Tom Lane wrote:
> [ studies code... ] I see the culprit: it's the pgstat_report_vacuum
> and pgstat_report_analyze routines that were added in 8.1. Those send
> messages unconditionally, meaning that the collector will create table
> entries for every table during a database-wide vacuum, even with stats
> turned off.
So in my case disabling the daily vacuum would, in fact, improve the
write performance ;) ... just joking.
I think I turn off the stats completely, and wait patiently for a fix.
Do you think it will be included in one of next 8.1.x releases, or do I
have to wait for 8.2?
Thanks again for a great help,
--
Marcin
