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Posted to issues@drill.apache.org by "Jacques Nadeau (JIRA)" <ji...@apache.org> on 2015/05/05 15:36:27 UTC

[jira] [Updated] (DRILL-2809) Increase the default value of partitioner_sender_threads_factor

     [ https://issues.apache.org/jira/browse/DRILL-2809?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jacques Nadeau updated DRILL-2809:
----------------------------------
    Fix Version/s: 1.0.0

> Increase the default value of partitioner_sender_threads_factor
> ---------------------------------------------------------------
>
>                 Key: DRILL-2809
>                 URL: https://issues.apache.org/jira/browse/DRILL-2809
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>    Affects Versions: 0.8.0
>            Reporter: Aman Sinha
>            Assignee: Aman Sinha
>             Fix For: 1.0.0
>
>
> The current default value of planner.partitioner_sender_threads_factor is 1.  This is too low for most requirements.  In one scenario the elapsed time of a query on a 20 node cluster went from 158 secs to 60 secs when increasing the value to 2.   However, we have to determine a reasonable default for this and related partition_sender settings. 



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