BUG #4292: directory pg_clog never cleaned

Lampa napsal(a):

The following bug has been logged online:

Bug reference: 4292
Logged by: Lampa
Email address: lampacz@gmail.com
PostgreSQL version: 8.3.3, 8.1.8
Operating system: Debian x86_64, Debian i686
Description: directory pg_clog never cleaned
Details:

Directory pg_clog, is never cleaned.

My pg_clog directory contains 1070 files.

Do you perform vacuum? Only vacuum can do it. Or do you have any very log open
transaction which protects vacuum to do its job?

Zdenek