On Thu, 2008-10-30 at 14:00 -0300, Alvaro Herrera wrote: > Joshua D. Drake wrote: > > > However that isn't the exact same thing as a "cache" at least as I was > > trying to describe it. shared buffers are used to keep track of pages > > (as well as some other stuff) and their current status. That is not the > > same as caching a relation. > > Um, having a page in shared buffers means exactly that the page is > cached (a.k.a. it won't have to be read from the lower level next time). > Yes but that wasn't my point. Sorry if I wasn't being clear enough. Joshua D. Drake -- -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
