Re: Database Kernels and O_DIRECT

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От Bruce Momjian
Тема Re: Database Kernels and O_DIRECT
Дата
Msg-id 200310151309.h9FD9pr10487@candle.pha.pa.us
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Ответ на Re: Database Kernels and O_DIRECT  (Greg Stark <gsstark@mit.edu>)
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Greg Stark wrote:
> 
> James Rogers <jamesr@best.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@candle.pha.pa.us               |  (610)
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