Re: Concurrent-update problem in bufmgr.c

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>
Cc: pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: Concurrent-update problem in bufmgr.c
Date: 2000-09-25 00:30:20
Message-ID: 15587.969841820@sss.pgh.pa.us
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Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp> writes:
> This seems to be almost same as I posted 4 months ago(smgrwrite()
> without LockBuffer(was RE: ...).

You are right, this was already a known issue (and I had it buried in
my to-do list, in fact). I rediscovered it while puzzling over some
of the corrupted-data reports we've seen lately.

I'll go ahead and make the change in current sources. Does anyone
have a strong feeling about whether or not to back-patch it into
REL7_0 branch for the upcoming 7.0.3 release?

regards, tom lane

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