From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Greg Stark <gsstark(at)mit(dot)edu> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Database Kernels and O_DIRECT |
Date: | 2003-10-15 13:09:51 |
Message-ID: | 200310151309.h9FD9pr10487@candle.pha.pa.us |
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Thread: | |
Lists: | pgsql-hackers |
Greg Stark wrote:
>
> James Rogers <jamesr(at)best(dot)com> writes:
> > >
> > > Someone from Oracle is on there explaining what Oracle's needs are. Perhaps
> > > someone more knowledgable than myself could explain what would most help
> > > postgres in this area.
> >
> >
> > There is an important difference between Oracle and Postgres that makes
> > discussions of this complicated because the assumptions are different.
>
> All the more reason Postgres's view of the world should maybe be represented
> there. As it turns out Linus seems unsympathetic to the O_DIRECT approach and
> seems more interested in building a better kernel interface to control caching
> and i/o scheduling. Something that fits better with postgres's design than
> Oracle's.
Of course, the big question is why Oracle is even there talking to
Linus, and Linus isn't asking to get PostgreSQL involved. If you are
running an open-source project, you would think you would give favor to
other open-source projects. Same with MySQL favortism --- if you are
writing an open-source tool, why favor a database developed/controlled
by a single company?
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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