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morboOffline
Post subject: Aptosid+vserver find process causing server load spikes.  PostPosted: 27.10.2010, 08:56



Joined: 2010-10-27
Posts: 1
Location: sydney
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Hi

Our work server is running 5 vserver guests on an aptosid host kernel. (guests are webservers, mail servers and backup)

I was interested to know what people use for performance monitoring. We use: http://oss.oetiker.ch/mrtg/

However if there is a spike in load average or ram use we have no idea which process is causing the the unusual high load.

What do people here use on their servers for tracking down spikes in cpu, memory or load average?

I dont care if its soomething i have to install on the host machine or each of the guests.

thanks in advance!
 
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slamOffline
Post subject: RE: Aptosid+vserver find process causing server load spikes.  PostPosted: 27.10.2010, 09:32
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We use Nagios, and are very happy with it. It's also very well supported in Debian and available via apt-get install.
Greetings,
Chris

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lotmanOffline
Post subject: RE: Aptosid+vserver find process causing server load spikes.  PostPosted: 27.10.2010, 10:52



Joined: 2010-09-12
Posts: 6
Location: berlin
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Hi,

Nagios is a nice tool but will not help finding peaks in memory/cpu-usage and the processes which are responsible for (you can process performance-infos with nagios, but it is not meant for a detailed performance-monitoring; cactis does this better as far as I know, but I never used that one)

You could go for vmstat first, but you probably have to install sysstat-tools. They allow you great monitoring of ressources and to track down the processes you look for (try pidstat i.e.)

Lotman
 
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