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. Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers