Date: Tue, 28 Feb 2012 10:43:46 +0100 (CET) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: Andriy Gapon <avg@freebsd.org> Cc: freebsd-hackers@freebsd.org, Grzegorz Kulewski <grzegorz@kulewski.pl> Subject: Re: improving VM - questions Message-ID: <alpine.BSF.2.00.1202281043170.1739@wojtek.tensor.gdynia.pl> In-Reply-To: <4F4C0726.6010804@FreeBSD.org> References: <alpine.BSF.2.00.1202251630560.1436@wojtek.tensor.gdynia.pl> <4F4C0726.6010804@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
>> +++ swap_pager.c 2012-02-25 13:19:51.000000000 +0100 >> @@ -119,7 +119,7 @@ >> * The 32-page limit is due to the radix code (kern/subr_blist.c). >> */ >> #ifndef MAX_PAGEOUT_CLUSTER >> -#define MAX_PAGEOUT_CLUSTER 16 >> +#define MAX_PAGEOUT_CLUSTER 256 >> #endif > [snip] >> but swap_pager.c patch seems not to work. i observe 64kB pageouts, no more. >> >> what is wrong in it? > > Could there be a problem because of what the MAX_PAGEOUT_CLUSTER comment says? right. but still 32 pages is 128kB, but i see 64kB I/Os in systat/vmstat > > -- > Andriy Gapon > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" > >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?alpine.BSF.2.00.1202281043170.1739>