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Re: SATA drives performance

From: Greg Smith <greg(at)2ndquadrant(dot)com>
To: Gaël Le Mignot <gael(at)pilotsystems(dot)net>
Cc: Ognjen Blagojevic <ognjen(at)etf(dot)bg(dot)ac(dot)yu>, pgsql-performance(at)postgresql(dot)org
Subject: Re: SATA drives performance
Date: 2009-12-24 16:42:27
Message-ID: (view raw or whole thread)
Lists: pgsql-performance
Gaël Le Mignot wrote:
> This  solution  costs  only  one  extra disk  (which  is  quite  cheap
> nowadays)

I would wager that the system being used here only has enough space to 
house 3 drives, thus the question, which means that adding a fourth 
drive probably requires buying a whole new server.  Nowadays the drives 
themselves are rarely the limiting factor on how many people use, since 
you can get a stack of them for under $100 each.  Instead the limit for 
small servers is always based on the physical enclosure and then 
potentially the number of available drive ports.

Greg Smith    2ndQuadrant   Baltimore, MD
PostgreSQL Training, Services and Support

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