On Tue, Feb 14, 2012 at 6:45 PM, Greg Smith <g...@2ndquadrant.com> wrote:
> Minimal changes were made to the postgresql.conf. shared_buffers=2GB, > checkpoint_segments=64, and I left wal_buffers at its default so that 9.1 > got credit for that going up. See > http://highperfpostgres.com/results-write-9.2-cf4/541/pg_settings.txt for a > full list of changes, drive mount options, and important kernel settings. > Much of that data wasn't collected in last year's pgbench-tools runs. Please retest with wal_buffers 128MB, checkpoint_segments 1024 Best to remove any tunable resource bottlenecks before we attempt further analysis. -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers