Date: Wed, 6 May 2009 17:36:11 +0200 (CEST) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: Bill Moran <wmoran@potentialtech.com> Cc: freebsd-performance@freebsd.org, Olivier Mueller <om-lists-bsd@omx.ch>, freebsd-questions@freebsd.org Subject: Re: filesystem: 12h to delete 32GB of data Message-ID: <alpine.BSF.2.00.0905061734380.32591@wojtek.tensor.gdynia.pl> In-Reply-To: <20090506084834.61600c42.wmoran@potentialtech.com> References: <1241610888.16418.64.camel@ompc.insign.local> <20090506084834.61600c42.wmoran@potentialtech.com>
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> means you had 6 million files. df -i would have been more useful in > the output above. > > This brings a number of questions up: > * Are you _sure_ softupdates is enabled on that partition? That's he showed mount output - he has softdeps on. > * Are these 7200RPM disks or 15,000? Again, going to make a big > difference. on 7200 RPM ordinary SATA disk i deleted 15 million files taking 300GB (squid cache) in less than 30 minutes. for sure it's because of his "hardware raid". i've NEVER seen "hardware raid" that is actually faster than non-raid config, or gmirror/gstripe config. usually it's far much slower
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