ScalaJava sbtMavenGradle Extensions Lightbend Telemetry supports the following extensions: Custom events Custom event log levels Developer API Custom metrics Custom metric types Developer API OpenTracing Enabling OpenTracing in your app Cinnamon OpenTracing APIs OpenTracing integrations Tracing Granularity OpenTracing compatibility SLF4J MDC Cinnamon dependency MDC filter Serialization limit Akka HTTP headers Alpakka Kafka headers Log correlation Stopwatch Enabling Stopwatch Stopwatch API Active time Remote Stopwatch Stopwatch and Akka Streams Stopwatch and Futures Stopwatch and Akka Scheduler Stopwatch interval thresholds Stopwatch custom Recorder Producers Implementing a Producer Full example JMX Importer Dependency Configuration Output format Predefined JMX importers Apache Kafka importers Extending the settings JVM Metrics Producer Dependency Configuration Available Metrics Java Futures Custom events