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Bug#600871: nfs-common: Very slow and unreliable performance of GUI(KDE) when /home nfs mounted



On October 25, 2010 15:45:56 Ben Hutchings wrote:
> On Thu, Oct 21, 2010 at 11:45:45AM -0500, Oleksiy Vasylyuk wrote:
> [...]
>
> > xxx.xxx.xxx.xx1:/home /net/home nfs
> > rw,relatime,vers=3,rsize=8192,wsize=8192,namlen=255,hard,posix,proto=tcp,
> >timeo=600,retrans=2,sec=sys,mountaddr=xxx.xxx.xxx.xxx,mountvers=3,mountpor
> >t=48208,mountproto=udp,addr=xxx.xxx.xxx.xxx 0 0 xxx.xxx.xxx.xx1:/srv
> > /net/srv nfs
> > rw,relatime,vers=3,rsize=8192,wsize=8192,namlen=255,hard,posix,proto=tcp,
> >timeo=600,retrans=2,sec=sys,mountaddr=xxx.xxx.xxx.xxx,mountvers=3,mountpor
> >t=48208,mountproto=udp,addr=xxx.xxx.xxx.xxx 0 0 xxx.xxx.xxx.xx2:/srv
> > /net/srv1 nfs
> > rw,relatime,vers=3,rsize=32768,wsize=32768,namlen=255,hard,posix,proto=tc
> >p,timeo=600,retrans=2,sec=sys,mountaddr=xxx.xxx.xxx.xxx,mountvers=3,mountp
> >ort=60666,mountproto=udp,addr=xxx.xxx.xxx.xxx 0 0 xxx.xxx.xxx.xx3:/srv
> > /net/srv2 nfs
> > rw,relatime,vers=3,rsize=32768,wsize=32768,namlen=255,hard,posix,proto=tc
> >p,timeo=600,retrans=2,sec=sys,mountaddr=xxx.xxx.xxx.xxx,mountvers=3,mountp
> >ort=35555,mountproto=udp,addr=xxx.xxx.xxx.xxx 0 0 xxx.xxx.xxx.xx4:/srv
> > /net/srv3 nfs
> > rw,relatime,vers=3,rsize=32768,wsize=32768,namlen=255,hard,posix,proto=tc
> >p,timeo=600,retrans=2,sec=sys,mountaddr=xxx.xxx.xxx.xxx,mountvers=3,mountp
> >ort=35555,mountproto=udp,addr=xxx.xxx.xxx.xxx 0 0
>
> [...]
>
> Could you try adding "mountproto=tcp" to the mount options for these?
>
> Ben.
I tried "mountproto=tcp";
cat  /proc/mounts "edited"
xxx.xxx.xxx.xxx:/home /net/home nfs 
rw,relatime,vers=3,rsize=8192,wsize=8192,namlen=255,hard,posix,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=xxx.xxx.xxx.xxx,mountvers=3,mountport=43167,mountproto=tcp,addr=xxx.xxx.xxx.xxx 
0 0
xxx.xxx.xxx.xxx:/srv /net/srv nfs 
rw,relatime,vers=3,rsize=8192,wsize=8192,namlen=255,hard,posix,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=xxx.xxx.xxx.xxx,mountvers=3,mountport=43167,mountproto=tcp,addr=xxx.xxx.xxx.xxx 
0 0
xxx.xxx.xxx.xxx:/srv /net/srv1 nfs 
rw,relatime,vers=3,rsize=32768,wsize=32768,namlen=255,hard,posix,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=xxx.xxx.xxx.xxx,mountvers=3,mountport=44704,mountproto=tcp,addr=xxx.xxx.xxx.xxx 
0 0
xxx.xxx.xxx.xxx:/srv /net/srv2 nfs 
rw,relatime,vers=3,rsize=32768,wsize=32768,namlen=255,hard,posix,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=xxx.xxx.xxx.xxx,mountvers=3,mountport=41211,mountproto=tcp,addr=xxx.xxx.xxx.xxx 
0 0
xxx.xxx.xxx.xxx:/srv /net/srv3 nfs 
rw,relatime,vers=3,rsize=32768,wsize=32768,namlen=255,hard,posix,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=xxx.xxx.xxx.xxx,mountvers=3,mountport=41211,mountproto=tcp,addr=xxx.xxx.xxx.xxx 
0 0
with:
nfs-common 1:1.2.2-1~bpo50+1
It didn't help, as I experience the same issue.

Oleksiy



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