mapnik/mapnik — Issue #1027: optimizing xml loading
Author: springmeyer
Created: 2012-01-13 22:17:56+00:00
State: open
Labels: performance

Map loading speed is not very important because map's should be cached and re-used by high performance calling applications.

But, in the case of TileMill, maps are constantly being re-loading from XML (at this point), rather than having layer based refresh. It appears that particularly under high concurrency the locale locking within ptree::stream_translator is expensive: