Date: Fri, 23 Mar 2007 12:48:34 -0700 From: "Aaron Seelye" <aseelye-lists@eltopia.com> To: "Sally Janghos" <list@deeboz.ca> Cc: freebsd-performance@freebsd.org Subject: Re: Where to troubleshoot Intel PRO/1000 performance problems? Message-ID: <007801c76d84$3f268c30$a001a8c0@Seelye> References: <006101c76cda$313892d0$da11e00a@Seelye> 20070323181437.GA94251@deeboz.ca
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So how about any irq conflicts? tried netcat from this machine to another and vice versa? duplexing/cabling problems? ----- Original Message ----- From: "Sally Janghos" <list@deeboz.ca> To: "Aaron Seelye" <aseelye-lists@eltopia.com> Cc: <freebsd-performance@freebsd.org> Sent: Friday, March 23, 2007 11:14 AM Subject: Re: Where to troubleshoot Intel PRO/1000 performance problems? > Aaron, > > Thanks for your reply. Here is some output from some dd's on the disk > that I'm reading/writing to. > >> dd if=/dev/zero of=testfile count=1000000;dd if=testfile of=/dev/null > 1000000+0 records in > 1000000+0 records out > 512000000 bytes transferred in 27.951769 secs (18317267 bytes/sec) > 1000000+0 records in > 1000000+0 records out > 512000000 bytes transferred in 16.864945 secs (30358830 bytes/sec) >> dd if=/dev/zero of=testfile count=1000000 ; dd if=testfile of=/dev/null > 1000000+0 records in > 1000000+0 records out > 512000000 bytes transferred in 28.492921 secs (17969376 bytes/sec) > 1000000+0 records in > 1000000+0 records out > 512000000 bytes transferred in 16.605797 secs (30832607 bytes/sec) > > Am I reading right, the max network transfer rate from this disk will be > between 143Mbit and 246Mbit/sec? Is there a way to determine if there is > an IRQ conflict? How do you find out what IRQ's are currently used by the > system? > > Sally > > Thu, Mar 22, 2007 at 04:31:16PM -0700, Aaron Seelye wrote: >> If it's platform agnostic, I'd start looking for IRQ conflicts. It would >> seems that your test all involve disk io, check that first and narrow >> down >> that it's a network or disk problem. You may have a bum raid card, irq >> conflict on the network card, any number of things. >> >> -Aaron >> ----- Original Message ----- >> From: "Sally Janghos" <list@deeboz.ca> >> To: <freebsd-performance@freebsd.org> >> Sent: Thursday, March 22, 2007 10:16 AM >> Subject: Where to troubleshoot Intel PRO/1000 performance problems? >> >> >> >I'm looking for some suggestions on where to start troubleshooting >> >performance issues on a Intel PRO 1000 card. >> > >> >It's installed in a box with the following configuration: >> >FreeBSD 6.1 >> >AMD Athlon(tm) XP 2100+ (1741.42-MHz 686-class CPU) >> >Dell CERC SATA RAID 2 >> > >> >The file transfer(ftp/smb/scp) speeds from/to this machine do not appear >> >to go above 10Mb. The other machine >> >doing the transfers has similar specs(same Ethernet Card) but is a >> >Windows >> >XP box. I've tried replacing the switch with >> >a crossover cable between the machines and the same speed persists. Any >> >suggestions on where to start and what tools >> >should I use to do the benchmarks? >> > >> >Thanks, >> > Sally >> >_______________________________________________ >> >freebsd-performance@freebsd.org mailing list >> >http://lists.freebsd.org/mailman/listinfo/freebsd-performance >> >To unsubscribe, send any mail to >> >"freebsd-performance-unsubscribe@freebsd.org" >> > >> > >> >-- >> >No virus found in this incoming message. >> >Checked by AVG Free Edition. >> >Version: 7.5.446 / Virus Database: 268.18.17/730 - Release Date: >> >3/22/2007 >> >7:44 AM >> > >> > >> > > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.446 / Virus Database: 268.18.17/730 - Release Date: 3/22/2007 > 7:44 AM > >
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