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Posted to issues@drill.apache.org by "Aman Sinha (JIRA)" <ji...@apache.org> on 2015/04/17 01:10:58 UTC

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

Aman Sinha created DRILL-2809:
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             Summary: 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


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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