On Fri, 19 Aug 2005, Adam wrote: > Postgresql's shared buffer cache is used to cache data read from disk, > so it is a disk cache maintained by on its own. I think postgresql > stores and purges data in the shared buffer cache with an understanding > of table/column access, so you should get more benefit from using extra > RAM there than increasing BUFCACHEPERCENT, not positive though.
in general, yes. double caching is bad, but any app is certainly more likely to make intelligent decisions about cache management than the kernel is. -- And that's why I won't have sex with you.
