Date: Wed, 13 Dec 2006 14:15:53 +0000 From: Dieter <freebsd@sopwith.solgatos.com> To: freebsd-questions@freebsd.org Subject: disk I/O tuning parameters Message-ID: <200612132215.WAA11949@sopwith.solgatos.com>
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I've been experimenting with vfs.hirunningspace and it has some interesting effects. Is there a different, more detailed, description of its effects (and/or similar tuning parameters) than found in http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/configtuning-disk.html Is there a way to limit the runningspace, bufspace, or similar parameters on a per disk, per process, or per file basis rather than system wide? I haven't been able to find anything. I need a way to protect the disk I/O bandwidth of one process from other processes. Having its own disk, and running at rtprio is not sufficient. (See "processes not getting fair share of available disk I/O" thread in -questions for more details.)
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