Date: Sat, 2 Jun 2012 10:54:30 +0200 (CEST) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: Florian Smeets <flo@freebsd.org> Cc: freebsd-hackers@freebsd.org, lev@freebsd.org, Ivan Voras <ivoras@freebsd.org> Subject: Re: SuperPages utilization survey Message-ID: <alpine.BSF.2.00.1206021054120.40882@wojtek.tensor.gdynia.pl> In-Reply-To: <4FC9D420.6010203@FreeBSD.org> References: <jqac8f$6mn$1@dough.gmane.org> <1073159468.20120602121458@serebryakov.spb.ru> <4FC9D420.6010203@FreeBSD.org>
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> You have to explicitly enable it in mysql: > > add "large-pages" to the [mysqld] section of my.cnf what actually this option do in mysql? > > 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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