On Thu, Mar 23, 2017 at 1:18 PM, Ashutosh Sharma <ashu.coe...@gmail.com>
> *Conclusion:*
> As seen from the test results mentioned above, there is some performance
> improvement with 3 SP(s), with 5 SP(s) the results with patch is slightly
> better than HEAD, with 7 and 10 SP(s) we do see regression with patch.
> Therefore, I think the threshold value of 4 for number of subtransactions
> considered in the patch looks fine to me.
Thanks for the tests.  Attached find the rebased patch on HEAD.  I have ran
latest pgindent on patch.  I have yet to add wait event for group lock
waits in this patch as is done by Robert in commit
 d4116a771925379c33cf4c6634ca620ed08b551d for ProcArrayGroupUpdate.

With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com

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