On 24 January 2012 06:26, Tatsuo Ishii <is...@postgresql.org> wrote: >> ** pgbench, permanent tables, scale factor 100, 300 s ** >> 1 group-commit-2012-01-21 614.425851 -10.4% >> 8 group-commit-2012-01-21 4705.129896 +6.3% >> 16 group-commit-2012-01-21 7962.131701 +2.0% >> 24 group-commit-2012-01-21 13074.939290 -1.5% >> 32 group-commit-2012-01-21 12458.962510 +4.5% >> 80 group-commit-2012-01-21 12907.062908 +2.8% > > Interesting. Comparing with this: > http://archives.postgresql.org/pgsql-hackers/2012-01/msg00804.php > you achieved very small enhancement. Do you think of any reason which > makes the difference?
Presumably this system has a battery-backed cache, whereas my numbers were obtained on my laptop. -- Peter Geoghegan http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training and Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
