Re: Frequently updated tables

From: Mark Kirkwood <markir(at)coretech(dot)co(dot)nz>
To: pgsql(at)mohawksoft(dot)com
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Frequently updated tables
Date: 2004-06-08 22:15:40
Message-ID: 40C63A8C.8040707@coretech.co.nz
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pgsql(at)mohawksoft(dot)com wrote:

>I've been down several roads about how to handle data that has to change
>on a very frequent and rapid manner.
>
>Think about summary tables, WEB session tables, etc. As great as MVCC is
>for the vast majority of uses. The overhead of updates and deletes can
>kill a project that needs to constantly update tables.
>
>
>
>

Are you saying that MVCC has *by design* a higher overhead for updates
and deletes? or are you referring to the gradual loss of performance as
a consequence of many dead tuples?

I am guessing you mean the latter, but best to be sure :-)

regards

Mark

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