微服务链路追踪组件Skywalking实战

{"type":"doc","content":[{"type":"heading","attrs":{"align":null,"level":1},"content":[{"type":"text","text":"1. skywalking是什么","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"对于一个大型的几十个、几百个微服务构成的微服务架构系统，通常会遇到下面一些问题，比如：","attrs":{}}]},{"type":"numberedlist","attrs":{"start":null,"normalizeStart":1},"content":[{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":1,"align":null,"origin":null},"content":[{"type":"text","text":"如何串联整个调用链路，快速定位问题？","attrs":{}}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":2,"align":null,"origin":null},"content":[{"type":"text","text":"如何理清各个微服务之间的依赖关系？","attrs":{}}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":3,"align":null,"origin":null},"content":[{"type":"text","text":"如何进行各个微服务接口的性能分折？","attrs":{}}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":4,"align":null,"origin":null},"content":[{"type":"text","text":"如何跟踪整个业务流程的调用处理顺序？","attrs":{}}]}]}]},{"type":"paragraph","attrs":{"indent":0,"number":5,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"skywalking是一个国产开源框架，2015年由吴晟开源 ， 2017年加入Apache孵化器。skywalking是分布式系统的应用程序性能监视工具，专为微服务、云原生架构和基于容器（Docker、K8s、Mesos）架构而设计。SkyWalking 是观察性分析平台和应用性能管理系统，提供分布式追踪、服务网格遥测分析、度量聚合和可视化一体化解决方案。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"官网：","attrs":{}},{"type":"link","attrs":{"href":"http://skywalking.apache.org/","title":null,"type":null},"content":[{"type":"text","marks":[{"type":"underline","attrs":{}}],"text":"http://skywalking.apache.org/","attrs":{}}]}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"下载：","attrs":{}},{"type":"link","attrs":{"href":"http://skywalking.apache.org/downloads/","title":null,"type":null},"content":[{"type":"text","marks":[{"type":"underline","attrs":{}}],"text":"http://skywalking.apache.org/downloads/","attrs":{}}]}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"调用链选型","attrs":{}}]},{"type":"numberedlist","attrs":{"start":null,"normalizeStart":1},"content":[{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":1,"align":null,"origin":null},"content":[{"type":"text","text":"Zipkin是Twitter开源的调用链分析工具，目前基于springcloud sleuth得到了广泛的使用，特点是轻量，使用部署简单。","attrs":{}}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":2,"align":null,"origin":null},"content":[{"type":"text","text":"Pinpoint是韩国人开源的基于字节码注入的调用链分析，以及应用监控分析工具。特点是支持多种插件，UI功能强大，接入端无代码侵入。","attrs":{}}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":3,"align":null,"origin":null},"content":[{"type":"text","text":"SkyWalking是本土开源的基于字节码注入的调用链分析，以及应用监控分析工具。特点是支持多种插件，UI功能较强，接入端无代码侵入。目前已加入Apache孵化器。","attrs":{}}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":4,"align":null,"origin":null},"content":[{"type":"text","text":"CAT是大众点评开源的基于编码和配置的调用链分析，应用监控分析，日志采集，监控报警等一系列的监控平台工具。","attrs":{}}]}]}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/af/af6f457421205df66551f9818bd1aee9.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"探针性能对比","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"模拟了三种并发用户：500，750，1000。使用jmeter测试，每个线程发送30个请求，设置思考时间为10ms。使用的采样率为1，即100%，这边与生产可能有差别。pinpoint默认的采样率为20，即50%，通过设置agent的配置文件改为100%。zipkin默认也是1。组合起来，一共有12种。下面看下汇总表：","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/5f/5f35112cec220b92a4469d1b20ec3cef.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"从上表可以看出，在三种链路监控组件中，","attrs":{}},{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"skywalking的探针对吞吐量的影响最小，zipkin的吞吐量居中。pinpoint的探针对吞吐量的影响较为明显","attrs":{}},{"type":"text","text":"，在500并发用户时，测试服务的吞吐量从1385降低到774，影响很大。然后再看下CPU和memory的影响，在内部服务器进行的压测，对CPU和memory的影响都差不多在10%之内。