Scott, Jeff and Shridhar: 1 GB RAM :)
The stock kernels are not the same, HyperThreading enabled. 80 simultaneous connections. sort_mem = 4096 I will compile my own kernel on this weekend, and I will report to the list after. Thank's all Alexandre > Also are two kernels exactly same? In my experience linux kernel behaves > slightly different from version to version w.r.t swap aggressiveness... > > Shridhar > > > ---------------------------(end of broadcast)--------------------------- > TIP 4: Don't 'kill -9' the postmaster > ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html