APM, Application Performance Monitoring System
- skywalking
- observability
- apm
- service-mesh
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A powerful flow control component enabling reliability, resilience and monitoring for microservices. (面向云原生微服务的高可用流控防护组件)
- alibaba
- java
- microservice
- circuit-breaker
一款面向泛前端产品研发全生命周期的效率平台。
- ios
- tools
- monitoring
- performance
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。
- apm
- java
- distributed
- realtime
QuestDB is a high performance, open-source, time-series database
- time-series
- low-latency
- database
- sql
Zipkin is a distributed tracing system
- zipkin
- distributed-tracing
- tracing
- openzipkin
Apache Doris is a real-time analytics and hybrid search database for AI agents.
- olap
- database
- hudi
- iceberg
flink learning blog. http://www.54tianzhisheng.cn/ 含 Flink 入门、概念、原理、实战、性能调优、源码解析等内容。涉及 Flink Connector、Metrics、Library、DataStream API、Table API & SQL 等内容的学习案例，还有 Flink 落地应用的大型项目案例（PVUV、日志存储、百亿数据实时去重、监控告警）分享。欢迎大家支持我的专栏《大数据实时计算引擎 Flink 实战与性能优化》
Zuul is a gateway service that provides dynamic routing, monitoring, resiliency, security, and more.
APM, (Application Performance Management) tool for large-scale distributed systems.
- apm
- monitoring
- performance
- agent
Resilience4j is a fault tolerance library designed for Java8 and functional programming
- resilience
- circuitbreaker
- rate-limiter
- retry
:chart_with_upwards_trend: Capturing JVM- and application-level metrics. So you know what's going on.
- metrics
- java
- metrics-library
- dropwizard-metrics
An AI-powered next-generation open source real-time observability system.
📌 异步线程池框架，支持线程池动态变更&监控&报警，无需修改代码轻松引入。Asynchronous thread pool framework, support Thread Pool Dynamic Change & monitoring & Alarm, no need to modify the code easily introduced.
- java
- thread-pool
- dynamic
- monitor
Production-safe dynamic tracing and diagnostics for Java applications—attach to live JVMs with no restart or recompilation.
- btrace
- java
- bytecode-instrumentation
- diagnostics
An application observability facade for the most popular observability tools. Think SLF4J, but for observability.
Small set of tools for JVM troublshooting, monitoring and profiling.
A process for collecting metrics using JMX MBeans for Prometheus consumption
- jmx
- prometheus
- mbean
- java-agent
JavaMelody : monitoring of JavaEE applications
- performance
- monitoring
- metrics
- apm
P6Spy is a framework that enables database data to be seamlessly intercepted and logged with no code changes to the application.
- p6spy
- java
- jdbc
- jdbc-logging
An extensible Java library for HTTP request and response logging
- java
- http-logs
- spring-boot-starter
- plugin-extension
🦎 A lightweight, streaming-native, multi-protocol gateway for AI, APIs, and real-time data. Route LLM requests across providers, govern MCP tools, and connect Kafka, MQTT, and HTTP through one high-performance engine with shared security and observability.
Java monitoring for the command-line, profiler included
FlexyPool adds metrics and failover strategies to a given Connection Pool, allowing it to resize on demand.
- connection-pool
- java
- histogram
- dbcp