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"1.1 Skywalking主要功能特性","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"1、多种监控手段，可以通过语言探针和service mesh获得监控的数据；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"2、支持多种语言自动探针，包括 Java，.NET Core 和 Node.JS；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"3、轻量高效，无需大数据平台和大量的服务器资源；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4、模块化，UI、存储、集群管理都有多种机制可选；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"5、支持告警；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"6、优秀的可视化解决方案；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"1.2 Skywalking整体架构","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/dd/dd27023692ccf78f93ffe8f63c4a61b2.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"整个架构分成四部分：","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"1、上部分Agent ：负责从应用中，收集链路信息，发送给 SkyWalking OAP 服务器；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"2、下部分 SkyWalking OAP ：负责接收Agent发送的Tracing数据信息，然后进行分析(Analysis Core)，存储到外部存储器(Storage)，最终提供查询(Query)功能；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"3、右部分Storage：Tracing数据存储，目前支持ES、MySQL、Sharding Sphere、TiDB、H2多种存储器，目前采用较多的是ES，主要考虑是SkyWalking开发团队自己的生产环境采用ES为主；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4、左部分SkyWalking UI：负责提供控制台，查看链路等等；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"SkyWalking支持三种探针：","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"● Agent – 基于ByteBuddy字节码增强技术实现，通过jvm的agent参数加载，并在程序启动时拦截指定的方法来收集数据。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"● SDK – 程序中显式调用SkyWalking提供的SDK来收集数据，对应用有侵入。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"● Service Mesh – 通过Service mesh的网络代理来收集数据。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"后端（Backend）","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"接受探针发送过来的数据，进行度量分析，调用链分析和存储。后端主要分为两部分：","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"● OAP（Observability Analysis Platform）- 进行度量分析和调用链分析的后端平台，并支持将数据存储到各种数据库中，如：ElasticSearch，MySQL，InfluxDB等。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"● OAL（Observability Analysis Language）- 用来进行度量分析的DSL，类似于SQL，用于查询度量分析结果和警报。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"界面(UI)","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"● RocketBot UI – SkyWalking 7.0.0 的默认web UI","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"● CLI – 命令行界面","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"这三个模块的交互流程：","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/6c/6ce00717759acbddc5d937be6d112d09.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"1.3 SkyWalking 环境搭建部署","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/e6/e6beab8dd3d0e37ac53531b10d8f0248.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"bulletedlist","content":[{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"skywalking agent和业务系统绑定在一起，负责收集各种监控数据","attrs":{}}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Skywalking oapservice是负责处理监控数据的，比如接受skywalking agent的监控数据，并存储在数据库中;接受skywalking webapp的前端请求，从数据库查询数据，并返回数据给前端。Skywalking oapservice通常以集群的形式存在。","attrs":{}}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"skywalking webapp，前端界面，用于展示数据。","attrs":{}}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"用于存储监控数据的数据库，比如mysql、elasticsearch等。","attrs":{}}]}]}],"attrs":{}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"1.3.1 下载 SkyWalking","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"下载：","attrs":{}},{"type":"link","attrs":{"href":"http://skywalking.apache.org/downloads/","title":null,"type":null},"content":[{"type":"text","marks":[{"type":"underline","attrs":{}}],"text":"http://skywalking.apache.org/downloads/","attrs":{}}]}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/4d/4ddb4f2d3341a3f674f99ca3eeb022cb.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"目录结构","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/87/8775b7e4107f2b99f72ae031e5bd6107.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"1.3.2 搭建SkyWalking OAP 服务","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"先使用默认的H2数据库存储,不用修改配置","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"config/application.yml","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/f6/f6bded59bc7a73d63a1e0f6199670fee.