topic YAOMI WECFS: Yet Another Out of Memory Issue While Executing Closest Facility Solver in ArcGIS Network Analyst Questions https://community.esri.com/t5/arcgis-network-analyst-questions/yaomi-wecfs-yet-another-out-of-memory-issue-while/m-p/361801#M3387 <HTML><HEAD></HEAD><BODY><P>Hello everyone,</P><P></P><P>I'm facing an Out of Memory issue with pretty massive 'Closest Facility' calculations: 34,000+ incidents (major roads' centroids) x 79 destinations (firestations).</P><P>The Python script execution failed after 37 minutes: the log file indicated that destinations and incidents feature classes had been loaded into memory and that the solver had begun calculations.</P><P></P><P>Settings:</P><UL><LI>16 Gb RAM</LI><LI>Windows 8 Enterprise (64 bits)</LI><LI>Intel Core Quad CPU Q9650 3.00 GHz</LI><LI>ArcGIS for Desktop 10.2.2.3552 - Advanced licence</LI><LI>Network Analyst for ArcGIS 10.2.2</LI><LI>Inhouse Road Network (100,000+ segments - 4,500 sq km)</LI></UL><P></P><P>I've read a couple of similar posts on GeoNet blog but pretty much all are from 2011 and the "chunking" method is outdated since ArcGIS 10.</P><P></P><P>I'll be glad to read any feedback on similar issues and get some hints on how to overcome them. All the more than I'll have to compute on a 3-time more massive dataset!</P><P></P><P>Thanks a lot in advance.</P><P></P><P>- Yann</P><P></P><P></P><P>PS: I used to perform this kind of calculations with Avenue scripts on ArcView GIS 3.2 with Network Analyst 1.0... It usually took 12 hours to run <SPAN style="text-decoration: underline;">successfully.</SPAN> Hope I won't have to migrate back from Python to Avenue, from 10.2 to 3.2! <IMG src="https://community.esri.com/legacyfs/online/emoticons/wink.png" /></P></BODY></HTML> Thu, 01 Oct 2015 13:49:58 GMT YannKACENELEN 2015-10-01T13:49:58Z YAOMI WECFS: Yet Another Out of Memory Issue While Executing Closest Facility Solver https://community.esri.com/t5/arcgis-network-analyst-questions/yaomi-wecfs-yet-another-out-of-memory-issue-while/m-p/361801#M3387 <HTML><HEAD></HEAD><BODY><P>Hello everyone,</P><P></P><P>I'm facing an Out of Memory issue with pretty massive 'Closest Facility' calculations: 34,000+ incidents (major roads' centroids) x 79 destinations (firestations).</P><P>The Python script execution failed after 37 minutes: the log file indicated that destinations and incidents feature classes had been loaded into memory and that the solver had begun calculations.</P><P></P><P>Settings:</P><UL><LI>16 Gb RAM</LI><LI>Windows 8 Enterprise (64 bits)</LI><LI>Intel Core Quad CPU Q9650 3.00 GHz</LI><LI>ArcGIS for Desktop 10.2.2.3552 - Advanced licence</LI><LI>Network Analyst for ArcGIS 10.2.2</LI><LI>Inhouse Road Network (100,000+ segments - 4,500 sq km)</LI></UL><P></P><P>I've read a couple of similar posts on GeoNet blog but pretty much all are from 2011 and the "chunking" method is outdated since ArcGIS 10.</P><P></P><P>I'll be glad to read any feedback on similar issues and get some hints on how to overcome them. All the more than I'll have to compute on a 3-time more massive dataset!</P><P></P><P>Thanks a lot in advance.</P><P></P><P>- Yann</P><P></P><P></P><P>PS: I used to perform this kind of calculations with Avenue scripts on ArcView GIS 3.2 with Network Analyst 1.0... It usually took 12 hours to run <SPAN style="text-decoration: underline;">successfully.</SPAN> Hope I won't have to migrate back from Python to Avenue, from 10.2 to 3.2! <IMG src="https://community.esri.com/legacyfs/online/emoticons/wink.png" /></P></BODY></HTML> Thu, 01 Oct 2015 13:49:58 GMT https://community.esri.com/t5/arcgis-network-analyst-questions/yaomi-wecfs-yet-another-out-of-memory-issue-while/m-p/361801#M3387 YannKACENELEN 2015-10-01T13:49:58Z