On Thu, Dec 5, 2013 at 7:01 AM, Skarsol <skar...@gmail.com> wrote: > I'm trying to increase the speed of inserts in a database that is on a not > super fast storage system. I have installed a pair of SSDs and placed > pg_xlog on them but am still getting inserts that take up to a second to > complete, with .3 seconds being about average. Iostat doesn't show the SSDs > stressed at all, and changing synchronous_commit doesn't seem to affect it > one way or the other. Where would I look next for what could be causing the > delay? >
What are you inserting? At 0.3 seconds per, I'm guessing this is not just a simple single-row insert statement. Are you IO bound or CPU bound?