level.
> # In most scenarios, node itself has some characteristics, called attribute,
> which is not supported in SLS. So we can add the attribute on Nodes.
> # YARN-8007 use the SYNTH as schedulingrequest input. But SYNTH can't create
> a large number of specific resource requests. We wanna create a new
> schedulingrequest input format(like sis format) for the more authentic input.
> We can add some field in sis format, and this is schedulingrequest input
> format.
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