pinker wrote: > I've just run pgBadger on my pg logs and wonder if those checkpoint > statistics is something I should worry about or not? > The highest write time is about 47 minutes but I'm not sure if that's > checkpoint_completion_target*checkpoint_target value or real time between > sending the command to write and getting response? > If that's the first one - then I assume everything is ok because: > checkpoint_timeout = 8min > checkpoint_completion_target = 0.9 > > but I'm not sure which value it is...
I think that is fine. if checkpoint_completion_target is 0.9, spending 0.9 * 3600 = 3240 seconds per hour doing checkpoints would be normal. The whole point of this parameter is to spread checkpoints across a longer time to avoid I/O spikes. Yours, Laurenz Albe -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general