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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-9875) Add concurrent creation of execution job vertex
Date Thu, 19 Jul 2018 05:07:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-9875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16548797#comment-16548797
] 

ASF GitHub Bot commented on FLINK-9875:
---------------------------------------

Github user tison1 commented on the issue:

    https://github.com/apache/flink/pull/6353
  
    Fix unstable case, the problem is code below, that may assign `constraints` to a long
array and then to a short array, which cause out of index exception. to solve it we could
init `constraints` in object construct.
    
    https://github.com/apache/flink/blob/056486a1b81e9648a6d3dc795e7e2c6976f8388c/flink-runtime/src/main/java/org/apache/flink/runtime/jobmanager/scheduler/CoLocationGroup.java#L87-L91


> Add concurrent creation of execution job vertex
> -----------------------------------------------
>
>                 Key: FLINK-9875
>                 URL: https://issues.apache.org/jira/browse/FLINK-9875
>             Project: Flink
>          Issue Type: Improvement
>          Components: Local Runtime
>    Affects Versions: 1.5.1
>            Reporter: 陈梓立
>            Assignee: 陈梓立
>            Priority: Major
>              Labels: pull-request-available
>
> in some case like inputformat vertex, creation of execution job vertex is time
> consuming, this pr add concurrent creation of execution job vertex to accelerate it.



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