Re: Default autovacuum settings too conservative

From: Chris Browne <cbbrowne(at)acm(dot)org>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Default autovacuum settings too conservative
Date: 2006-02-06 22:15:16
Message-ID: 60mzh4i16z.fsf@dba2.int.libertyrms.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-admin pgsql-performance

matthew(at)zeut(dot)net ("Matthew T. O'Connor") writes:
> I think the default settings should be designed to minimize the
> impact autovacuum has on the system while preventing the system from
> ever getting wildly bloated (also protect xid wraparound, but that
> doesn't have anything to do with the thresholds).

That would suggest setting the "base threshold"
autovacuum_vacuum_threshold relatively low, and the "scale factor"
autovacuum_vacuum_scale_factor fairly high.
--
let name="cbbrowne" and tld="ntlug.org" in name ^ "@" ^ tld;;
http://cbbrowne.com/info/nonrdbms.html
I think it may be possible to simplify and condense the content of
this thread somewhat:
"GX is an ex-API. It is no longer supported" - The Rest of Us
"No it isn't. It's just pining for the fjords!" - Lawson
-- Michael Paquette

In response to

Browse pgsql-admin by date

  From Date Subject
Next Message Bruce Momjian 2006-02-07 01:33:30 Re: [HACKERS] Postgres 8.1.x and MIT Kerberos 5
Previous Message Vivek Khera 2006-02-06 20:00:12 Re: Default autovacuum settings too conservative

Browse pgsql-performance by date

  From Date Subject
Next Message Jim C. Nasby 2006-02-07 04:11:05 Re: partitioning and locking problems
Previous Message Andrew Lazarus 2006-02-06 20:36:15 Re: execution plan : Oracle vs PostgreSQL