From: | Brad Nicholson <bnichols(at)ca(dot)afilias(dot)info> |
---|---|
To: | David Harel <hareldvd(at)gmail(dot)com> |
Cc: | postgresql <pgsql-sql(at)postgresql(dot)org> |
Subject: | Re: Capacity planning. |
Date: | 2010-04-01 13:12:51 |
Message-ID: | 1270127571.5155.315.camel@bnicholson-desktop |
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Lists: | pgsql-sql |
On Thu, 2010-03-25 at 16:02 +0200, David Harel wrote:
> Also where can I find docs that can help me make a capacity plan for
> max 100,000 clients making around 200 transactions a day each.
You will need a whole lot more information than that in order to do
capacity planning.
Here are a few questions to get you started
-What is the expected percentage of read vs write transactions.
-Are they small OLTP style writes, or larger ones?
-Do you expect these transactions to be equally distributed over the
day, or do you expect bursts?
-Are you going to be dealing with highly concurrent access, or is it
distributed?
-what is the expected cache hit ratio?
-what is the expected data size? What is the expected growth rate?
--
Brad Nicholson 416-673-4106
Database Administrator, Afilias Canada Corp.
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