[OSM-dev] Osmosis Replication Statistics

[Brett Henderson]

Luka Frelih wrote:
>> Selecting the biggest file in the interval (2007072004-2007072008.osc) 
>> and breaking into 1 hour intervals produces the following stats.
>> File                      Size    Duration (run 3 times)
>> 2007072004-2007072005.osc 3160144 4.872s,4.655s,4.985s
>> 2007072005-2007072006.osc 4156641 5.249s,5.185s,4.729s
>> 2007072006-2007072007.osc 5766073 9.204s,8.871s,8.638s
>> 2007072007-2007072008.osc 4584598 4.250s,4.650s,3.983s
>>     
> thanks for posting this!
> so the daily changeset is around 5 meg uncompressed.
>   
It's more like 70MB.  The above changes are for one hour only.
> it would be great to have a midnight query pull this exact info from the 
> live database and put the results into an .osm or .osc file and save it 
> somewhere alongside the planet dump.
>   
It might take a little bit of patience, there are a few issues to iron 
out first.  But it is looking very feasible at the moment.

Cheers,
Brett