On Mon, Jan 12, 2009 at 2:59 PM, Scott Marlowe <scott.marlowe@gmail.com> wrote:
> OK, I've got a query that's running slow the first time, then fast.
> But I can't see where the time is really being spend on the first run.
> Query and plan attached to preserve formatting.
>
> The index scan and nested loop that feed the next layer up nested loop
> both show very short run times. Yet the nested loop they feed to
> takes 30 seconds to run. If I run the query a second time, everything
> looks the same but the second nested loop now runs in well under a
> second.
>
> I can't figure out where my time's going to.
If it is any help, there is a nice tool to format your explain plan at
http://explain.depesz.com