On 2014-04-21 15:26:03 -0400, Tom Lane wrote:
> Andres Freund <and...@2ndquadrant.com> writes:
> > I spent the last two hours poking arounds in the environment Andrew
> > provided and I was able to reproduce the issue, find a assert to
> > reproduce it much faster and find a possible root cause.
> Hmm ... is this the same thing Josh is reporting? If so, why the
> apparent connection with use of pg_stat_statements? Maybe that
> just changes the timing to make the race condition more likely?
I am not sure. I could only reproduce the problem with both
stat_statements and auto_explain loaded, but I didn't try very
long. It's pretty timing sensitive, so I could very well imagine that
some additional overhead makes it easier to reproduce.
Andres Freund http://www.2ndQuadrant.com/
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