elasticsearch/kibana — pull request #535 by bpezan (2013-09-27 18:54:09+00:00)
Title: improve bettermap panel performance with many markers.

according to the leaflet markercluster page, this should perform better when handling tens of thousands of markers.

https://github.com/Leaflet/Leaflet.markercluster#handling-lots-of-markers

http://leaflet.github.com/Leaflet.markercluster/example/marker-clustering-realworld.50000.html