A Java library for capturing JVM and application-level metrics to monitor system performance.
Dropwizard Metrics is a Java library for instrumenting code to capture JVM and application-level metrics. It provides tools to measure system performance, track application behavior, and monitor health in production environments. The library helps developers understand what's happening inside their applications through comprehensive metric collection.
Java developers building production applications who need to monitor system performance, track application metrics, and implement health checks. Particularly useful for teams using Dropwizard framework or any Java application requiring observability.
Developers choose Dropwizard Metrics for its comprehensive Java-focused monitoring capabilities, simple API that makes instrumentation easy, and modular design that allows integration with various reporting backends. It provides production-ready metrics collection without requiring complex setup.
:chart_with_upwards_trend: Capturing JVM- and application-level metrics. So you know what's going on.
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Supports gauges, counters, histograms, meters, and timers, enabling precise measurement of different application behaviors as highlighted in the key features.
Includes instrumentation for JVM metrics like garbage collection and memory usage, providing out-of-the-box insights into Java runtime performance without additional setup.
Can output metrics to various backends including console, CSV, JMX, and external systems, allowing integration with diverse monitoring setups as per the modular design.
Provides a framework for defining and executing application health checks with customizable thresholds, aiding in production reliability and system monitoring.
Current versions do not natively support tags, which are essential for modern metric systems like Prometheus, limiting flexibility in metric labeling and organization.
Future version 5.x will introduce a new API with breaking changes and new package names, requiring migration efforts and posing uncertainty for long-term adoption.
With multiple unmaintained versions and active branches, navigating documentation and choosing the right version can be confusing and error-prone.