perfSONAR User Q&A and Other Discussion

[Aaron Brown <>]

Hey Sean,

Are these getting created regularly, or intermittently?

Cheers,
Aaron

On Nov 14, 2014, at 2:43 AM, Sean Crosby 
<>
 wrote:

> Hi,
> 
> I'm noticing quite a lot of zombie processes on our latency node since the 
> upgrade to 3.4.
> 
> The zombie processes are all powstream processes
> 
> [root@ps-latency
>  ~]# ps aux | awk '{ print $11 " " $8 " " $2 }' | grep Z
> [powstream] Zs 12250
> [powstream] Zs 15773
> [powstream] Zs 15784
> [powstream] Zs 17539
> [powstream] Zs 24119
> [powstream] Zs 24131
> [powstream] Zs 25685
> [powstream] Zs 26362
> [powstream] Zs 35252
> [powstream] Zs 37040
> [powstream] Zs 43496
> [powstream] Zs 44754
> [powstream] Zs 45289
> 
> [root@ps-latency
>  ~]# rpm -qa | grep owamp
> owamp-3.4-6.x86_64
> owamp-server-3.4-10.el6.x86_64
> owamp-client-3.4-10.el6.x86_64
> 
> Is this a known issue? I last rebooted the host around 10 days ago due to 
> the same problem. I don't see any zombie processes on our bandwidth node, 
> so it just looks like a owamp problem.
> 
> Cheers,
> Sean
> 
> -- 
> Sean Crosby
> Research Computing System Administrator and Developer
> ARC Centre of Excellence for Particle Physics at the Terascale
> School of Physics | University of Melbourne Vic 3010
> T: +61 3 8344 8093
>