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Hello, i want to set up an instance of Nominatim with the full data from Europe, or at least just for Italy, but i need to make an estimation of the hardware requirements (especially RAM and HDD/SSD Size) for the machine that will be used to deploy it; |
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As a rule-of-thumb you can take the size of the PBF for the planet and the size of the PBF for your extract, do a simple linear interpolation of RAM and disk size and round up a bit. So for Europe and Italy something like that:
RAM is always a lower bound. Having more RAM never hurts. For disk space add a fixed 80GB for the flat node file if you use one (strongly recommended for planet and europe). If you want to run updates, add 10% disk space for index bloat and on top of that 10% database growth per year. |
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As a rule-of-thumb you can take the size of the PBF for the planet and the size of the PBF for your extract, do a simple linear interpolation of RAM and disk size and round up a bit. So for Europe and Italy something like that:
RAM is always a lower bound. Having more RAM never hurts. For disk space add a fixed 80GB for the flat node file if you use one (strongly recommended for planet and europe). If you want to run updates, add 10% disk space for index bloat and on top of that 10% database growth per year.