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Group float values in buckets (Histogram) #406

Open winsmith opened 2 months ago

winsmith commented 2 months ago

cc https://druid.apache.org/docs/latest/development/extensions-core/datasketches-quantiles

Discussed in https://github.com/TelemetryDeck/Issues/discussions/384

Originally posted by **smorkolama** April 11, 2024 Hello, thanks for building TelemetryDeck! I really love the dashboard and how easy it is to make graphs. However, I looked through the examples and TQL reference documentation but I could not find a solution for the following query, perhaps you have an idea? I have a signal `persistentStoreLoad` that has an associated payload key `loadDuration` which contains a float value for how long it took to load the persistent store. I can list individual values just fine, but is there a way to group these values into buckets? This functionality probably hiding somewhere in there but I could not find it. Any hints on how to proceed?