Re: go for a script! / ex: PostgreSQL vs. MySQL

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От Christopher Kings-Lynne
Тема Re: go for a script! / ex: PostgreSQL vs. MySQL
Дата
Msg-id 3F87932B.4050507@familyhealth.com.au
обсуждение исходный текст
Ответ на Re: go for a script! / ex: PostgreSQL vs. MySQL  (Vivek Khera <khera@kcilink.com>)
Ответы Re: go for a script! / ex: PostgreSQL vs. MySQL
Список pgsql-performance
> NB> shared_buffers = 1/16th of total memory
> NB> effective_cache_size = 80% of the supposed kernel cache.

I think Sean(?) mentioned this one for FreeBSD (Bash code):

echo "effective_cache_size = $((`sysctl -n vfs.hibufspace` / 8192))"

I've used it for my dedicated servers.  Is this calculation correct?

Chris


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