Tom Lane wrote:
A further report led us to realize that 8.2.x in fact has a nasty bug here: the stats collector is supposed to dump its stats to a file at most every 500 milliseconds, but the code was actually waiting only 500 microseconds :-(. The larger the stats file, the more obvious this problem gets. If you want to patch this before 8.2.4, try this...
Thanks for the follow-up on this issue, Tom. I was able to link the original huge stats file problem to some long(ish) running transactions which blocked VACUUM, but this patch will really help. Thanks.
-Ben
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