UI freezes while copying large file via NFS

kalinix calin.kalinix.cosma at gmail.com
Mon Aug 9 21:02:03 UTC 2010

On Mon, 2010-08-09 at 13:45 -0700, Konstantin Svist wrote:
> On 08/09/2010 12:36 PM, Patrick O'Callaghan wrote:
> > I've been copying some large (several GB) files from my local system to
> > a NAS server on my LAN, using NFS.
> >

> > poc
> Usually you see this kind of problem when your HDD is thrashing.
> Try running your copy command with ionice:
> ionice -c3 <command>
> Other things to check:
> * run top in a separate window before you run the freezing command -- 
> see what it says when it works
> * see if tty sessions in Ctrl+Alt+F2..F6 respond any better than the UI

I've seen this too, and tty is almost the same as bad as UI.
As a matter of fact there is an nfs related process eating the processor
(nfs.mount or mount.nfs, if I remember correctly). I'm curious if this
happens only on kde or it can be observed on gnome too.



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