[osmosis-dev] pgsnapshot memory options

[Paul Norman]

On 2014-06-19 12:16 PM, Paul Norman wrote:
> Something else that's come up is that the node store for --wpd is very 
> inefficient. osm2pgsql shows that you can store all the nodes in the 
> planet in ~20GB with its dense/sparse cache, or in ~23GB as a simple 
> flat array (--flat-nodes). Osmosis needed about twice that the last 
> time I checked.

Just as a follow-up, at the end of the nodes stage, Osmosis needed 45GB 
(2^10-based) of RAM, and is entirely CPU-bound during ways.