perfSONAR User Q&A and Other Discussion

[Carlo Musante <>]

Andy,

The server is running pS-Performance Toolkit v3.2.2. I guess it's time to 
upgrade.  For the record, netstat reports there is a CLOSE-WAIT state still 
active on the port used by npad. 

tcp        1      0 192.168.1.2:8001            192.168.2.69:40109          
CLOSE_WAIT  

Killing the process dropped the connection.  The server which created the 
connection runs nessus security scans. I suppose it depends to what level the 
nessus scan is trying to intrude into the system as to why the process is 
still running.  Since this is an older version of perfSonar I will upgrade to 
the latest version.

Thanks,


Carlo




----- Original Message -----
From: "Andrew Lake" 
<>
To: "Carlo Musante" 
<>
Cc: 

Sent: Thursday, April 10, 2014 10:13:32 AM
Subject: Re: Npad Issue

Hi,

Copying the perfsonar-user list in case others have insights. I do recall a 
thread about the usage shooting up last year. We hypothesized at the time a 
web crawler or similar was hitting the server and confusing it, but we could 
never confirm. It's made more difficult by the fact that it's unclear who the 
maintainer of the NPAD source is these days. Are you running version 3.3.2 of 
the toolkit? I haven't heard reports in awhile but that doesn't mean people 
have stopped seeing it (just stopped emailing about it). It's also possible 
(though probably unlikely) that if you are running an old version of the 
toolkit that some update fixed it.

Thanks,
Andy





On Apr 10, 2014, at 9:58 AM, Carlo Musante 
<>
 wrote:

> Hi Andy,
> 
> I am seeing a problem with npad and the DiagServer.py process running 
> constantly and shooting up the CPU to 100%. In checking for resolutions I 
> found that you had asked for info from several users having the problem 
> back in August of last year. I couldn't find a resolution posted.  Has 
> something been fixed?
> 
> top - 09:57:14 up 61 days, 21:00,  1 user,  load average: 1.02, 1.04, 1.00
> Tasks: 133 total,   3 running, 121 sleeping,   0 stopped,   9 zombie
> Cpu(s):100.0%us,  0.0%sy,  0.0%ni,  0.0%id,  0.0%wa,  0.0%hi,  0.0%si,  
> 0.0%st
> Mem:   1034660k total,   994180k used,    40480k free,    43988k buffers
> Swap:        0k total,        0k used,        0k free,   611504k cached
> 
>  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND         
>                          
> 3413 npad      15   0 52092 3816 1192 S 98.8  0.4   2330:41 DiagServer.py   
>        
> 
> If you need additional information or if there is a better forum to post 
> this to, please let me know.
> 
> Thanks,
> 
> 
> Carlo
> 
> -- 
> http://security.wayne.edu