On 9/28/2013 11:29 AM, Tomas Vondra wrote:
There are probably some corner cases where this might improve the performance, but in most cases it's going to be worse. Why are you switching to multiple clusters? For example consider that you'll probably have to use much smaller shared buffers (which might cause issues on the active database, while the other databases don't use their portion of memory), you'll have to either use much smaller max_connections or decrease work_mem (you can't just keep the values because then you might run into OOM much more frequently) etc.
indeed, 10 separate checkpoint processes going off asynchronously, meh. -- john r pierce 37N 122W somewhere on the middle of the left coast -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general