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Performance Aside, the event layer should probably be filtered to the target event as I’me seeing more than one. In fact, just a point may be sufficient as other details are already on the page. See this tutorial for an approach: https://developers.arcgis.com/javascript/latest/sample-code/intro-graphics/index.html

Suggestions

Platform

Some gains were made by resizing the VMs in sandbox to align with the images used in other instances. Accelerated Networking was also enabled on Sandbox. These the images are defined in our ARM templates and are already available to future instances.

Disk size has an effect on disk performance. The current standard disk size is 128GB

•  Increase disk size on SBX DS

Publishing data

• Best practices for publishing and symbolizing data must be followed regardless of our hardware.

  • Create map caches where possible

  • Data that can’t be cached should be stored and displayed in the fewest and simplest features possible

  • Follow ESRI’s Performance tips for uncached maps

• Re-project all data to WGS84 Web Mercator

  • Avoid all re-projection on the fly

  • Debate?

• Test performance on all layers?

  • Web hooks, test new layers?

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