On Mon, Nov 01, 2010 at 07:18:22PM +0100, Filip RembiaÅkowski wrote: > 2010/11/1 hubert depesz lubaczewski <depesz@xxxxxxxxxx>: > > > as I understand, max number of xlog files in pg_xlog should be ( 1 + 2 * > > checkpoint_segments ). > > why? > > for a server overloaded with R/W transactions, it's possible to go beyond this. > checkpoints just do not keep up. > right now I have an 8.3 with checkpoint_segments=3, constantly running > pgbench and I see 8 WAL segments. you will notice in the logs that the system doesn't look like very loaded. i mean - there is fair amount of work, but nothing even resembling "overloaded". Best regards, depesz -- Linkedin: http://www.linkedin.com/in/depesz / blog: http://www.depesz.com/ jid/gtalk: depesz@xxxxxxxxxx / aim:depeszhdl / skype:depesz_hdl / gg:6749007 -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
