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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-9410) Replace NMClient with NMClientAsync in YarnResourceManager
Date Mon, 04 Jun 2018 13:19:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-9410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16500200#comment-16500200
] 

ASF GitHub Bot commented on FLINK-9410:
---------------------------------------

Github user zhangminglei commented on the issue:

    https://github.com/apache/flink/pull/6087
  
    Hi, @tillrohrmann  Could you also take another look on this PR ? If the code wrong, please
let me know. and I will give a quick fix. Thank you!


> Replace NMClient with NMClientAsync in YarnResourceManager
> ----------------------------------------------------------
>
>                 Key: FLINK-9410
>                 URL: https://issues.apache.org/jira/browse/FLINK-9410
>             Project: Flink
>          Issue Type: Improvement
>          Components: Distributed Coordination
>    Affects Versions: 1.5.0, 1.6.0
>            Reporter: Till Rohrmann
>            Assignee: mingleizhang
>            Priority: Critical
>             Fix For: 1.6.0
>
>
> Currently, the {{YarnResourceManager}} uses the synchronous {{NMClient}} which is called
from within the main thread of the {{ResourceManager}}. Since these operations are blocking,
we should replace the client with the {{NMClientAsync}} and make the calls non blocking.



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