CAT 作为服务端项目基础组件，提供了 Java, C/C++, Node.js, Python, Go 等多语言客户端，已经在美团点评的基础架构中间件框架（MVC框架，RPC框架，数据库框架，缓存框架等，消息队列，配置系统等）深度集成，为美团点评各业务线提供系统丰富的性能指标、健康状况、实时告警等。
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An AI-powered next-generation open source real-time observability system.
An application observability facade for the most popular observability tools. Think SLF4J, but for observability.
A process for collecting metrics using JMX MBeans for Prometheus consumption
JavaMelody : monitoring of JavaEE applications
FlexyPool adds metrics and failover strategies to a given Connection Pool, allowing it to resize on demand.
(UNMAINTAINED) inspectIT is the leading Open Source APM (Application Performance Management) tool for analyzing your Java (EE) applications.
Vert.x metrics implementation for Micrometer.io
Cassandra Node Diagnostics Tools