Recommended IIS application pool settings

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Hi,

What are the recommended settings for the IIS application pool for the worker processes?
Currently, the CPU limit is set to disabled, leaving the door open to potential performance issues due to high CPU usage.

Thanks in advance,

Ciprian Moga [SLC] [DevOps Advocate] Selected answer as best 9th August 2021

1 Answer

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The application pool is used for the following functionalities:

  • API
  • Legacy dashboards
  • Annotations
  • Video thumbnails

None of these require a lot of processing. Therefore the CPU usage of the web API should be low. It should not be required to limit the CPU usage. Seeing a high CPU usage warrants an investigation.

The worker processes setting should be set to 1 (some state is being managed by the web API for its current open connections and doing this with multiple workers should sync this state which is currently not being done).

Ciprian Moga [SLC] [DevOps Advocate] Selected answer as best 9th August 2021