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"启动脚本bin/startup.sh","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/0c/0c2fefc28514340e57dbe7b80e0694fb.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"日志信息存储在logs目录","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/0a/0a8e7cc84df31484384a2146af088e6c.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"启动成功后会启动两个服务，一个是skywalking-oap-server，一个是skywalking-web-ui","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"skywalking-oap-server服务启动后会暴露11800 和 12800 两个端口，分别为收集监控数据的端口11800和接受前端请求的端口12800，修改端口可以修改config/applicaiton.yml","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/2c/2cb177091cf5028a082bc6d1b4bc0d0a.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"skywalking-web-ui服务会占用 8080 端口， 修改端口可以修改webapp/webapp.yml","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/c8/c87bd436526613f8711f0e2f4a5d9c7c.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"server.port：SkyWalking UI服务端口，默认是8080；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"collector.ribbon.listOfServers：SkyWalking OAP服务地址数组，SkyWalking UI界面的数据是通过请求SkyWalking OAP服务来获得；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"访问：","attrs":{}},{"type":"link","attrs":{"href":"http://192.168.3.14:8080/","title":null,"type":null},"content":[{"type":"text","marks":[{"type":"underline","attrs":{}}],"text":"http://192.168.3.100:8080/","attrs":{}}]}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/9f/9f309d74fbbfe0437099a370026373bd.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"页面的右下角可以中英文切换，可以切换选择要展示的时间区间的跟踪数据。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"1.4 SkyWalking中三个概念","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"服务(Service) ：","attrs":{}},{"type":"text","text":"表示对请求提供相同行为的一系列或一组工作负载，在使用Agent时，可以定义服务的名字；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"服务实例(Service Instance) ：","attrs":{}},{"type":"text","text":"上述的一组工作负载中的每一个工作负载称为一个实例， 一个服务实例实际就是操作系统上的一个真实进程；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"端点(Endpoint) ：","attrs":{}},{"type":"text","text":"对于特定服务所接收的请求路径, 如HTTP的URI路径和gRPC服务的类名 + 方法签名；","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/b5/b521877b82266fe8bf854e7d1e8f99fd.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"heading","attrs":{"align":null,"level":1},"content":[{"type":"text","text":"2. SkyWalking快速开始","attrs":{}}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"2.1 SkyWalking Agent跟踪微服务","attrs":{}}]},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"2.1.1 通过jar包方式接入","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"准备一个springboot程序，打成可执行jar包，写一个shell脚本，在启动项目的Shell脚本上，通过 -javaagent 参数进行配置SkyWalking Agent来跟踪微服务；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"startup.sh脚本：","attrs":{}}]},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"#!/bin/sh\n# SkyWalking Agent配置\nexport SW_AGENT_NAME=springboot-skywalking-demo #Agent名字,一般使用`spring.application.name`\nexport SW_AGENT_COLLECTOR_BACKEND_SERVICES=127.0.0.1:11800 #配置 Collector 地址。\nexport SW_AGENT_SPAN_LIMIT=2000 #配置链路的最大Span数量，默认为 300。\nexport JAVA_AGENT=-javaagent:/usr/local/soft/apache-skywalking-apm-bin-es7/agent/skywalking-agent.jar\njava $JAVA_AGENT -jar springboot-skywalking-demo-0.0.1-SNAPSHOT.jar #jar启动","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"启动日志","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/45/45e1daa16756888f2a400af4f9facf76.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"等同于","attrs":{}}]},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"java -javaagent:/usr/local/soft/apache-skywalking-apm-bin-es7/agent/skywalking-agent.jar \n-DSW_AGENT_COLLECTOR_BACKEND_SERVICES=127.0.0.1:11800 \n-DSW_AGENT_NAME=springboot-skywalking-demo -jar springboot-skywalking-demo-0.0.1-SNAPSHOT.jar","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"参数名对应agent/config/agent.config配置文件中的属性。