On Thu, 26 Mar 2009, Ed L. wrote:
But I'm curious why 'commit' statements (as well as certain update
statements) seem to have actually degraded (1ms vs 5ms on avg, 2ms vs
14ms in the 95th percentile, etc).
When you commit something, it writes information to the write-ahead log
(WAL) and then
I've been tracking the performance of our DB query statements
across a number of fairly high-volume pg clusters for several
years (combined 2700 tps, ~1.3TB). Last year, we started
migrating off HP-UX IA64 servers running pg 8.1.x onto Linux
quadcore x86_64 Blade servers running pg 8.3.x while