[jira] [Commented] (FLINK-10582) Make REST executor thread priority configurable

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-10582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16653515#comment-16653515 ] 

ASF GitHub Bot commented on FLINK-10582:
----------------------------------------

tillrohrmann opened a new pull request #6868: [FLINK-10582] Make REST executor's thread priority configurable
URL: https://github.com/apache/flink/pull/6868
 
 
   ## What is the purpose of the change
   
   Introduce RestOptions#SERVER_THREAD_PRIORITY("rest.server.thread-priority") to configure the
   thread priority of the REST executor's threads.
   
   ## Verifying this change
   
   This change is a trivial rework / code cleanup without any test coverage.
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (no)
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no)
     - The serializers: (no)
     - The runtime per-record code paths (performance sensitive): (no)
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
     - The S3 file system connector: (no)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (no)
     - If yes, how is the feature documented? (not applicable)
   

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> Make REST executor thread priority configurable
> -----------------------------------------------
>
>                 Key: FLINK-10582
>                 URL: https://issues.apache.org/jira/browse/FLINK-10582
>             Project: Flink
>          Issue Type: Improvement
>          Components: Local Runtime, REST
>    Affects Versions: 1.7.0
>            Reporter: Till Rohrmann
>            Assignee: Till Rohrmann
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.7.0
>
>
> With FLINK-10282, we introduced a dedicated thread pool for the REST server endpoint. The thread priority was set to {{Thread.MIN_PRIORITY}}. This, however, might affect existing users by making some of the REST calls no longer responsive (e.g. if the other components' threads take all the time). Therefore, I propose to set the default thread priority to {{Thread.NORM_PRIORITY}} and make it additionally configurable such that users can change it.



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