Collectd is an RRD based tool to collect utilization and usage data for servers and services. While it comes with an OpenVZ plugin it is currently lacking the possibility to monitor OpenVZ beancounters from within a container. Here is my plugin to do just that.Continue reading "OpenVZ beancounter plugin for collectd"
The previous article Optimizing virtual memory in OpenVZ (I) focused on reducing the memory footprint by making the stack size of multithreaded applications smaller than the default. In this article I want to show another hint to reduce the memory usage in OpenVZ or Virtuozzo containers.Continue reading "Optimizing virtual memory in OpenVZ (II)"
In a previous article I wrote about the differences with memory limits between XEN and OpenVZ. It became obvious that virtual memory is a precious resource in OpenVZ or Virtuozzo containers. In this article I show my achievements in reducing the virtual memory footprint inside the container to stay within the limits.Continue reading "Optimizing virtual memory in OpenVZ (I)"