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Portal Web Map Layers Partial Render

118
2
2 weeks ago
cmartin_puc
by
New Contributor
2 weeks ago

anyone have experience with portal web maps not rendering all the data?

When panning and zooming around and the map refreshes its like it times out and just stops rendering, and this is only after a few seconds, part of the area/data displays and part doesn't. so a significant zoom out and then it will, but then keep panning around and it will do it again somewhere else.

Caching? Indexing?

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2 Replies
CodyPatterson
by MVP Regular Contributor
MVP Regular Contributor
a week ago

Hey @cmartin_puc 

From my experience, this happens when the server is attempting to load the imagery and geometry on the map. It typically loads in a row style from top to bottom, left to right, this could be a multitude of reasons, most often it's due to the Server having issues keeping up with the loading. I would check to see if you're able to view the logs and see if anything is showing up in there. Along with that, if you have a loadbalancer, it could be balancing incorrectly and failing on a half where it is sent to another server.

Cody

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Todd_Metzler
by
Frequent Contributor
a week ago

Yes.  I've seen this many times for many years.  In addition to investigating your service performance in your logs and, if you have it, ArcGIS monitor, you'll have to look at the consumption/visulization side too and the network paths/bottlenecks to the end user.  What is the web browser?  How is the web browser cache configured?  Do you see the same thing in different web browsers?  Suggest starting small and working outward.  Do you have access to the portal host?  Can you open a web browser on that host?  Do you see the problem here?

Try to reproduce the error using the GUI "+" and "-" option instead of panning and zooming around.  Quickly panning and zooming around also quickly changes the extent of your query and may increase the number of queries your service has to respond to.

What about the service itself?  Is it optimized for web GIS rendering and scalable.  Are there a large number of records in the service? Are scale limits applied to the service? Is the service schema (vector) defined with the "correct" data types?  ...

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