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Wednesday, 5 May 2010

Monitor resources usage of VPS

Posted on 18:26 by Unknown
1. Monitoring System Resources Consumption :

It is possible to check the system resource control parameters statistics from within a Container. The primary use of these statistics is to understand what particular resource has limits preventing an application to start. Moreover, these statistics report the current and maximal resources consumption for the running Container. This information can be obtained from the /proc/user_beancounters file.

command #vzctl exec 101 cat /proc/user_beancounters


The failcnt column displays the number of unsuccessful attempts to allocate a particular resource. If this value increases after an application fails to start, then the corresponding resource limit is in effect lower than is needed by the application.

The held column displays the current resource usage, and the maxheld column – the maximal value of the resource consumption for the last accounting period. The meaning of the barrier and limit columns depends on the parameter and is explained in the UBC guide.

Inside a CT, the /proc/user_beancounters file displays the information on the given CT only, whereas from the Hardware Node this file displays the information on all the CTs.
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