On Wed, Apr 13, 2016 at 3:01 PM, Andres Freund <andres@anarazel.de> wrote:
> If you want me to rn some other tests I can, but ISTM we have the
> data we need?
Thanks for the additional detail on how this was run. I think I
still need a little more context, though:
What is the kernel on which these tests were run?
Which pg commit were these tests run against?
If 2201d801 was not included in your -1 tests, have you identified
where the 2% extra run time is going on -1 versus reverted? Since
several other threads lately have reported bigger variation than
that based on random memory alignment issues, can we confirm that
this is a real difference in what is at master's HEAD? Of course,
I'm still scheduled to test on bare metal machines in a couple
days, on two different architectures, so we'll have a few more data
points after that.
--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company