| From: | Teodor Sigaev <teodor(at)sigaev(dot)ru> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-hackers(at)postgreSQL(dot)org, Russ Brown <pickscrape(at)gmail(dot)com> |
| Subject: | Re: Increase default effective_cache_size? |
| Date: | 2006-09-25 08:11:06 |
| Message-ID: | 45178F1A.3030500@sigaev.ru |
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| Lists: | pgsql-general pgsql-hackers |
> current default of 1000 pages (8Mb) seems really pretty silly for modern
> machines; we could certainly set it to 10 times that without problems,
> and maybe much more. Thoughts?
May be, set by default effective_cache_size equal to number of shared buffers?
If pgsql is configured to use quarter or half of total memory for shared
buffer, then effective_cache_size will have good approximation...
--
Teodor Sigaev E-mail: teodor(at)sigaev(dot)ru
WWW: http://www.sigaev.ru/
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