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?

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