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Posted to issues@tez.apache.org by "Hitesh Shah (JIRA)" <ji...@apache.org> on 2017/07/19 14:37:01 UTC

[jira] [Commented] (TEZ-1259) Vertex should move to RUNNING state without generating an extra VERTEX_START event

    [ https://issues.apache.org/jira/browse/TEZ-1259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16093173#comment-16093173 ] 

Hitesh Shah commented on TEZ-1259:
----------------------------------

[~kshukla] This may have some impact on the recovery code paths. Something to keep in mind when testing this fix out. 

> Vertex should move to RUNNING state without generating an extra VERTEX_START event
> ----------------------------------------------------------------------------------
>
>                 Key: TEZ-1259
>                 URL: https://issues.apache.org/jira/browse/TEZ-1259
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Siddharth Seth
>         Attachments: TEZ-1259.001.patch
>
>
> Currently, we end up generating a VERTEX_START event targeted at the same vertex when a vertex is ready to start. Instead, the Vertex can directly move to started state - which prevents unnecessary event queueing.



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