[OHM] server offline - investigating

[Tim Waters]

Hi,



On 15 August 2016 at 17:21, Andy Townsend <ajt1047 at gmail.com> wrote:
> On 15/08/2016 17:08, Tim Waters wrote:
>>
>> For tileservers generally a fast disk and as much RAM as you can get.
>>
>> http://wiki.openstreetmap.org/wiki/Servers/Tile_CDN  says 32G RAM and
>> disk with 200Gb > 10kRPM speeds.
>
>
> How much data is there in OHM Tim?  My guess that the amount of data is
> significantly less than OSM, and updates and tile accesses are also
> significantly fewer, so the requirement is closer to that needed to serve a
> small OSM extract* rather than render the planet (with all those lovely
> French buildings!)

Yes it is fewer. The database handles both the API and the Tiles
though and we had three tilesets (I think 2 tile dbs)
The postgres data dir was around 155G and a planet is around 1.4G. Not
sure how much a dump is though

Best regards,

Tim



>
> Cheers,
> Andy
>
> * a couple of data points from here - rendering (with 4 threads) and
> updating Great Britain  (~800Mb of .PBF) works acceptably fast enough on a
> "home PC" with around 4Gb memory and < 50Gb disk allocated to it.  Doing
> ~400Mb of .PBF with 2 threads needs < 2Gb memory and < 20Gb disk.
>
>
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