Op donderdag 4 oktober 2007 20:52, schreef u: > On 10/4/07, Rody <[EMAIL PROTECTED]> wrote: > > I'm trying to figure out why moving large files over nfs generates so > > much cpu activity every few seconds. The progress dialog reaches speeds > > my nic can't possibly support (over 20 MB/s) as my nic's are 100 Mbit, > > then dropping back to zero and a few seconds later climbing up to the > > same insane speed and back down again... > > > > I'd rather see my cpu usage at 10 - 20 % during the entire copy/move and > > the progress dialog at 9-10 MB/s as I was used to on redhat9. > > > > I suspect it is some sort of cache that is filled every few seconds, but > > I can't find where exactly. Maybe at kernel level? KDE? > > Nic-configuration? I don't know, it doesn't look like it's related to > > nfs-configuration like the mount options rsize and wsize, as these > > settings don't seem to make a difference. > > I have a similar problem. When I copy files over NFS I also get a > 20-25mb/s speed at first and then it slows down. Also CPU load is > heavy. I have experienced this in both Debian Etch and in Ubuntu > Feisty. I am using rsync, so I don't think it is KDE related. > (although I am using KDE, but not using KDE for the file transfer)
Ok, judging from your experience with rsync, this means i can probably exclude kde from my list of "suspects", leaving the kernel and the nic configuration or driver as my targets for further investigation... -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
