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Re: [HACKERS] What can we learn from MySQL?

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: "D'Arcy J(dot)M(dot) Cain" <darcy(at)druid(dot)net>
Cc: pg(at)fastcrypt(dot)com, matthew(at)zeut(dot)net, coelho(at)cri(dot)ensmp(dot)fr,pgsql-hackers(at)postgresql(dot)org, pgsql-advocacy(at)postgresql(dot)org
Subject: Re: [HACKERS] What can we learn from MySQL?
Date: 2004-04-23 17:08:30
Message-ID: 200404231708.i3NH8UM19188@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-advocacypgsql-hackerspgsql-www
D'Arcy J.M. Cain wrote:
> On Fri, 23 Apr 2004 11:07:20 -0400
> Dave Cramer <pg(at)fastcrypt(dot)com> wrote:
> > Does the current implementation of pg_autovacuum have a way of setting
> > windows where it is allowed to vacuum? Many large 24/7 will only allow
> > vacuumming at certain times of the day.
> 
> It seems to me that the point of pg_autovacuum would be to run 24/7 so
> that there is never big hit on the system.  Perhaps it could be designed
> to throttle itself based on current system usage though.

Or the number of connected backends, or both?

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

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