RE: Beta 6 Regression results on Redat 7.0.

From: "Mikheev, Vadim" <vmikheev(at)SECTORBASE(dot)COM>
To: "'Tom Lane'" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, The Hermit Hacker <scrappy(at)hub(dot)org>
Cc: Lamar Owen <lamar(dot)owen(at)wgcr(dot)org>, pgsql-hackers(at)postgresql(dot)org
Subject: RE: Beta 6 Regression results on Redat 7.0.
Date: 2001-03-21 00:44:17
Message-ID: 8F4C99C66D04D4118F580090272A7A234D333B@sectorbase1.sectorbase.com
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> I think the problem is that BufferSync unconditionally does PinBuffer
> on each buffer, and holds the pin during intervals where it's released
> BufMgrLock, even if there's not really anything for it to do on that
> buffer. If someone else is running FlushRelationBuffers then it's
> possible for that routine to see a nonzero pin count when it looks.
>
> Vadim, what do you think about how to change this? I think this is
> BufferSync's fault not FlushRelationBuffers's ...

I'm looking there right now...

Vadim

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