On Sat, Apr 10, 2010 at 8:23 AM, Erik Rijkers <e...@xs4all.nl> wrote: > I understand that in the scale=1000 case, there is a huge > cache effect, but why doesn't that apply to the pgbench runs > against the standby? (and for the scale=10_000 case the > differences are still rather large)
I guess that this performance degradation happened because a number of buffer replacements caused UpdateMinRecoveryPoint() often. So I think increasing shared_buffers would improve the performance significantly. Regards, -- Fujii Masao NIPPON TELEGRAPH AND TELEPHONE CORPORATION NTT Open Source Software Center -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