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"属性对应的源码：org.apache.skywalking.apm.agent.core.conf.Config.java","attrs":{}}]},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"# The service name in UI\nagent.service_name=${SW_AGENT_NAME:Your_ApplicationName}\n# Backend service addresses.\ncollector.backend_service=${SW_AGENT_COLLECTOR_BACKEND_SERVICES:127.0.0.1:11800}","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"我们也可以使用skywalking.+配置文件中的配置名作为系统配置项来进行覆盖。 javaagent参数配置方式优先级更高","attrs":{}}]},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"-javaagent:D:\\apache\\apache-skywalking-apm-es7-8.4.0\\apache-skywalking-apm-bin-es7\\agent\\skywalking-agent.jar\n-Dskywalking.agent.service_name=springboot-skywalking-demo\n-Dskywalking.collector.backend_service=192.168.3.100:11800","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/da/da403b40e460c23606e3cf7bd945151a.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"测试： ","attrs":{}},{"type":"link","attrs":{"href":"http://192.168.3.100:8000/user/list","title":null,"type":null},"content":[{"type":"text","marks":[{"type":"underline","attrs":{}}],"text":"http://192.168.3.100:8000/user/list","attrs":{}}]}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"在启动程序前加一个-javaagent 参数即可完成对程序的跟踪","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/de/de407ca7bf705a2f19ae074fa78c260e.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"2.1.2 在IDEA中使用Skywalking","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"在运行的程序配置jvm参数，如下图所示：","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/14/14ad1b7f33e37459bde6e353aeee0f9a.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"# skywalking-agent.jar的本地磁盘的路径\n-javaagent:D:\\apache\\apache-skywalking-apm-es7-8.4.0\\apache-skywalking-apm-bin-es7\\agent\\skywalking-agent.jar\n# 在skywalking上显示的服务名\n-DSW_AGENT_NAME=springboot-skywalking-demo\n# skywalking的collector服务的IP及端口\n-DSW_AGENT_COLLECTOR_BACKEND_SERVICES=192.168.3.100:11800 ","attrs":{}}]},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"2.1.3 Skywalking跨多个微服务跟踪","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Skywalking跨多个微服务跟踪，只需要每个微服务启动时添加javaagent参数即可。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"测试：","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"启动微服务mall-gateway，mall-order，mall-user ，配置skywalking的jvm参数","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"http://localhost:8888/user/findOrderByUserId/1","title":null,"type":null},"content":[{"type":"text","marks":[{"type":"underline","attrs":{}}],"text":"http://localhost:8888/user/findOrderByUserId/1","attrs":{}}]}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/8c/8cb63b4a2346bb006a6603d6f1af5bf8.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/e9/e97b5ffe95ca638f02a1f2dcb801c247.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"注意：此处存在bug，跟踪链路不显示gateway","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"拷贝agent/optional-plugins目录下的gateway插件到agent/plugins目录","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/b4/b49fc2bfba10267afd2994c00f43245e.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/c4/c4edc17104615bf08695ad3d5d7503c2.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/64/643e21438c8690d0bcd5b0ce27916867.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/e9/e90e62ddbdb75fce19d5cdb26e1ae660.