Run PostgreSQL in a ram disk

At a a project I am heavily relying on PostgreSQL in the unit tests. This works fine but creating and dropping databases takes quite a while which goes against the purpose of unit tests. One simple solution to this is to run PostgreSQL in a RAM disk which will make IO-heavy operations a snap.


Nagios Plugin to check memory consumption

For some reason the Nagios package in Debian / Ubuntu does not provide a plugin to check the memory consumption so I built a simple script to do that. It ignores swap space (since if your machine starts swapping you’re lost anyway) and caches (it’s nice to have memory available for caches but this isn’t really required). That way only the real memory consumption is checked and if that passes a certain threshold you can rest assured that you’re in for trouble.


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