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buchgr / bazel-remote

A remote cache for Bazel
https://bazel.build
Apache License 2.0
594 stars 154 forks source link

OpenTelemetry support #684

Open Gorbush opened 1 year ago

Gorbush commented 1 year ago

Hi.

Is there any plan to support traces and metrics for OpenTelemetry? https://opentelemetry.io/ We use HoneyComb for that and need to get the metrics for BazelRemote instances. https://www.honeycomb.io/

Thank you!

mostynb commented 1 year ago

Hi.

Re metrics: bazel-remote currently supports prometheus. I'm not sure of the current status of opentelemetry metrics, is it still kind of immature?

Re tracing: I have been holding off adding this feature because I'm not sure how useful it would be. For bazel-remote installs that only use the disk cache, I suspect that disk iowait metrics are probably more useful than traces for individual requests. Maybe things are different for installs that use s3/gcs/azblob/http backends though?