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Posted to yarn-issues@hadoop.apache.org by "Wanqiang Ji (JIRA)" <ji...@apache.org> on 2019/02/26 08:34:00 UTC
[jira] [Commented] (YARN-9214) Add
AbstractYarnScheduler#getValidQueues method to resolve duplicate code
[ https://issues.apache.org/jira/browse/YARN-9214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16777728#comment-16777728 ]
Wanqiang Ji commented on YARN-9214:
-----------------------------------
Hi, [~cheersyang] [~eepayne] [~Prabhu Joseph]
Due to different scheduler implements *getAppsInQueue* with different logic, so we need to check whether the queue is valid. In *AbstractYarnScheduler* we had two method do it, so I think we should call the another method to do it. In addition to that, I think it is a good practice to reduce the duplicate code. So I created this issue and resolved it.
Can you help to review this?
> Add AbstractYarnScheduler#getValidQueues method to resolve duplicate code
> --------------------------------------------------------------------------
>
> Key: YARN-9214
> URL: https://issues.apache.org/jira/browse/YARN-9214
> Project: Hadoop YARN
> Issue Type: Improvement
> Affects Versions: 3.1.0, 3.2.0, 2.9.2, 3.0.3, 2.8.5
> Reporter: Wanqiang Ji
> Assignee: Wanqiang Ji
> Priority: Major
> Fix For: 3.3.0
>
> Attachments: YARN-9214.001.patch
>
>
> *AbstractYarnScheduler#moveAllApps* and *AbstractYarnScheduler#killAllAppsInQueue* had the same code segment. So I think we need a method to handle it named *AbstractYarnScheduler#getValidQueues*. Apart from this we need add the doc comment to expound why exists.
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