| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
| Cc: | "Matthew T(dot) O'Connor" <matthew(at)zeut(dot)net>, pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] Autovacuum loose ends |
| Date: | 2005-08-10 03:24:40 |
| Message-ID: | 21937.1123644280@sss.pgh.pa.us |
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| Lists: | pgsql-hackers pgsql-patches |
Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> writes:
> Hmm. I have a patch for this, but now that it's ready, I wonder if it's
> really needed. If I understand vacuum_set_xid_limits() correctly, it's
> very difficult for the vacuumxid to be far behind the freeze limit.
Umm ... they can be close together, or a billion XIDs apart, depending
on whether the FREEZE option was used.
regards, tom lane
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