"Andrew W. Nosenko" <awn@bcs.zp.ua> writes:
> Question: what is logged in pg_log table and how I can cleanup it?
Transaction commit-status bits, and don't even *think* of touching it.
Easiest way to hose your database that I know of :-(
If it gets big enough to be really annoying, you can
dumpall/initdb/reload. There is no shortcut.
regards, tom lane