[linux-lvm] Performance problem.
spam at tnonline.net
Mon Nov 17 19:18:01 UTC 2003
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.
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