From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Jeff Frost <jeff(at)frostconsultingllc(dot)com> |
Cc: | pgsql-admin(at)postgresql(dot)org |
Subject: | Re: Strange issue with vacuum and temp tables |
Date: | 2008-03-29 00:26:46 |
Message-ID: | 17104.1206750406@sss.pgh.pa.us |
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Lists: | pgsql-admin |
Jeff Frost <jeff(at)frostconsultingllc(dot)com> writes:
> A look at the code revealed that the temp tables were created via normal
> methods, so I'm curious to know if there is a bug regarding temp tables not
> going away on Postgresql-8.2.x after the connection is closed?
You aren't the first to report such a thing, but nobody has the foggiest
idea how it could happen short of a backend crash. Have they had any
crashes lately (or more specifically, around the mod times of those
files, if you checked them)?
Also, were the pg_temp schemas you zapped particularly high-numbered?
Low-numbered ones would get cleaned out on the next use, but if the
crash happened at a peak in the number of active backends it's easy
to believe the files might hang around for awhile.
regards, tom lane
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