From mboxrd@z Thu Jan 1 00:00:00 1970 From: Spam Message-ID: <19014718796.20031118021657@tnonline.net> Subject: Re: [linux-lvm] Performance problem. In-Reply-To: <20031118020523.65476a55.neuron@hollowtube.mine.nu> References: <3FB8F8A1.1060004@clin.ucl.ac.be> <1069087854.2408.0.camel@localhost.localdomain> <20031117181007.00e15a29.neuron@hollowtube.mine.nu> <3252989968.20031117183528@tnonline.net> <20031117191324.2047dbf3.neuron@hollowtube.mine.nu> <11955855390.20031117192313@tnonline.net> <20031117193054.5dd7eec1.neuron@hollowtube.mine.nu> <6557103468.20031117194401@tnonline.net> <20031117195218.3093c921.neuron@hollowtube.mine.nu> <15458132953.20031117200111@tnonline.net> <20031117200500.08c5c876.neuron@hollowtube.mine.nu> <003601c3ad5d$c74c8370$6402000a@gasaraki> <13712767906.20031118014426@tnonline.net> <20031118020523.65476a55.neuron@hollowtube.mine.nu> MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-lvm-admin@sistina.com Errors-To: linux-lvm-admin@sistina.com Reply-To: linux-lvm@sistina.com List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: Date: Mon Nov 17 19:18:01 2003 List-Id: Content-Type: text/plain; charset="us-ascii" To: neuron I am afraid I do not have much else to suggest other than trying the new 2.6.0-test9 kernel with device mapper. I am running it and so far it is very stable (and quick). > ftp to localhost > starts on 10.2mb/sec, goes stable for a short while, then stops > for a few seconds (4-5), then continues in about 5-6 until the > transfer is complete. > all my stuff are on seperate irq's. > when I copy, "system" load skyrockets, 60-85%. > lftp and glftpd is the processes using resources. I could try > smb aswell, but I'm guessing I'll find that eating my system > resources aswell. >> >> Hm. You seem to have quite the problem :( Could it be that some >> logging is turned on and spewing data as soon as you copy larger >> files etc? Have you looked on CPU usage while copying, or looked on >> IRQ assignments (NIC might share with IDE controller)? >> >> Could also be NIC that is not using a good driver? I have had that >> before both with Intel and RealTek cards. Actually, when you >> mention it there are two Intel Pro 100 drivers in the kernel (Donald >> Becker and Intel original I think). Try switching between the two. >> >> Did you try Samba or FTP locally? If that works good then it is most >> likely something to do with the networking parts of your system. >> > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/