Re: checkpoint patches
Robert Haas <robertmhaas@gmail.com>
From: Robert Haas <robertmhaas@gmail.com>
To: Stephen Frost <sfrost@snowman.net>
Cc: pgsql-hackers@postgresql.org, Greg Smith <greg@2ndquadrant.com>
Date: 2012-03-21T19:38:18Z
Lists: pgsql-hackers
On Wed, Mar 21, 2012 at 3:34 PM, Stephen Frost <sfrost@snowman.net> wrote: > Robert, > > * Robert Haas (robertmhaas@gmail.com) wrote: >> Thoughts? > > It was my impression that these patches were much about improving > overall tps and more about reducing latency spikes for specific > transactions that get hit by a checkpoint happening at a bad time. > > Are there any reductions in max latency for these pgbench runs..? > Assuming that's information you can get.. It looks like I neglected to record that information for the last set of runs. But I can try another set of runs and gather that information. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company