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https://issues.apache.org/jira/browse/YARN-7838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16350798#comment-16350798
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Arun Suresh commented on YARN-7838:
-----------------------------------
Thanks for taking a stab at this [~cheersyang].
Yup, I agree we need a more flexible parser - the placementspec parser I put in
was just for some adhoc testing :)
Couple of comments:
# do we need a tryParse ? Either we are able to parse or an exception is thrown
right ?
# The {{toInt}} should be static
# I am assuming your {{shouldHaveNext}} is more like an assert - Maybe make
that static as well, and
# In the final implementation, we have to ensure that it accepts a
placementspec string WITHOUT any and/or as well.
> Support AND/OR constraints in Distributed Shell
> -----------------------------------------------
>
> Key: YARN-7838
> URL: https://issues.apache.org/jira/browse/YARN-7838
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: distributed-shell
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Priority: Major
> Attachments: YARN-7838.prelim.patch
>
>
> Extending DS placement spec syntax to support AND/OR constraints, something
> like
> {code}
> // simple
> -placement_spec foo=4,AND(NOTIN,NODE,foo:NOTIN,NODE,bar)
> // nested
> -placement_spec foo=4,AND(NOTIN,NODE,foo:OR(IN,NODE,moo:IN,NODE,bar))
> {code}
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