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https://issues.apache.org/jira/browse/YARN-6164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15860357#comment-15860357
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Benson Qiu commented on YARN-6164:
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I built the latest version of Hadoop and it appears that
[maxAMLimitPercentage|https://github.com/apache/hadoop/blob/f67237cbe7bc48a1b9088e990800b37529f1db2a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/QueueCapacitiesInfo.java#L52]
has been added to the Cluster Scheduler API (/ws/v1/cluster/scheduler).
I still don't believe this config is exposed through YarnClient or YarnCLI
though.
> Expose maximum-am-resource-percent to Hadoop clients
> ----------------------------------------------------
>
> Key: YARN-6164
> URL: https://issues.apache.org/jira/browse/YARN-6164
> Project: Hadoop YARN
> Issue Type: Improvement
> Affects Versions: 2.7.2
> Reporter: Benson Qiu
>
> To my knowledge, there is no way to programmatically obtain
> `yarn.scheduler.capacity.maximum-applications`.
> I've tried looking at
> [YarnClient|https://hadoop.apache.org/docs/r2.7.2/api/index.html?org/apache/hadoop/yarn/client/api/YarnClient.html],
> [ResourceManager REST
> APIs|https://hadoop.apache.org/docs/r2.7.0/hadoop-yarn/hadoop-yarn-site/ResourceManagerRest.html],
> and
> [YarnCommands|https://hadoop.apache.org/docs/stable/hadoop-yarn/hadoop-yarn-site/YarnCommands.html]
> (via bin/yarn.sh)
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