| From: | Andrew Sullivan <ajs(at)crankycanuck(dot)ca> |
|---|---|
| To: | pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: full vacuum - resources - scaling |
| Date: | 2006-05-30 14:58:28 |
| Message-ID: | 20060530145828.GB20300@phlogiston.dyndns.org |
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| Lists: | pgsql-admin |
On Tue, May 30, 2006 at 09:44:22AM -0400, Mr. Dan wrote:
> Hi,
>
> I have noticed that my full vacuum and re-index script is taking a day and
> a half instead of 1/2 day.
> Recently, the size of my database cluster has doubled to 130 GB. Would
> anyone recommend increasing one or more of these to help get my full
> vacuums to run a little faster?
What Alvaro said. I'll also point out, however, that in my
experience, VACUUM FULL time does not increase linearly with database
size. I suspect this is because of the cost of reorganising so much
more data, but I haven't done any real analysis of it.
The main thing is, "Don't do vacuum full."
A
--
Andrew Sullivan | ajs(at)crankycanuck(dot)ca
The whole tendency of modern prose is away from concreteness.
--George Orwell
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