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Re: 8.0.X and the ARC patent

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Simon Riggs <simon(at)2ndquadrant(dot)com>
Cc: Michael Adler <adler(at)pobox(dot)com>,PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>,Mark Wong <markw(at)osdl(dot)org>, Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>,pgsql(at)mohawksoft(dot)com
Subject: Re: 8.0.X and the ARC patent
Date: 2005-03-04 19:42:27
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
Simon Riggs <simon(at)2ndquadrant(dot)com> writes:
> Checkpoint doesn't request new buffers, but it does require the
> BufMgrLock in order to write all of the dirty buffers.

There is no BufMgrLock anymore in the clock-algorithm code, so I'm not
sure how much of this analysis is still relevant.

			regards, tom lane

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