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收集整理的這篇文章主要介紹了
Sleuth则是用来共方便的集成Zipkin。
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簡述
- 使用 spring cloud 用到最多的是各種rest服務調用,Twitter的Zipkin 是一種實現分布式跟蹤解決方案,Sleuth則是用來共方便的集成Zipkin。
調用跟蹤系統的業務場景
- 隨著服務的拆分,系統的模塊變得越來越多,不同的模塊可能由不同的團隊維護,一個請求可能會涉及到幾十個服務的協同處理, 牽扯到多個團隊的業務系統,那么如何快速準確的定位到線上故障?比較成熟的解決方案是通過調用鏈的方式,把一次請求調用過程完整的串聯起來,這樣就實現了對請求調用路徑的監控。
故障快速定位
- 通過調用鏈跟蹤,一次請求的邏輯軌跡可以用完整清晰的展示出來。 開發中可以在業務日志中添加調用鏈ID,可以通過調用鏈結合業務日志快速定位錯誤信息。
各個調用環節的性能分析
- 在調用鏈的各個環節分別添加調用時延,可以分析系統的性能瓶頸,進行針對性的優化。
各個調用環節的可用性,持久層依賴等
- 通過分析各個環節的平均時延,QPS等信息,可以找到系統的薄弱環節,對一些模塊做調整,如數據冗余等。
數據分析等
- 調用鏈是一條完整的業務日志,可以得到用戶的行為路徑,匯總分析應用在很多業務場景。
Spring Cloud Sleuth
- Spring Cloud Sleuth為Spring Cloud實現分布式跟蹤解決方案。
Zipkin
- 為分布式鏈路調用監控系統,聚合各業務系統調用延遲數據,達到鏈路調用監控跟蹤。
使用
- Zipkin可以通過http收集信息,也可以通過mq收集信息
Zipkin server代碼
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0
</modelVersion><groupId>com.xx.xxx.server
</groupId><artifactId>zipkin-server
</artifactId><version>0.0.1-SNAPSHOT
</version><packaging>jar
</packaging><name>zipkin-server
</name><description>zipkin追蹤服務
</description><properties><project.build.sourceEncoding>UTF-8
</project.build.sourceEncoding><project.reporting.outputEncoding>UTF-8
</project.reporting.outputEncoding><java.version>1.8
</java.version><zipkin.version>2.3.1
</zipkin.version><spring-cloud.version>Edgware.SR2
</spring-cloud.version></properties><dependencies><dependency><groupId>io.zipkin.java
</groupId><artifactId>zipkin-server
</artifactId></dependency><dependency><groupId>org.springframework.cloud
</groupId><artifactId>spring-cloud-sleuth-zipkin-stream
</artifactId></dependency><dependency><groupId>org.springframework.cloud
</groupId><artifactId>spring-cloud-starter-sleuth
</artifactId></dependency><dependency><groupId>org.springframework.cloud
</groupId><artifactId>spring-cloud-starter-stream-rabbit
</artifactId></dependency><dependency><groupId>io.zipkin.java
</groupId><artifactId>zipkin-autoconfigure-ui
</artifactId><scope>runtime
</scope></dependency><dependency><groupId>io.zipkin.java
</groupId><artifactId>zipkin-autoconfigure-storage-mysql
</artifactId></dependency><dependency><groupId>mysql
</groupId><artifactId>mysql-connector-java
</artifactId></dependency><dependency><groupId>org.projectlombok
</groupId><artifactId>lombok
</artifactId><optional>true
</optional></dependency><dependency><groupId>org.springframework.cloud
</groupId><artifactId>spring-cloud-sleuth-core
</artifactId></dependency><dependency><groupId>org.springframework.boot
</groupId><artifactId>spring-boot-starter-jdbc
</artifactId></dependency><dependency><groupId>org.mybatis.spring.boot
</groupId><artifactId>mybatis-spring-boot-starter
</artifactId><version>1.3.2
</version></dependency><dependency><groupId>org.springframework.boot
</groupId><artifactId>spring-boot-starter
</artifactId></dependency><dependency><groupId>org.springframework.boot
</groupId><artifactId>spring-boot-starter-web
</artifactId></dependency><dependency><groupId>org.springframework.boot
</groupId><artifactId>spring-boot-starter-test
</artifactId><scope>test
</scope></dependency></dependencies><dependencyManagement><dependencies><dependency><groupId>org.springframework.boot
</groupId><artifactId>spring-boot-dependencies
</artifactId><version>1.5.4.RELEASE
</version><type>pom
</type><scope>import
</scope></dependency><dependency><groupId>org.springframework.cloud
</groupId><artifactId>spring-cloud-dependencies
</artifactId><version>${spring-cloud.version}
</version><type>pom
</type><scope>import
</scope></dependency></dependencies></dependencyManagement><build><plugins><plugin><groupId>org.springframework.boot
</groupId><artifactId>spring-boot-maven-plugin
</artifactId></plugin></plugins></build></project>
server:port: 9411
spring:application:name: zipkin-server
sleuth:enabled: false
rabbitmq:host: 172.16.
10.71port: 5672username: admin
password: admin
listener:simple:concurrency: 1max-
concurrency: 10acknowledge-
mode: auto
datasource:name: zipkindriver-
class-name: com.mysql.jdbc.Driverurl: jdbc:mysql:/
/localhost:3306/zipkin?autoReconnect=
true&useUnicode=
true&characterEncoding=UTF-
8&zeroDateTimeBehavior=convertToNull&useSSL=
falseusername: root
password: 123456schema: classpath:/mysql.sql
initialize: truecontinue-on-
error: true
zipkin:storage:type: mysql
@SpringBootApplication
@EnableZipkinStreamServer
public class ZipkinServerApplication{
public static void main(String[] args) {
new SpringApplicationBuilder(ZipkinServerApplication.class).run(args);System.out.println(
"Server start succ");}
}
client 代碼
<dependency><groupId>org.springframework.cloud
</groupId><artifactId>spring-cloud-sleuth-core
</artifactId>
</dependency>
<dependency><groupId>org.springframework.cloud
</groupId><artifactId>spring-cloud-starter-sleuth
</artifactId>
</dependency>
<dependency><groupId>org.springframework.cloud
</groupId><artifactId>spring-cloud-sleuth-zipkin-stream
</artifactId>
</dependency>
<dependency><groupId>org.springframework.cloud
</groupId><artifactId>spring-cloud-starter-stream-rabbit
</artifactId>
</dependency>
#spring
spring:zipkin:enabled:
true# zipkin server地址,如果使用mq收集,這個就不要配置base-url: http:
# 應采樣的請求百分比。例如1.0= 100%的請求應該被抽樣。精度僅為全數(即不支持0.1%的痕跡)。開發過程使用1.0,生產根據實際情況設置sleuth:sampler:percentage:
1.0rabbitmq:host:
172.16.10.71port:
5672username: adminpassword: adminlistener:simple:concurrency:
1max-concurrency:
10acknowledge-mode: auto
先啟動server,然后啟動應用服務,然后在應用服務上調用其他服務
打開server中zipkin監控面板:http://localhost:9411
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