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From selvaganesang <...@git.apache.org>
Subject [GitHub] incubator-trafodion pull request #1087: [TRAFODION-2420] RMS enhancements
Date Tue, 09 May 2017 04:11:32 GMT
GitHub user selvaganesang opened a pull request:

    https://github.com/apache/incubator-trafodion/pull/1087

    [TRAFODION-2420] RMS enhancements

    New counters introduced as part of BMO
    
    InterimRowCount - Counter to keep track intermediate rows
                      produced by hash join and for intermediate
                      runs in sort
    phase           - BMO Phase for hash-join and sort
    
    get statistics for statement s1, options 'cs' now works.
    
    Removed attaching BMO stats to Non-root Paritial and leaf partition hash group by operators.
    These operators are non-blocking BMOs.
    
    Introduced 3 phases for hash grby operator to be visible in RMS Stats
    
    options 'sl' now works with get statistics for qid.
    
    The relevant new counters are now part of accumulated statistics type.
    
    Extended the support upto 512 opeartors from 256 operators in RMS
    
    Fixed both Type 2 and mxosrvr code to obtain all the externalized counters in accumualted
stats correctly.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/selvaganesang/incubator-trafodion trafodion-2420_4

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/incubator-trafodion/pull/1087.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1087
    
----
commit e7719015286a0217fa5ec81551a783f8bc18fc3b
Author: selvaganesang <selva.govindarajan@esgyn.com>
Date:   2017-05-01T23:11:47Z

    [TRAFODION-2420] RMS enhancements
    
    New counters introduced as part of BMO
    
    InterimRowCount - Counter to keep track intermediate rows
                      produced by hash join and for intermediate
                      runs in sort
    phase           - BMO Phase for hash-join and sort
    
    get statistics for statement s1, options 'cs' now works.
    
    Removed attaching BMO stats to Non-root Paritial and leaf partition hash group by operators.
    These operators are non-blocking BMOs.
    
    Introduced 3 phases for hash grby operator to be visible in RMS Stats
    
    options 'sl' now works with get statistics for qid.
    
    The relevant new counters are now part of accumulated statistics type.
    
    Extended the support upto 512 opeartors from 256 operators in RMS
    
    Fixed both Type 2 and mxosrvr code to obtain all the externalized counters in accumualted
stats correctly.

----


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