Erik Jones escribió: > One workaround I came up with a while back for that is to edit the stat > file name to be in a separate directory under global (like > <datadir>/global/pg_stats/pgstat.stat) and mount a ramfs there. Of > course, a custom compile isn't always an option but it removed a *ton* > of IO on that db (had thousands upon thousands of tables). Also, if you > do that you need to be sure to copy pgstat.stat to a permanent place > periodically unless you want to risk losing all of your stats.
Hmm, you don't really need to copy it periodically -- you need to do it on shutdown only. If the system crashes, the recovery code will delete the pgstats file anyway. -- Alvaro Herrera http://www.CommandPrompt.com/ PostgreSQL Replication, Consulting, Custom Development, 24x7 support -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
