From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
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To: | "Mikheev, Vadim" <vmikheev(at)SECTORBASE(dot)COM> |
Cc: | "'Michael A(dot) Olson'" <mao(at)sleepycat(dot)com>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Berkeley DB license |
Date: | 2000-05-16 17:54:21 |
Message-ID: | 200005161754.NAA17773@candle.pha.pa.us |
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Lists: | pgsql-hackers |
> > The group is interested in multi-version concurrency control, so that
> > readers never block on writers. If that's genuinely critical, we'd
> > be willing to see some work done to add it to Berkeley DB, so that it
> > can do either conventional 2PL without versioning, or MV. Naturally,
>
> This would be the first system with both types of CC -:)
>
> Well, so, before replacing anything we would have to add MVCC to BDB.
> I still didn't look at your sources, 'll do in a few days...
Vadim, I thought you said you were going to be doing a new storage
manager for 7.2, including an over-write storage manager that keeps MVCC
tuples in a separate location. Could SDB work in that environment
easier, without having MVCC integrated into SDB?
--
Bruce Momjian | http://www.op.net/~candle
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
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