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Posted to issues@trafodion.apache.org by "Yuan Liu (JIRA)" <ji...@apache.org> on 2017/04/18 14:18:41 UTC

[jira] [Created] (TRAFODION-2595) Query result with cqd HBASE_DOP_PARALLEL_SCANNER ‘1.0’ not correct

Yuan Liu created TRAFODION-2595:
-----------------------------------

             Summary: Query result with cqd HBASE_DOP_PARALLEL_SCANNER ‘1.0’ not correct
                 Key: TRAFODION-2595
                 URL: https://issues.apache.org/jira/browse/TRAFODION-2595
             Project: Apache Trafodion
          Issue Type: Bug
          Components: -exe
    Affects Versions: 2.1-incubating
            Reporter: Yuan Liu
             Fix For: any


With cqd HBASE_DOP_PARALLEL_SCANNER ‘1.0’, the query executed very fast, but the result is not correct.

Below is a query result of a test query,

--Without cqd HBASE_DOP_PARALLEL_SCANNER ‘1.0’

--- 12315 row(s) selected.

Start Time             2017/04/18 13:15:52.946896
End Time               2017/04/18 13:51:46.141087
Elapsed Time                      00:35:53.194191
Compile Time                      00:00:00.070804
Execution Time                    00:35:53.123157

--With cqd HBASE_DOP_PARALLEL_SCANNER ‘1.0’

--- 3139 row(s) selected.

Start Time             2017/04/18 11:03:19.265742
End Time               2017/04/18 11:04:34.434705
Elapsed Time                      00:01:15.168963
Compile Time                      00:00:01.654184
Execution Time                    00:01:13.514594




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