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https://issues.apache.org/jira/browse/YARN-8112?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantinos Karanasos updated YARN-8112:
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Summary: Fix min cardinality check when source==target tag in intra-app
constraints (was: Relax cardinality check for intra-app affinity placement
constraints)
> Fix min cardinality check when source==target tag in intra-app constraints
> --------------------------------------------------------------------------
>
> Key: YARN-8112
> URL: https://issues.apache.org/jira/browse/YARN-8112
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Weiwei Yang
> Priority: Major
>
> Currently following PC doesn't workÂ
> {code:java}
> -placement_spec zk=3,IN,NODE,zk
> -placement_spec zk=1,IN,NODE,zk
> {code}
> Expectation: place 3/1 zk containers in any node of the cluster.
> This is because when we do cardinality check, PC cannot be satisfied as there
> is no "zk" tag placed on any node. But this is a very common user-case, hence
> we need to support.
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