Messages in this thread | | | Date | Tue, 19 Oct 2004 12:38:23 -0400 | From | Jeff Garzik <> | Subject | Re: 2.6.9: performance issues on Via Epia |
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Alistair John Strachan wrote: > Hi, > > I recently upgraded from 2.6.8.1 to 2.6.9 (the release, not -final) on my Via > Epia 5000 router. Now when I transfer files from the machine's HD vsftpd can > only achieve 3MB/s. > > I believe this is some performance problem specifically related to XFS, or > something specific to the local VM, because if I transfer from an NFS mounted > directory on the same machine, vsftpd easily achieves the 10MB/s I'm used to. > > Top shows something typical to this during transfers from the machine's local > HD; > > Cpu(s): 0.7% us, 9.2% sy, 0.0% ni, 0.3% id, 84.5% wa, 5.3% hi, 0.0% si > > Which seems like an awful lot of wait time. Anybody got any suggestions of > where to start reverting patches? The amount of difference between 2.6.8.1 > and 2.6.9 is quite daunting. > > By the way, copying a file locally on the system from the same partition to > another directory is far more efficient. > > [root] 16:02 [~] time cp /var/cache/swapfile here > `/var/cache/swapfile' -> `here'
check ethernet too...
Jeff
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