Re: Long-running performance (MVCC, Vacuum, etc.) - Any fix?
Greg Stark <gsstark@mit.edu>
From: Greg Stark <gsstark@mit.edu>
To: pgsql-general@postgresql.org
Date: 2004-12-28T17:50:41Z
Lists: pgsql-general
Eric Brown <eric.brown@propel.com> writes: > My application is multi-threaded and I could care less about the concurrency > afforded by MVCC. I'd rather just update the things in place and get less > postgresql concurrency but more consistent long-running performance and disk > space utilization. Postgres uses MVCC for guaranteeing that it can roll back transactions too... > Is my interpretation correct? > Is there a way to turn off MVCC? > Do fixed sized rows help any? Postgres doesn't do anything special for fixed size rows. I would suggest you look at pg_autovacuum, but in general while a maintenance-free system is everyone's goal it's pretty far off. -- greg