[lxc-users] lxd process using lots of CPU

[Tomasz Chmielewski]

On 2017-03-10 03:16, Stéphane Graber wrote:

> Hmm, then it matches another such report I've seen where some of the
> threads are reported as using a lot of CPU, yet when trying to trace
> them you don't actually see anything.
> 
> Can you try to run "strace -p" on the various threads that are reported
> as eating all your CPU?
> 
> The similar report I got of this would just show them stuck on a futex,
> which wouldn't explain the CPU use. And unfortunately it looked like
> tracing the threads actually somehow fixed the CPU problem for that
> user...
> 
> 
> If you just want the problem gone, "systemctl restart lxd" should fix
> things without interrupting your containers, but we'd definitely like 
> to
> figure this one out if we can.

Yes, restarting lxd fixed it.

stracing different threads was showing a similar output to what I've 
pasted before. Stuck in some kind of loop?


Tomasz Chmielewski
https://lxadm.com