Package: src:linux
Version: 3.2.32-1
Severity: important
I originally niticed the issue on Ubuntu 12.04.1, but could reproduce it on
Debian as well.
I upgraded a squeeze system to testing and found that NFS access
creates a high load on the NFS server. A single client machine with
a single
Sorry, I had a typo. It should have read:
The only change that I found was using -o proto=udp when mounting .
(instead of tcp which seems to be the default)
Is that with TCP or UDP?
Made a simple mount without specifying any options. So I guess the default
would be TCP because specifying UDP made a difference in previous tests,
right?
--Karsten
Can you also measure the speed at which the client can write, when the
server is running each of the two kernel versions? If the client can
write twice as fast (for example) then it should be OK to use twice as
high a percentage of CPU time on the server, as the total CPU time
needed for a
Unforunately I could not follow up on the issue anymore because I had to
get my systems back into a running state.
If nobody else can reproduce it on Debian, then it is possible that the
issue was indeed related to Ubuntu only or the specific kernel version used
there. So this bug can probably be
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