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FYI: arcpy.SelectLayerByLocation_management: Leaks more Memory than Edward Snowden

Question asked by bmillerdot on Jun 24, 2013
Latest reply on Jun 26, 2013 by csny490
I have a python toolbox (.pyt) that use "SelectLayerByLocation" inside a loop that is called about 50,000 times. It grabs more and more memory after each call to "SelectLayerByLocation". It starts out processing very quickly but then slows down after about 2 hours of processing. The leak can be plugged by removing the code for the "SelectLayerByLocation" but of course that's not very useful.

When I run the same code outside of ARCMAP and without the toolbox then the program does not leak memory at all.  It completes all of the calls to "SelectLayerByLocation" within a reasonable amount of time.

Is there any way to plug this leak?  I would rather use toolbox so that I don't have to write a custom GUI.

arcpy.SelectLayerByLocation_management(inlayer, "INTERSECT", pointGeo, SearchDistance)

Using ArcMap 10.1 SP1 (Build 3143)