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https://issues.apache.org/jira/browse/FLINK-9013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16538461#comment-16538461
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ASF GitHub Bot commented on FLINK-9013:
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GitHub user dawidwys opened a pull request:
https://github.com/apache/flink/pull/6294
[FLINK-9013][docs] Document yarn.containers.vcores only being effective whe…
Added required configuration documentation on the cluster side for the
parameter `yarn.containers.vcores` to take effect.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dawidwys/flink FLINK-9013
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/6294.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #6294
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commit 2ccd82efa2ab109758ed96301c381c68883d1025
Author: Dawid Wysakowicz <dwysakowicz@...>
Date: 2018-07-10T09:55:39Z
[FLINK-9013] Document yarn.containers.vcores only being effective when
adapting YARN config
----
> Document yarn.containers.vcores only being effective when adapting YARN config
> ------------------------------------------------------------------------------
>
> Key: FLINK-9013
> URL: https://issues.apache.org/jira/browse/FLINK-9013
> Project: Flink
> Issue Type: Improvement
> Components: Documentation, YARN
> Affects Versions: 1.5.0
> Reporter: Nico Kruber
> Assignee: Nico Kruber
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.5.2
>
>
> Even after specifying {{yarn.containers.vcores}} and having Flink request
> such a container from YARN, it may not take these into account at all and
> return a container with 1 vcore.
> The YARN configuration needs to be adapted to take the vcores into account,
> e.g. by setting the {{FairScheduler}} in {{yarn-site.xml}}:
> {code}
> <property>
> <name>yarn.resourcemanager.scheduler.class</name>
>
> <value>org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler</value>
> </property>
> {code}
> This fact should be documented at least at the configuration parameter
> documentation of {{yarn.containers.vcores}}.
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