On Friday 30 January 2004 19:19, Tom Lane wrote:
>
> The hash-join total time is obviously wrong seeing that the total
> runtime is only about 100000 msec, and the negative values for the other
> two are even more obviously wrong.
>
> I recall that we saw similar symptoms once before, and I thought we'd
> fixed it, but I didn't find any relevant mentions in the CVS logs.
You're not thinking of the -ve durations on the auto-vacuum gizmo? Something
to do with system clock accuracy IIRC.
--
Richard Huxton
Archonet Ltd