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Bug

Performance of arcpy.ListRasters is several times slower than arcpy.ListFiles, especially over the network path's Universal Naming Convention (UNC).

Last Published: August 23, 2022 ArcGIS Pro
Bug ID Number BUG-000151716
SubmittedAugust 19, 2022
Last ModifiedSeptember 5, 2025
Applies toArcGIS Pro
Version found3.0
Operating SystemWindows OS
Operating System Version10.0
StatusIn Product Plan

Workaround

Use arcpy.ListFiles instead of arcpy.ListRasters.

Steps to Reproduce

Bug ID: BUG-000151716

Software:

  • ArcGIS Pro

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