| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "D Kavan" <bitsandbytes88(at)hotmail(dot)com> |
| Cc: | pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: vacuumdb -a -f |
| Date: | 2005-08-16 01:31:01 |
| Message-ID: | 20069.1124155861@sss.pgh.pa.us |
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| Lists: | pgsql-admin |
"D Kavan" <bitsandbytes88(at)hotmail(dot)com> writes:
> Even though I run vacuumdb -a -f every night with no exceptions or problems,
> my database size remains 5.6 GB. After I do a dump/restore, the new
> database size is 4.0 GB. How could that be possible?
The extra 1.6GB probably represents the amount of junk you generate in
one day. So, forget the -f and instead do plain vacuums on a more
frequent basis. Make sure your FSM settings are large enough, too.
regards, tom lane
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