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Posted to issues@tajo.apache.org by "Sooyeol.Yang (JIRA)" <ji...@apache.org> on 2015/07/27 08:39:05 UTC

[jira] [Created] (TAJO-1714) Boosting aggregation performance using GS-Collection

Sooyeol.Yang created TAJO-1714:
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             Summary: Boosting aggregation performance using GS-Collection
                 Key: TAJO-1714
                 URL: https://issues.apache.org/jira/browse/TAJO-1714
             Project: Tajo
          Issue Type: Improvement
          Components: Physical Operator
            Reporter: Sooyeol.Yang
            Assignee: Sooyeol.Yang
             Fix For: 0.11.0


GS-collections are known as one of the most efficient java collections.
So, I propose to change Tajo's internal memory collections to GS-collections.
Here are some interesting manuscripts including performance evaluation.

GS-collection github:
https://github.com/goldmansachs/gs-collections

javaone GS-collection slide:
https://docs.google.com/viewer?url=http%3A%2F%2Fwww.goldmansachs.com%2Fgs-collections%2Fpresentations%2F2014-09-29_JavaOne_GSC.pptx



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