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https://issues.apache.org/jira/browse/YARN-9537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16969450#comment-16969450
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Yufei Gu commented on YARN-9537:
--------------------------------

Hi [~cane], sorry to come late. Patch 003 looks good to me overall. Just think 
aloud, why this property is cluster level instead of queue level?
There are style issues. 
# {{protected static final String  AM_PREEMPTION = CONF_PREFIX + 
"am.preemption";}} There are two spaces between "String" and "AM_PREEMPTION"
#  Do we need this comment? Probably not.
{code:java}
    // For test
      this.enableAMPreemption = scheduler.getConf().getAMPreemptionEnabled();
{code}


> Add configuration to disable AM preemption
> ------------------------------------------
>
>                 Key: YARN-9537
>                 URL: https://issues.apache.org/jira/browse/YARN-9537
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: fairscheduler
>    Affects Versions: 3.2.0, 3.1.2
>            Reporter: zhoukang
>            Assignee: zhoukang
>            Priority: Major
>         Attachments: YARN-9537-002.patch, YARN-9537.001.patch, 
> YARN-9537.003.patch
>
>
> In this issue, i will add a configuration to support disable AM preemption.



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