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Posted to dev@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2016/08/05 11:58:20 UTC

[jira] [Created] (HIVE-14437) Vectorization: Optimize key misses in VectorMapJoinFastBytesHashTable

Gopal V created HIVE-14437:
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             Summary: Vectorization: Optimize key misses in VectorMapJoinFastBytesHashTable
                 Key: HIVE-14437
                 URL: https://issues.apache.org/jira/browse/HIVE-14437
             Project: Hive
          Issue Type: Bug
          Components: Vectorization
            Reporter: Gopal V


Currently, the lookup in VectorMapJoinFastBytesHashTable proceeds until the max number of metric put conflicts have been reached.

This can have a fast-exit when encountering the first empty slot during the probe, to speed up looking for non-existent keys.



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