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Posted to notifications@asterixdb.apache.org by "Ali Alsuliman (Jira)" <ji...@apache.org> on 2019/12/02 20:56:00 UTC

[jira] [Created] (ASTERIXDB-2684) Improve sampling of parallel sort

Ali Alsuliman created ASTERIXDB-2684:
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             Summary: Improve sampling of parallel sort
                 Key: ASTERIXDB-2684
                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-2684
             Project: Apache AsterixDB
          Issue Type: Bug
          Components: RT - Runtime
    Affects Versions: 0.9.4
            Reporter: Ali Alsuliman
             Fix For: 0.9.5


The current sampling of the parallel sort takes the first 100 tuples from each partition. Improve the sampling so that it takes 100 samples from each partition randomly.



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