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https://issues.apache.org/jira/browse/YARN-9748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16966760#comment-16966760
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zhoukang commented on YARN-9748:
--------------------------------
Thanks [~tangzhankun] sorry， the description is too careless before.
Here, i want to add a configuration reload service for CapacityScheduler which
has been implemented in FairScheduler.
The service class in FairScheduler is :
{code:java}
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.AllocationFileLoaderService
{code}
But there still not has some service like this in capacityscheduler.
The "auto reload service" is useful since we have a cluster used by many users
and business. The cluster capacity and queue capacity will be changed
frequently. If the rm can reload the config automatically，it can be useful for
maintenance.
> Allow capacity-scheduler configuration on HDFS and support reload from HDFS
> ---------------------------------------------------------------------------
>
> Key: YARN-9748
> URL: https://issues.apache.org/jira/browse/YARN-9748
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacity scheduler, capacityscheduler
> Affects Versions: 3.1.2
> Reporter: zhoukang
> Assignee: zhoukang
> Priority: Major
>
> Improvement:
> Support auto reload from hdfs
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