Re: what does it mean

ohp@pyrenet.fr writes:
>>> I've upgraded my production system to 741 yesterday, and just discovered
>>> this log message: statistic buffer is full.
>> 
>> If you see this a lot, it might be worth increasing PGSTAT_RECVBUFFERSZ.
>
> How much is a lot? it occured ~30 times since 23pm (it's 17:48 pm now)

Hm.  I wonder whether something is interfering with the stats collection
code on your system?  I can't recall anyone else reporting seeing this
log message, so I'm not convinced that PGSTAT_RECVBUFFERSZ is too small.

What platform are you using, again?
        regards, tom lane