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Re: Postgres, fsync and RAID controller with 100M of internal cache & dedicated battery - Mailing list pgsql-general

From Scott Marlowe
Subject Re: Postgres, fsync and RAID controller with 100M of internal cache & dedicated battery
Date
Msg-id dcc563d10708221649m469c72d8sb809e89132d66bab@mail.gmail.com
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In response to Re: Postgres, fsync and RAID controller with 100M of internal cache & dedicated battery  ("Dmitry Koterov" <dmitry@koterov.ru>)
List pgsql-general
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On 8/22/07, Dmitry Koterov <dmitry@koterov.ru> wrote:
> Also, the controller is configured to use 75% of its memory for write
> caching and 25% - for read caching. So reads cannot flood writes.

128 Meg is a pretty small cache for a modern RAID controller.  I
wonder if this one is just a dog performer.

Have you looked at things like the Areca or Escalade with 1g or more
cache on them?

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