Re: Postgres, fsync and RAID controller with 100M of internal cache & dedicated battery

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От Ron Johnson
Тема Re: Postgres, fsync and RAID controller with 100M of internal cache & dedicated battery
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Msg-id 46CCC343.7000308@cox.net
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Ответ на Re: Postgres, fsync and RAID controller with 100M of internal cache & dedicated battery  ("Dmitry Koterov" <dmitry@koterov.ru>)
Ответы Re: Postgres, fsync and RAID controller with 100M of internal cache & dedicated battery
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On 08/22/07 17:45, Dmitry Koterov 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.

That seems to be a very extreme ratio.  Most databases do *many*
times more reads than writes.

- --
Ron Johnson, Jr.
Jefferson LA  USA

Give a man a fish, and he eats for a day.
Hit him with a fish, and he goes away for good!

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