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https://issues.apache.org/jira/browse/YARN-4476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15065210#comment-15065210
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Chris Douglas commented on YARN-4476:
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bq. do you think is it better to place this module to
org.apache.hadoop.yarn.server.resourcemanager.nodelabels.matcher (or evaluator)
for better organization?
I thought about it, but:
# It's a (potential) internal detail of the node label implementation, with
other classes in the package
# The {{nodelabel}} package is sparse right now
# None of these classes are user-facing, so they're easy to move
So I put in in the {{nodelabels}} package, but don't have a strong opinion.
> Matcher for complex node label expresions
> -----------------------------------------
>
> Key: YARN-4476
> URL: https://issues.apache.org/jira/browse/YARN-4476
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: scheduler
> Reporter: Chris Douglas
> Assignee: Chris Douglas
> Attachments: YARN-4476-0.patch, YARN-4476-1.patch
>
>
> Implementation of a matcher for complex node label expressions based on a
> [paper|http://dl.acm.org/citation.cfm?id=1807171] from SIGMOD 2010.
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