Merlin, > I vote 4x on the basis that for this setting (unlike almost all the > other memory settings) the ramifications for setting it too high > generally aren't too bad. Also, the o/s and temporary memory usage as > a share of total physical memory has been declining over time
If we're doing that, then we should change our general advice on this setting as well. Another argument in favor: this is a default setting, and by default, shared_buffers won't be 25% of RAM. > (meaning, that if you have a 256gb memory server and follow the advice > to set to 64gb, your memory for caching is approximately 64gb). Wait, what? -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers