From: | Dawid Kuroczko <qnex42(at)gmail(dot)com> |
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To: | KÖPFERL Robert <robert(dot)koepferl(at)sonorys(dot)at> |
Cc: | pgsql-admin(at)postgresql(dot)org |
Subject: | Re: Stripping raid vs. table spaces |
Date: | 2005-06-09 11:14:09 |
Message-ID: | 758d5e7f050609041433c86c69@mail.gmail.com |
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Thread: | |
Lists: | pgsql-admin |
On 6/9/05, KÖPFERL Robert <robert(dot)koepferl(at)sonorys(dot)at> wrote:
> Short question:
>
> Is it enugh to have stripping on a disk array?
> Are table spaces then of less use than the actual stripping? So will just
> stripping give me more O/I-performance?
Short answer: if you make one striping partition -- you have better
overall performance.
if you distribute tables using tablespaces -- you make tables
performance more independant from other tables. I.e. large
load on one table has less impact on the load on the other
table.
Personally I would keep indexes on one set of drives and data
on other. All depends on your setup.
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