Marcin <migor@op.pl> writes:
> It seems that some changes to stats collector introduced in 8.1 are
> now eating my CPU power, and probably also the (I)/O bandwidth. :(
Yeah, something wrong there :-(. What did you say your platform was
exactly? Would you strace the collector process, and send maybe ten K
or so of trace output to pgsql-bugs? It's probably not appropriate for
pgsql-general.
regards, tom lane