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I am uploading a file geodatabase to ArcGIS Online that is 40MB when unzipped. The resulting feature layer is 170MB. Why is the feature layer so much bigger than the source data? I don't remember running into this in the past. Has there been a change in the last few months?

It appears that the line geometries are taking up about 4.5 times as much space as an AGOL feature layer than as a file geodatabase or shapefile.

  • how are you publishing? – jbalk Nov 7 '17 at 23:57
  • I tried publishing through ArcGIS Pro and through uploading the zipped FGDB and got the same result. – Paul_GIS Nov 9 '17 at 14:02
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If the option to Optimize Layer Drawing is enabled, it will increase the space a layer requires. Disabling it will free up the extra space.

Source: Manage hosted feature layers from the ArcGIS Online Help.

  • Optimize Layer Drawing is not enabled. Thanks for the response though. – Paul_GIS Nov 7 '17 at 21:59

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