Re: PostgreSQL crashes with Qmail-SQL

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: Justin Clift <justin(at)postgresql(dot)org>, Michael Devogelaere <michael(at)digibel(dot)be>, Jan Wieck <janwieck(at)yahoo(dot)com>, Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com>, PostgreSQL Hackers Mailing List <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: PostgreSQL crashes with Qmail-SQL
Date: 2002-01-25 01:14:44
Message-ID: 21605.1011921284@sss.pgh.pa.us
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Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> We added some PostgreSQL code to touch the socket file during
> checkpoints, and I thought that was in 7.1.

You're thinking about the socket lock file, which is a plain file.

The problem with socket files is that the file mod time usually doesn't
change even when it's in active use. That's why things like
/tmp-scrubbers need to make an exception for socket files.

regards, tom lane

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