Re: performance drop on 8.2.4, reverting to 8.1.4

Alvaro Herrera <alvherre@commandprompt.com> writes:
> Tom Lane escribi�:
>> I was hoping that the auto plan invalidation code in CVS HEAD would get
>> it out of this problem, but it seems not to for the problem-as-given.
>> The trouble is that it won't change plans until autovacuum analyzes the
>> tables, and that won't happen until the transaction commits and sends
>> off its I-inserted-lotsa-rows report to the stats collector.

> I think there is something we can do about this -- drop the default
> value for analyze threshold.

Maybe worth doing, but it doesn't help for Steve's example.

            regards, tom lane