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Posted to jira@arrow.apache.org by "Liya Fan (Jira)" <ji...@apache.org> on 2021/03/08 06:42:00 UTC

[jira] [Created] (ARROW-11901) [Java] Investigate potential performance improvement of compression codec

Liya Fan created ARROW-11901:
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             Summary: [Java] Investigate potential performance improvement of compression codec
                 Key: ARROW-11901
                 URL: https://issues.apache.org/jira/browse/ARROW-11901
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Java
            Reporter: Liya Fan
            Assignee: Liya Fan


In response to the discussion in https://github.com/apache/arrow/pull/8949/files#r588046787

There are some performance penalties in the implementation of the compression codecs (e.g. data copying between heap/off-heap data). We need to revise the code to improve the performance. 

We should also provide some benchmarks to validate that the performance actually improves. 



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