Re: SSDs with Postgresql? - Mailing list pgsql-general

From Florian Weimer
Subject Re: SSDs with Postgresql?
Date
Msg-id 82sjt2a5gy.fsf@mid.bfk.de
Whole thread Raw
In response to Re: SSDs with Postgresql?  (Michael Nolan <htfoot@gmail.com>)
Responses Re: SSDs with Postgresql?
List pgsql-general
* Michael Nolan:

> If you archive your WAL files, wouldn't that give you a pretty good
> indication of write activity?

WAL archiving may increase WAL traffic considerably, I think.  Fresh
table contents (after CREATE TABLE or TRUNCATE) is written to the log
if WAL archiving is active.  This would have a significant performance
impact on some of our loads.

--
Florian Weimer                <fweimer@bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99

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