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Posted to issues@drill.apache.org by "Mehant Baid (JIRA)" <ji...@apache.org> on 2014/10/10 22:20:34 UTC

[jira] [Created] (DRILL-1525) Use XXHash algorithm for hash functions

Mehant Baid created DRILL-1525:
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             Summary: Use XXHash algorithm for hash functions
                 Key: DRILL-1525
                 URL: https://issues.apache.org/jira/browse/DRILL-1525
             Project: Apache Drill
          Issue Type: Bug
            Reporter: Mehant Baid
            Assignee: Mehant Baid
             Fix For: 0.7.0


Currently we are using murmur hash algorithm for performing hash operations. We would like to move to XXHash which is a fast non-cryptographic  hash algorithm. More information can be found here: https://code.google.com/p/xxhash/

The implementation should also eliminates an extra copy of the ByteBuf to be consumed by the hash function.



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