blank image request takes forever to load

05-08-2020 01:38 PM
Occasional Contributor

what exactly is this request doing and why does it take 20-30 seconds to return a blank image?


it's killing my site's performance

enterprise server v10.8

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Esri Contributor

Hello Eric Kriener‌,

There could be multiple reasons why it takes 20-30 seconds to return an image. If possible I would recommend making the request from REST on the ArcGIS Server machine. This would eliminate any network latency between client and server.

How To: Execute a Export Web Map task operation from the REST endpoint 

Another main factor in this process is the location of the service source data in relation to ArcGIS Server. What is the data source for the map service (e.g. reference, copied, file geodatabase, enterprise geodatabase)? Is the map service cached or dynamic?



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