> No you bring up a good point. Even though each install is separate, CPU
> useage is still shared out and can't be isolated. If someone makes a
> mistake (say an endless loop) on the dev side and it makes the CPU jump
> up to 100% usage, the production sites are going to suffer.
>
> Now I don't know if you can isolate the processor on Linux (never tried
> it myself) but if you can, then you should be ok.
>
There is ways of creating whole virtual systems on Linux where you can
even give out root since the virtual system is run in a sandbox. However,
whether you use such an approach or not, it is possible to limit the
amount of CPU time a particular user can have.
-Matt
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