Re: [PERFORM] PostgreSQL clustering VS MySQL clustering

Thu, 20 Jan 2005 20:57:43 -0800

This idea won't work with postgresql only one instance can operate on a datastore at a time.

Dave

Bruno Almeida do Lago wrote: 
 
I was thinking the same! I'd like to know how other databases such as Oracle
do it.

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Mitch Pirtle
Sent: Thursday, January 20, 2005 4:42 PM
To: [email protected]
Subject: Re: [PERFORM] PostgreSQL clustering VS MySQL clustering

On Thu, 20 Jan 2005 09:33:42 -0800, Darcy Buskermolen
<[EMAIL PROTECTED]> wrote:
  
Another Option to consider would be pgmemcache.  that way you just build
    
the
  
farm out of lots of large memory, diskless boxes for keeping the whole
database in memory in the whole cluster.  More information on it can be
    
found
  
at: http://people.freebsd.org/~seanc/pgmemcache/
    

Which brings up another question: why not just cluster at the hardware
layer? Get an external fiberchannel array, and cluster a bunch of dual
Opterons, all sharing that storage. In that sense you would be getting
one big PostgreSQL 'image' running across all of the servers.

Or is that idea too 90's?  ;-)

-- Mitch

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