micrometer
https://github.com/micrometer-metrics/micrometer
Java
An application observability facade for the most popular observability tools. Think SLF4J, but for observability.
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Help out
- Issues
- Upgrade cimg/openjdk images
- Upgrade to ubuntu-2404:2026.02.2 in CircleCI
- Document DefaultMeterObservationHandler
- Add Scope closing validation to ObservationValidator
- docs: document Jakarta Mail instrumentation
- Deprecate unused Scope-related methods
- Observation scope mismatch warning when current span/context is set on a thread that already has an active Observation
- Add support for JDK 26's MemoryPoolMXBean.getTotalGcCpuTime()
- Integration test Kafka instrumentation against latest version
- Bump Kafka instrumentation baseline from 2.8.2 to 3.9.2
- Docs
- Java not yet supported