Hi,
I've got a Wandboard Quad running Fedora 22 (current as of yesterday).
This box is a MythTV backend. It's also running an NFS server to serve
the 2 TB Sata drive connected to store my recordings.
I noticed that the nfs server processes are spinning, even when there
are no clients attached. Here's an output from top:
top - 16:19:30 up 23:36, 1 user, load average: 2.79, 2.75, 2.66
Tasks: 118 total, 5 running, 113 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.3 us, 38.5 sy, 0.0 ni, 40.7 id, 0.0 wa, 0.0 hi, 20.6 si, 0.0 st
KiB Mem : 2064876 total, 62132 free, 73572 used, 1929172 buff/cache
KiB Swap: 249852 total, 249432 free, 420 used. 1935800 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1024 root 20 0 0 0 0 R 77.6 0.0 1154:25 nfsd
1023 root 20 0 0 0 0 R 76.6 0.0 1150:27 nfsd
3 root 20 0 0 0 0 R 47.4 0.0 602:37.59 ksoftirqd/0
60 root 20 0 0 0 0 R 13.8 0.0 36:23.26 kswapd0
981 root 20 0 356948 29000 18440 S 4.6 1.4 158:47.23 mythbackend
13 root 20 0 0 0 0 S 1.0 0.0 10:25.97 ksoftirqd/1
18 root 20 0 0 0 0 S 1.0 0.0 9:19.12 ksoftirqd/2
8556 root 20 0 8908 3556 3060 R 1.0 0.2 0:00.16 top
Any idea why NFS is spinning like this? I haven't noticed this on my
x86-based Fedora servers.
-derek
--
Derek Atkins 617-623-3745
derek@xxxxxxxxx www.ihtfp.com
Computer and Internet Security Consultant
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