SuperPages utilization survey

[Florian Smeets]

On 02.06.12 10:14, Lev Serebryakov wrote:
> Hello, Ivan.
> You wrote 1 июня 2012 г., 16:23:42:
> 
> IV> http://people.freebsd.org/~ivoras/stuff/spsurvey_desktop.txt
> IV> http://people.freebsd.org/~ivoras/stuff/spsurvey_mixserver.txt
> IV> http://people.freebsd.org/~ivoras/stuff/spsurvey_webserver.txt
>   Home storage server / torrent box:
>   http://lev.serebryakov.spb.ru/_sklad/sps/spsurvey-home-storage-torrents.txt
> 
>   Web/Database/Mail "all-in-one for me and my friends" server:
>   http://lev.serebryakov.spb.ru/_sklad/sps/spsurvey-mixed-web-database-mail.txt
> 
>  I'm surprised by number of "Eligible mappings not promoted" cases :(
> 

You have to explicitly enable it in mysql:

add "large-pages" to the [mysqld] section of my.cnf

Total accounted memory mappings: 7775 MB (1990412 pages)
Memory in superpages: 5414 MB (3 mappings)
	pid: 27208 (mysqld) start: 802400000 stop: 816800000 (324 MB) tp: sw path:
	pid: 27208 (mysqld) start: 816c00000 stop: 945628000 (4842 MB) tp: sw
path:
	pid: 27208 (mysqld) start: 945800000 stop: 955000000 (248 MB) tp: sw path:

Florian


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