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"2.2 Skywalking告警通知","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"skywalking告警的核心由一组规则驱动，这些规则定义在config/alarm-settings.yml文件中，告警规则的定义分为三部分:","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"1、告警规则：它们定义了应该如何触发度量警报，应该考虑什么条件；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"2、网络钩子(Webhook}：当警告触发时，哪些服务终端需要被通知；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"3、gRPC钩子：远程gRPC方法的主机和端口，告警触发后调用；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"为了方便，skywalking发行版中提供了默认的alarm-setting.yml文件，包括一些规则，每个规则有英文注释，可以根据注释得知每个规则的作用：","attrs":{}}]},{"type":"bulletedlist","content":[{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"在最近10分钟的3分钟内服务平均响应时间超过1000ms","attrs":{}}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"最近10分钟内，服务成功率在2分钟内低于80%","attrs":{}}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"服务实例的响应时间在过去10分钟的2分钟内超过1000ms","attrs":{}}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"数据库访问{name}的响应时间在过去10分钟的2分钟内超过1000ms","attrs":{}}]}]}],"attrs":{}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"只要我们的服务请求符合alarm-setting.yml文件中的某一条规则就会触发告警。","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"比如service_resp_time_rule规则：","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/b2/b20f3371a9fb7aeee51116ae791eb589.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"该规则表示服务{name}的响应时间在最近10分钟的3分钟内超过1000ms；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"测试：","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"编写接口，模拟慢查询","attrs":{}}]},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"@RequestMapping(\"/info/{id}\")\npublic User info(@PathVariable(\"id\") Integer id){\n\n try {\n Thread.sleep(2000);\n } catch (InterruptedException e) {\n e.printStackTrace();\n }\n\n return userService.getById(id);\n}","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"回调接口","attrs":{}}]},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"@RequestMapping(\"/notify\")\npublic String notify(@RequestBody Object obj){\n //TODO 告警信息，给技术负责人发短信，钉钉消息，邮件，微信通知等\n System.err.println(obj.toString());\n return \"notify successfully\";\n}","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"在config/alarm-settings.yml中配置回调接口，并重启skywalking服务","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/17/17880a5fd14b9927ed628ebad68d989e.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"测试访问：","attrs":{}},{"type":"link","attrs":{"href":"http://localhost:8000/user/info/1","title":null,"type":null},"content":[{"type":"text","marks":[{"type":"underline","attrs":{}}],"text":"http://localhost:8000/user/info/1","attrs":{}}]},{"type":"text","text":"，满足告警规则后，控制台输出告警信息","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/7e/7ef1ea6f81e2a754ef1ec94e00aa6d6d.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"SkyWalking UI显示告警信息","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/b8/b8849da3b6e978ff8356d210b60ba24d.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"参考： ","attrs":{}},{"type":"link","attrs":{"href":"https://github.com/apache/skywalking/blob/master/docs/en/setup/backend/backend-alarm.md","title":null,"type":null},"content":[{"type":"text","marks":[{"type":"underline","attrs":{}}],"text":"https://github.com/apache/skywalking/blob/master/docs/en/setup/backend/backend-alarm.md","attrs":{}}]}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"对接钉钉：","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/5b/5b503e1cd3394412f61f2145e3560bb7.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong","attrs":{}}],"text":"Webhook回调通知","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"SkyWalking告警Webhook回调要求接收方是一个Web容器（比如tomcat服务），告警的消息会通过HTTP请求进行发送, 请求方法为POST, Content-Type为application/json, JSON格式基于List的集合对象数据, 集合中的每个AlarmMessage包含以下信息：","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"1、scopeId. 所有可用的Scope，参考：org.apache.skywalking.oap.server.core.source.DefaultScopeDefine；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"2、name. 目标 Scope 的实体名称；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"3、id0. Scope 实体的 ID；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4、id1. 未使用；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"5、ruleName. 在 alarm-settings.yml 中配置的规则名；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"6、alarmMessage. 报警消息内容；","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"7、startTime. 