Re: Load sharing question

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От Johnson, Shaunn
Тема Re: Load sharing question
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Msg-id 73309C2FDD95D11192E60008C7B1D5BB04C73EE1@snt452.corp.bcbsm.com
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Ответ на Load sharing question  ("Johnson, Shaunn" <SJohnson6@bcbsm.com>)
Ответы Re: Load sharing question
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-- Thanks for the response.

-- Right now, all I want to do is some load balancing ( I'm
-- sorry ... I should have said this instead of sharing)
-- techniques (reviewing MOSIX docs http://www.mosix.cs.huji.ac.il/).
-- for PostgreSQL.  I just want to spread the workload
-- from one machine to multiple machines and *not* run
-- duplicate versions of the database.

-- I must say, however, that Postgres-R sounds very interesting.

-X

On Mon, Sep 09, 2002 at 12:09:55PM -0400, Johnson, Shaunn wrote:
> Howdy:
>
> Running RedHat Linux 2.4.7-10 and PostgreSQL 7.2.1
> on an Intel box.
>
> Has anyone configured their machines to do load sharing
> (and to a greater extent, clustering) for PostgreSQL?

What, exactly, are you thinking of doing here?  Is this "make a copy
of the database and use it for read-only queries?"  In that case,
it's easy: use one of the myriad replication packages and catch
inbound SELECTs with your client; then just redirect them.  Do 'whois
afilais.info' for a working example of exactly this.

If what you mean is sharing the read and write load across two
database machines, you can't really do that right now.  When
Postgres-R is finished, it should be possible.  But it isn't right
now.

A
--

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