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Posted to dev@apex.apache.org by "Thomas Weise (JIRA)" <ji...@apache.org> on 2016/10/12 15:37:22 UTC

[jira] [Commented] (APEXCORE-556) New operator attribute - RECOVERY_WINDOW_COUNT

    [ https://issues.apache.org/jira/browse/APEXCORE-556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15569056#comment-15569056 ] 

Thomas Weise commented on APEXCORE-556:
---------------------------------------

The assumption that operators need (significantly) more time during recovery seems problematic. This may be a problem with the operator. Blocking the operator in setup for a long time causes the entire pipeline it is part of to block.  Please provide examples. 

Such operator behavior does not only affect recovery after failures, but also redeploy after dynamic plan changes.


> New operator attribute - RECOVERY_WINDOW_COUNT
> ----------------------------------------------
>
>                 Key: APEXCORE-556
>                 URL: https://issues.apache.org/jira/browse/APEXCORE-556
>             Project: Apache Apex Core
>          Issue Type: Improvement
>            Reporter: Sandesh
>
> During recovery operators need more time, so it is better to have different per operator attribute representing that behaviour.
> Note:
> 1. Input and output operators need to have a higher value for this attribute, as that is where recovery times are higher.



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