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shfs and smbd high idle cpu usage

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Can anyone more knowledgeable than me tell me if the idle cpu usage i see on those 2 processes is normal? No active streams, no cron jobs (as far as I am aware), they idle there even after a reboot.

 

Attaching diagnostics and top.

unraid_top.PNG

unraid-diagnostics-20191129-0822.zip

I'm having the same issue with shfs using alot of CPU, any time I load new media to plex, shfs CPU goes sky high and plex gets really slow to the point of not loading.  I'm on 6.8.0 RC7 because 6.7.2 was a mess with high IO wait, but seems like 6.8.0 is just as bad.

tower-diagnostics-20191129-1211.zip

2 hours ago, nerbonne said:

I'm having the same issue with shfs using alot of CPU, any time I load new media to plex, shfs CPU goes sky high and plex gets really slow to the point of not loading.  I'm on 6.8.0 RC7 because 6.7.2 was a mess with high IO wait, but seems like 6.8.0 is just as bad.

tower-diagnostics-20191129-1211.zip 184.32 kB · 0 downloads

How is it if you're not transcoding at the same time?

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND
30086 nobody    20   0 1980108 266880  13300 R 476.5   0.4  22:25.85 Plex Tran+
32559 nobody    20   0 5329376   1.8g  36160 S  52.9   2.9  68:29.85 Plex Medi+

 

Also, why not strictly related is there a reason you're running a 220G docker.img?  You probably don't need more than 20G

So the stream that is already started is able to continue being watched, but no new streams can be started because the server will not respond.  I optimized the database and it seems to be working better.

 

IRT to the 220G docker image, there was a time where I ran out of space, multiple times.  Must have been a log file out of control or something.  I see that docker usage is around 14G so I'll lower it to 20G, thanks for the tip!

  • 1 month later...

<EDIT>

Please ignore, not an unraid problem. Turns out a host was scanning a share 24/7.

</EDIT>

 

I've the same issue since upgrading from 6.7.0 to 6.8.1. All dockers turned off, no clients connected. Idle cpu was 5-10% before the upgrade.

 

Has anyone run into this & fixed it? Minor impact but I hate to lose the capacity.

image.png.93e309a51b961dd030c63007ccd9db05.png

 

Other odd thing is that there's network traffic even though all of the disks are spun down & the I/O counters are at very nearly zero.

 

 

 

 

 

Edited by skoj
Fixed problem.

  • 4 months later...

Having similar issue.  Trying to figure out why my server is using so much power when all the drives are spun down.  How did you get that nice graphic of processes.  It is not top.  Here is my top.

top - 00:39:55 up 15:54,  1 user,  load average: 2.74, 2.04, 1.88
Tasks: 366 total,   1 running, 365 sleeping,   0 stopped,   0 zombie
%Cpu(s):  4.5 us, 11.4 sy,  0.0 ni, 83.8 id,  0.0 wa,  0.0 hi,  0.3 si,  0.0 st
MiB Mem :  32182.9 total,    267.6 free,  10365.1 used,  21550.2 buff/cache
MiB Swap:      0.0 total,      0.0 free,      0.0 used.  20385.8 avail Mem 

 

  PID USER        PR  NI    VIRT       RES          SHR S      %CPU    %MEM     TIME+        COMMAND                                               
11500 root         20   0 1051020    349884   1340 S      65.4      1.1           470:38.53  shfs                                                  
30754 root        20   0 9105560   8.1g         20608 S    29.2     25.8       586:22.35  qemu-system-x86                                       
12026 nobody    20   0   65600    27576     19920 S    22.9      0.1          187:22.22   smbd                                                  
11026 root          20   0  283640   4312        3568 S     0.7        0.0             4:53.21   emhttpd                     

Edited by Joe

  • 1 month later...
On 5/24/2020 at 6:40 AM, Joe said:

Having similar issue.  Trying to figure out why my server is using so much power when all the drives are spun down.  How did you get that nice graphic of processes.  It is not top.  Here is my top.

top - 00:39:55 up 15:54,  1 user,  load average: 2.74, 2.04, 1.88
Tasks: 366 total,   1 running, 365 sleeping,   0 stopped,   0 zombie
%Cpu(s):  4.5 us, 11.4 sy,  0.0 ni, 83.8 id,  0.0 wa,  0.0 hi,  0.3 si,  0.0 st
MiB Mem :  32182.9 total,    267.6 free,  10365.1 used,  21550.2 buff/cache
MiB Swap:      0.0 total,      0.0 free,      0.0 used.  20385.8 avail Mem 

 

  PID USER        PR  NI    VIRT       RES          SHR S      %CPU    %MEM     TIME+        COMMAND                                               
11500 root         20   0 1051020    349884   1340 S      65.4      1.1           470:38.53  shfs                                                  
30754 root        20   0 9105560   8.1g         20608 S    29.2     25.8       586:22.35  qemu-system-x86                                       
12026 nobody    20   0   65600    27576     19920 S    22.9      0.1          187:22.22   smbd                                                  
11026 root          20   0  283640   4312        3568 S     0.7        0.0             4:53.21   emhttpd                     

did you figure it out?

i have same issue

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