On Sat, Apr 9, 2016 at 10:49 PM, Andres Freund <and...@anarazel.de> wrote:
> > > On April 9, 2016 12:43:03 PM PDT, Andres Freund <and...@anarazel.de> > wrote: > >On 2016-04-09 22:38:31 +0300, Alexander Korotkov wrote: > >> There are results with 5364b357 reverted. > > > >Crazy that this has such a negative impact. Amit, can you reproduce > >that? Alexander, I guess for r/w workload 5364b357 is a benefit on that > >machine as well? > > How sure are you about these measurements? I'm pretty sure. I've retried it multiple times by hand before re-run the script. > Because there really shouldn't be clog lookups one a steady state is > reached... > Hm... I'm also surprised. There shouldn't be clog lookups once hint bits are set. ------ Alexander Korotkov Postgres Professional: http://www.postgrespro.com The Russian Postgres Company