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When following the DEPR process, adding monitoring can be useful for the following:

  • Discovery on how wide-spread is the usage of the proposed DEPR

  • Monitoring to ensure all usage has been removed as planned


DEPR monitoring has also revealed when a new usage was added in the day that all known usages were finally removed, and helped catch and resolve issues quickly.

Start here:

Additionally, you may consider the following:

  • Add a “XXX DEPR” temporary dashboard in your monitoring tool (e.g. New Relic).

    • Use this to track the DEPR progress throughout, and delete it when you are done.

  • Monitoring custom metrics has typically been good enough, but there is some sampling.

    • If you need to be more certain, you can follow similar patterns, but use logging instead.