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Posted to dev@crunch.apache.org by "Josh Wills (JIRA)" <ji...@apache.org> on 2018/03/05 20:31:00 UTC

[jira] [Commented] (CRUNCH-665) Make MRExecutor pollInterval configurable

    [ https://issues.apache.org/jira/browse/CRUNCH-665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16386715#comment-16386715 ] 

Josh Wills commented on CRUNCH-665:
-----------------------------------

[~clement@unportant.info] a patch would be most welcome-- thanks!

> Make MRExecutor pollInterval configurable
> -----------------------------------------
>
>                 Key: CRUNCH-665
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-665
>             Project: Crunch
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Clément MATHIEU
>            Assignee: Josh Wills
>            Priority: Major
>
> {{MRExecutor#pollInterval}} is currently hard coded to 50..1_000 for local mode and 500..10_000 otherwise. While being a sensible trade-off, one might want to poll more aggressively. For example, 1 seconds is usually too high for small integration tests. 
> A few experiments on internal test suites showed that lowering poll interval could halve execution time.
> What do you think about adding a new configuration parameter that would override default config? I can craft a patch if needed.



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