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j360-trace's Introduction

j360-trace-all

跟踪监控插件,开箱即用,代码整理源于zipkin,并整合实际场景中的应用 duboo,shiro等拦截监控,加入各种sample整合,使用方式参考module:j360-trace-example

  • 本项目供学习之用,参考Google Dapper论文设计,收集存储分离,使用kafka,http,mq等进行解耦

  • java监控和信息收集主要有以下几种实行

    • Agent形式,通常是用字节码修改技术+java.lang.instrument等方式,可以做到无侵入监控,参考pinpoint,BTrace
    • 过滤器、拦截器、aop aspectJ等配置化方式收集,配置化植入,可以无需修改代码(本方案采用) 参考zipkin+brave
    • 代码埋点植入,需要添加植入代码收集,参考cat、cat2
  • 依赖

  • Maven3+
  • jdk7+
  • log
  • 所有log输出统一到slf4j,实现使用logback
  • 监控流程
  • 植入
  • 收集
  • 传输
  • 接收
  • 存储
  • 集成时版本注意事项
  • dubbo version
  • log version
  • spring version
  • javasist version
  • netty version

##module组成

  • collector 收集

    • kafka
    • http
    • mq
    • log
  • storage collector

    • kafka
    • httpserver
    • mq
  • storage 存储

    • elasticsearch
    • mongodb
  • trace点

    • springmvc
      • headers
        • X-B3-Sampled true
        • X-B3-TraceId 1
        • X-B3-SpanId 1
        • X-B3-ParentSpanId 0
    • dubbo
      • Server(Provider)
        • dubbo: <dubbo:provider filter="j360Provider"/>
        • UserServiceImpl
      • Client(Consumer)
        • dubbo: <dubbo:provider filter="j360Consumer"/>
        • UserController -> UserService - > ↓
        • result = _1 < - getUserName(uid)
    • httpClient
    • okhttp - spring环境中配置OkHttpClient bean
    • mysql - 在连接jdbc后添加?statementInterceptors=me.j360.trace.mysql.MySQLStatementInterceptor
    • mq
    • java service(javasist aspectj)暂未集成
  • example

    • springmvc+filter
    • dubbo
    • springmvc-collector-kafkaProductor
    • springmvc-dubbo-collector-kafkaProductor
    • kafkaConsumerStream-storage-elasticsearch-native-start
    • kafkaConsumerStream-storage-elasticsearch-springboot-start
  • 生产环境JEE中使用监控

  • 生产环境使用微服务设计方式,具体的Java容器部署包括:
    • tomcat/jetty 若干 http入口
    • jar 若干 基础+业务服务
    • dubbo相关服务
  • 单个http请求链路服务时序
    • filter 权限过滤等(shiro)
    • springmvc interceptor 部分拦截(log等)
    • 外部服务请求 http (httpClient/okhttp/restTemplate)
    • 一级微服务调用
    • 二级微服务调用
    • interceptor 返回
    • filter response确认
  • 请求链路分为
    • client请求方 负责发起,接收
    • server服务方 负责接收,返回
    • 相邻链路同为server时,只记录一次,比如shiro的filter直接过滤掉信息,则不转发到servlet中处理,如果成功,则以servlet为准,部分接口不经过shiro则直接servlet接收

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