Hi, yeah we log those, those times do not match the times of the slowdown at all. Seems to be unrelated. Sebastian On 23.03.2012, at 01:47, Stephen Frost wrote: > * Sebastian Melchior (webmaster@xxxxxxxx) wrote: >> Does anyone have any idea what could cause this issue or how we can further debug it? > > Are you logging checkpoints? If not, you should, if so, then see if > they correllate to the time of the slowdown..? > > Thanks, > > Stephen -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance