Date: Wed, 06 May 2009 17:02:26 +0200 From: Olivier Mueller <om-lists-bsd@omx.ch> To: Arkadi Shishlov <arkadijs.sislovs@affecto.lv> Cc: freebsd-performance@freebsd.org Subject: Re: filesystem: 12h to delete 32GB of data Message-ID: <1241622146.16418.128.camel@ompc.insign.local> In-Reply-To: <20090506161543.062ba223@hal9000.mebius.lv> References: <1241610888.16418.64.camel@ompc.insign.local> <20090506084834.61600c42.wmoran@potentialtech.com> <20090506161543.062ba223@hal9000.mebius.lv>
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On Wed, 2009-05-06 at 16:15 +0300, Arkadi Shishlov wrote: > Its probably "dirhash' that is not enabled or its cache is too small for the task. $ sysctl -a |grep dirha UFS dirhash 1262 286K - 9715683 16,32,64,128,256,512,1024,2048,4096 vfs.ufs.dirhash_docheck: 0 vfs.ufs.dirhash_mem: 2087495 vfs.ufs.dirhash_maxmem: 2097152 vfs.ufs.dirhash_minsize: 2560 So it's active, but probably too small as you suggest. Can I update this value "on the fly" or does it require a reboot (+ settings in loader.conf) ? regards, Olivier
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