Re: [Xen-users] Why does my DomU keep going mad?

[Lyle <webmaster@xxxxxxxxxxxxxx>]

On 26/07/2010 14:44, Adi Kriegisch wrote:
> Hi!
>
>    
> >    I've got a DomU that sometimes goes mad. I can't ssh or usually even
> > console to it. The time I did manage to console I got a load of dumps
> > about being out of memory and swap, but couldn't run any commands to
> > find out which process had gone mad :(
> >      
> You could monitor your services for memory consumption?
> Something like
>    ps -e -orss=,args= | sort -b -k1,1n
> or
>    ps -auxf | sort -nr -k 4
> maybe with
>    ps -auxf | sort -nr -k 4 | head -10
> shows sorted memory consumption by process or you might rather want to use
> a monitoring tool like sar, nagios, or whatever to find out which process
> causes this...
>    
These are useful thanks, although ps doesn't use - (just to be awkward, 
everything else does).
I looked at nagios a few years ago, it looked great, but like I'd have 
to take a week out to set it up. If there anything lightweight I could 
make? I guess I could write a Perl daemon that runs that ps command 
every 10 seconds or something and logs the output to a file... Seems 
like the sort of thing that should all ready be available though...
  Anyone else had an issue like this?


Lyle


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