| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Joe Maldonado <joe(dot)maldonado(at)gmail(dot)com> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: vacuuming strangeness |
| Date: | 2005-10-31 20:29:52 |
| Message-ID: | 18632.1130790592@sss.pgh.pa.us |
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| Lists: | pgsql-general |
Joe Maldonado <joe(dot)maldonado(at)gmail(dot)com> writes:
> The VACUUM process does not seem to be able to exit, instead it seems to be
> stuck in some strange loop for some time.
> Is this something to be expected?
That trace looks perfectly normal. Try increasing vacuum_mem if you
want fewer tuple-removal cycles.
> INFO: "test_table": found 23357083 removable, 200037 nonremovable row
> versions in 442991 pages
> DETAIL: 200000 dead row versions cannot be removed yet.
> There were 23842917 unused item pointers.
Lessee, 37 live rows and 23.5 million dead ones ... you should consider
vacuuming this table a bit more often ;-)
And yes, you will need a VACUUM FULL to get back down to a reasonable
table size.
regards, tom lane
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