Date: Sat, 8 Mar 1997 23:35:14 -0600 (CST) From: Neal Rigney <neal@pernet.net> To: "matthew c. mead" <mmead@goof.com> Cc: Michael Smith <msmith@atrad.adelaide.edu.au>, julian@whistle.com, tom@sdf.com, isp@freebsd.org, hackers@freebsd.org Subject: Re: freebsd as a news server? Message-ID: <Pine.BSF.3.91.970308232838.13584B-100000@jennifer.pernet.net> In-Reply-To: <199703090439.XAA12069@goof.com>
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> Hmm, the disks are far from slow. They're 9G micropolis > SCSI-II fast, "ultra wide" disks. There is, however, one bus. BIG problem there! If I remember Joe Greco's advice, you should have AT LEAST two/three busses. I put history and spool on seperate busses(I'm poor, I can't afford 15 SCSI controllers :) > There's only 5 drives on it. I'm interested in figuring out > what's wrong with the layout. I've got the striping factor set > to 255 blocks (per a suggestion in the docs for ccd). I'll try I've got the interleave set to 1k. I fiddled with the setting a little, and found 1k appeared to give the best performance. If I remember correctly, you want the "average" article to fit in one interleave. I may be way off on that though. With the interleave set to 1k, we're able to keep up with a releatively full feed (we don't get de.* and a couple non-english hierarchies). We've got SCSI time to burn it appears. No problem receiving the feed. Note, however, that we don't have many active feeds out(ok, only 1 "full" feed), and we have a relatively low reader count(we max out at about 45). On the other hand, we don't anywhere NEAR enough drive space(5G now, adding 4 next week). But overall, I don't have any problems. Our response time is good, and the system's not hiccupped in about 6 months. BTW: We're running 2.1.6 now. I don't think 2.1.6 does noatime though(maybe I'm just being dense here?) > to have a looksee at the archives of -hackers. Would be nice to > be able to get mailbox file format archives, though. :-) Thanks > for your reply! -- Neal Rigney, PERnet Communications, (409)729-4638 neal@mail.pernet.net
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