| From: | "Jim C(dot) Nasby" <decibel(at)decibel(dot)org> |
|---|---|
| To: | Bruno Almeida do Lago <teolupus(at)gmail(dot)com> |
| Cc: | 'Mitch Pirtle' <mitch(dot)pirtle(at)gmail(dot)com>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: PostgreSQL clustering VS MySQL clustering |
| Date: | 2005-01-21 01:30:40 |
| Message-ID: | 20050121013040.GK67721@decibel.org |
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| Lists: | pgsql-performance |
On Thu, Jan 20, 2005 at 10:40:02PM -0200, Bruno Almeida do Lago wrote:
>
> I was thinking the same! I'd like to know how other databases such as Oracle
> do it.
>
In a nutshell, in a clustered environment (which iirc in oracle means
shared disks), they use a set of files for locking and consistency
across machines. So you better have fast access to the drive array, and
the array better have caching of some kind.
--
Jim C. Nasby, Database Consultant decibel(at)decibel(dot)org
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