On Thu, 2007-03-29 at 11:45 -0700, Josh Berkus wrote: > > OK, different question: > > Why would anyone ever set full_page_compress = off? > > The only reason I can see is if compression costs us CPU but gains RAM & > I/O. I can think of a lot of applications ... benchmarks included ... > which are CPU-bound but not RAM or I/O bound. For those applications, > compression is a bad tradeoff. > > If, however, CPU used for compression is made up elsewhere through smaller > file processing, then I'd agree that we don't need a switch.
Koichi-san has explained things for me now. I misunderstood what the parameter did and reading your post, ISTM you have as well. I do hope Koichi-san will alter the name to allow everybody to understand what it does. -- Simon Riggs EnterpriseDB http://www.enterprisedb.com ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend