Date: Mon, 21 Feb 2005 14:38:41 -0600 From: Eric Anderson <anderson@centtech.com> To: David Rice <drice@globat.com> Cc: Robert Watson <rwatson@freebsd.org> Subject: Re: High traffic NFS performance and availability problems Message-ID: <421A46D1.1010003@centtech.com> In-Reply-To: <200502211234.51976.drice@globat.com> References: <Pine.NEB.3.96L.1050219121641.67347L-100000@fledge.watson.org> <200502211234.51976.drice@globat.com>
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David Rice wrote: > Here are the snapshots of the output you requested. These are from the NFS > server. We have just upgraded them to 5.3-RELEASE as so many have recomended. > Hope that makes them more stable. The performance still needs some attention. [..snip..] > Disks amrd0 da0 pass0 pass1 pass2 intrn 100 0: clk > KB/t 22.41 0.00 0.00 0.00 0.00 114288 buf > tps 602 0 0 0 0 510 dirtybuf > MB/s 13.16 0.00 0.00 0.00 0.00 70235 desiredvnodes > % busy 100 0 0 0 0 I think you are spindle bound - looks like the disk is maxed (heavy writes?). What kind of disk subsystem do you have? Eric -- ------------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology I have seen the future and it is just like the present, only longer. ------------------------------------------------------------------------
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