Date: Thu, 15 Apr 2010 16:38:23 +0200 From: Attila Nagy <bra@fsn.hu> To: Luigi Rizzo <luigi@FreeBSD.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r206497 - in head: sbin/geom/class sbin/geom/class/sched sys/geom/sched sys/modules/geom sys/modules/geom/geom_sched sys/modules/geom/geom_sched/gs_sched sys/modules/geom/geom_sched/gsc... Message-ID: <4BC724DF.7010907@fsn.hu> In-Reply-To: <201004121637.o3CGbjSK080066@svn.freebsd.org> References: <201004121637.o3CGbjSK080066@svn.freebsd.org>
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On 04/12/2010 06:37 PM, Luigi Rizzo wrote: > Bring in geom_sched, support for scheduling disk I/O requests > in a device independent manner. Also include an example anticipatory > scheduler, gsched_rr, which gives very nice performance improvements > in presence of competing random access patterns. > > This is joint work with Fabio Checconi, developed last year > and presented at BSDCan 2009. You can find details in the > README file or at > Are there any plans to bring in something like Linux's ionice (or even better solutions)? Is it possible to do it easily at all (the user and GEOM are seemingly very far from each other)?
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