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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- Issues
- Spring Boot 3.x Micrometer StatsD registry does not send metrics to UDP port when another StatsD client is active on the same port
- Add a metric for tracking heap size after last gc event
- Add environment (system/container) memory metrics
- Support for removing metrics registered by CaffeineCacheMetrics
- Adopt Stable OTEL Semantic Conventions for JVM metrics
- Improve performance of NamingConvention#toSnakeCase
- Add KeyValue support for Observation.Event
- Fix percentile metrics rotating too often
- System memory metrics
- Prometheus Java client 1.x consumes more memory than 0.x
- Docs
- Java not yet supported