How the memory usage shoots up in a VPS when you create virtual hosts


The server was running on port 80 and serving a single domain on the VPS. I `a2ensite`-ed  2 domains  running on different ports. Mind you, the server was rendering nothing beyond static html files containing `hello world` messages.

You can see the server running calmly at 2.5MBs and after creating those domains, the memory rises beyond 12.5MBs.

That’s nearly 6 times.

In the coming weeks I’ll hunt for some data around this to present the full case: memory usage with virtual hosts.

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