Re: performance problem
Rick Gigger <rick@alpinenetworking.com>
From: "Rick Gigger" <rick@alpinenetworking.com>
To: "Tom Lane" <tgl@sss.pgh.pa.us>
Cc: "Doug McNaught" <doug@mcnaught.org>, "scott.marlowe" <scott.marlowe@ihs.com>, "PgSQL General ML" <pgsql-general@postgresql.org>
Date: 2003-11-20T22:21:55Z
Lists: pgsql-general
> "Rick Gigger" <rick@alpinenetworking.com> writes: > > I am confused. In this tutorial (by Bruce Momjian) > > http://candle.pha.pa.us/main/writings/pgsql/hw_performance/node8.html > > it says: "As a start for tuning, use 25% of RAM for cache size, and 2-4% for > > sort size." > > That advice is widely considered obsolete --- it was developed in the > days when typical RAM sizes were a lot less than today. I don't believe > anyone has shown a good case for setting shared_buffers much higher than > 10000. > > regards, tom lane Thank you!