[OSM-talk] Tiles at home tile processing time stats?

Robert (Jamie) Munro rjmunro at arjam.net
Sat Apr 28 00:14:06 BST 2007


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Ulf Lamping wrote:
> Hi List!
> 
> The current t at h stats page at 
> http://dev.openstreetmap.org/~ojw/Log/Requests/ shows the stats about 
> the number of tiles processed in the past day / week.
> 
> In addition to this, would it be possible to show an average of the time 
> a tile needed to be processed - from the time it was requested by the 
> user until it was available for download (including waiting in the queue)?
> 
> 
> Usually, after uploading some edits in JOSM, I'll request the 
> corresponding tiles in t at h and maplint layers and wait for a while to 
> see how my changes are rendered.
> 
> Lately I've seen wide differences when these tiles we're ready, from 
> about 5-30 mins.
> 
> 
> So it would help if these stats would give at least a rough estimation 
> of the current t at h load - in the meaning of an estimated tile processing 
> time. If every tile in the last hour needed at least 30 mins to be 
> processed, it doesn't make sense for me to try an update every few mins 
> to see if the changes are already online.

The variation is due to the complicated-ness of the specific area being
rendered, and to a lesser extent which node is rendering it (different
nodes are different people's computers), not how busy the system is overall.

Robert (Jamie) Munro
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