告警时间, 位于当前时间与 UTC 1970/1/1 之间；","attrs":{}}]},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"[{\n\tscopeId = 2,\n\tscope = SERVICE_INSTANCE,\n\tname = 98e1839 a6fdf48b0aedb0ecabb8ea5f7 @192 .168 .233 .1 of springboot - skywalking - demo,\n\tid0 = c3ByaW5nYm9vdC1za3l3YWxraW5nLWRlbW8 = .1 _OThlMTgzOWE2ZmRmNDhiMGFlZGIwZWNhYmI4ZWE1ZjdAMTkyLjE2OC4yMzMuMQ == ,\n\tid1 = ,\n\truleName = service_instance_resp_time_rule,\n\talarmMessage = Response time of service instance 98e1839 a6fdf48b0aedb0ecabb8ea5f7 @192 .168 .233 .1 of springboot - skywalking - demo is more than 1000 ms in 2 minutes of last 10 minutes,\n\tstartTime = 1613913565462\n}, {\n\tscopeId = 6,\n\tscope = ENDPOINT_RELATION,\n\tname = User in User to / user / info / {\n\t\tid\n\t} in springboot - skywalking - demo,\n\tid0 = VXNlcg == .0 _VXNlcg == ,\n\tid1 = c3ByaW5nYm9vdC1za3l3YWxraW5nLWRlbW8 = .1 _L3VzZXIvaW5mby97aWR9,\n\truleName = endpoint_relation_resp_time_rule,\n\talarmMessage = Response time of endpoint relation User in User to / user / info / {\n\t\tid\n\t} in springboot - skywalking - demo is more than 1000 ms in 2 minutes of last 10 minutes,\n\tstartTime = 1613913565462\n}]","attrs":{}}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"2.3 Skywalking持久化跟踪数据","attrs":{}}]},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"2.3.1 基于mysql持久化","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"1. 修改config目录下的application.yml，使用mysql作为持久化存储的仓库","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/d9/d9488ca6c0cd8321e6e13a3a99e08586.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"2. 修改mysql连接配置","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/0d/0dc9a26e0298058e04c4acbed5dbf721.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"storage:\n #选择使用mysql 默认使用h2，不会持久化，重启skyWalking之前的数据会丢失\n selector: ${SW_STORAGE:mysql}\n #使用mysql作为持久化存储的仓库\n mysql:\n properties:\n #数据库连接地址\n jdbcUrl: ${SW_JDBC_URL:\"jdbc:mysql://1ocalhost:3306/swtest\"}\n #用户名\n dataSource.user: ${SW_DATA_SOURCE_USER:root}\n #密码\n dataSource.password: ${SW_DATA_SOURCE_PASSWORD:root}","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"注意：需要添加mysql数据驱动包，因为在lib目录下是没有mysql数据驱动包的，所以修改完配置启动是会报错，启动失败的。","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/05/05fb9fe26df1cc51d84812c0fa5bb84a.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"3. 添加mysql数据驱动包到oap-libs目录下","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/0d/0dbf88668786f22a2cf73981e6fc002d.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4. 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\n","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/70/7010720eaafc75b0ec7fe0400374c121.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"打开agent/config/agent.config配置文件，添加如下配置信息：","attrs":{}}]},{"type":"codeblock","attrs":{"lang":"text"},"content":[{"type":"text","text":"plugin.toolkit.log.grpc.reporter.server_host=${SW_GRPC_LOG_SERVER_HOST:192.168.3.100}\nplugin.toolkit.log.grpc.reporter.server_port=${SW_GRPC_LOG_SERVER_PORT:11800}\nplugin.toolkit.log.grpc.reporter.max_message_size=${SW_GRPC_LOG_MAX_MESSAGE_SIZE:10485760}\nplugin.toolkit.log.grpc.reporter.upstream_timeout=${SW_GRPC_LOG_GRPC_UPSTREAM_TIMEOUT:30}","attrs":{}}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"以上配置是默认配置信息,agent与oap在本地的可以不配","attrs":{}}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/89/89968428f4155f33e57e44d13552f1d0.png","alt":null,"title":null,"style":[{"key":"width","value":"75%"},{"key":"bordertype","value":"none"}],"href":null,"fromPaste":true,"pastePass":true}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https://skywalking.apache.org/docs/main/v8.4.0/en/setup/service-agent/java-agent/readme/#table-of-agent-configuration-properties","title":null,"type":null},"content":[{"type":"text","text":"agent配置信息大全","attrs":{}}]}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Skywalking 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