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“Power” represents the power of the Virtual Environment. It is shown
as the RAM size of the computer slash number of Virtual Environments of
this type that can be run on such a computer. In all examples it's assumed, that the system has swap space twice bigger than the RAM, so total virtual memory size is 3*(RAM size). But it's not OpenVZ specific requirement to have so much swap space - you can configure your swap as you usually do in linux and even don't have it at all.
“Helper values” are intermediate values, produced during computation
number of spawned processes and memory consumption.
A computer with 2GB of RAM (+ 4GB swap) can run up to 400 of such Virtual Environments.
Here is an example <code>pstree(1)</code> output inside such a Virtual Environment:
up to 80 network connections.
A computer with 2GB of RAM (+ 4GB swap) can run up to 120 of such Virtual Environmentrs.
=== Example C ===