[jira] Commented: (HADOOP-4079) Check for invalid queues in capacity scheduler

["Hemanth Yamijala (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-4079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12628593#action_12628593 ] 

Hemanth Yamijala commented on HADOOP-4079:
------------------------------------------

A simple proposal is to do what is done in HADOOP-3698. That is, we should parse the configuration at initialization and populate a mapping between queue names and the configured properties. This way, it will be easy to check if the map contains the queue name being requested in the APIs.

> Check for invalid queues in capacity scheduler
> ----------------------------------------------
>
>                 Key: HADOOP-4079
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4079
>             Project: Hadoop Core
>          Issue Type: Bug
>    Affects Versions: 0.19.0
>            Reporter: Hemanth Yamijala
>            Assignee: Hemanth Yamijala
>            Priority: Blocker
>             Fix For: 0.19.0
>
>
> The {{ResourceManagerConf}} class that is being moved to the capacity scheduler of HADOOP-3445 needs to check for a queue name that is not configured in the {{resource-manager-conf.xml}} file in its APIs and fail if it is not available. This feature was originally available, but due to subsequent changes in HADOOP-3698, queues are no longer being configured as part of the mentioned configuration file. Hence we need a different mechanism to check for valid queues.

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