Jim C. Nasby wrote:
On Tue, Apr 18, 2006 at 06:22:26PM -0400, Tom Lane wrote:
"Jim C. Nasby" <[EMAIL PROTECTED]> writes:
Actually, if you run with stats_block_level turned on you have a
first-order approximation of what is and isn't cached.
Only if those stats decayed (pretty fast) with time; which they don't.

Good point. :/ I'm guessing there's no easy way to see how many blocks
for a given relation are in shared memory, either...

contrib/pg_buffercache will tell you this - what buffers from what relation are in shared_buffers (if you want to interrogate the os file buffer cache, that's a different story - tho I've been toying with doing a utility for Freebsd that would do this).

Cheers

Mark

---------------------------(end of broadcast)---------------------------
TIP 4: Have you searched our list archives?

              http://archives.postgresql.org

Reply via email to