Zipkin是一个分布式追踪系统。它有助于收集解决微服务架构中延迟问题所需的时序数据。它管理这些数据的收集和查找。Zipkin的设计基于 Google Dapper论文。html
应用程序用于向Zipkin报告时间数据。Zipkin用户界面还提供了一个依赖关系图,显示每一个应用程序有多少跟踪请求。若是您正在解决延迟问题或错误问题,则能够根据应用程序,跟踪长度,注释或时间戳过滤或排序全部跟踪。一旦选择了一个跟踪,您能够看到每一个跨度所花费的总跟踪时间的百分比,从而能够肯定问题应用程序。前端
官网地址:https://zipkin.io/
java
github 地址 :https://github.com/openzipkin/zipkin
node
为何使用Zipkin
mysql
随着业务愈来愈复杂,系统也随之进行各类拆分,特别是随着微服务架构和容器技术的兴起,看似简单的一个应用,后台可能有几十个甚至几百个服务在支撑;一个前端的请求可能须要屡次的服务调用最后才能完成;当请求变慢或者不可用时,咱们没法得知是哪一个后台服务引发的,这时就须要解决如何快速定位服务故障点,Zipkin分布式跟踪系统就能很好的解决这样的问题。git
三种启动方式
github
docker 启动spring
docker run -d -p 9411:9411 openzipkin/zipkin
java 启动
sql
curl -sSL https://zipkin.io/quickstart.sh | bash -s java -jar zipkin.jar
springboot 启动docker
依赖
<dependency> <groupId>io.zipkin.java</groupId> <artifactId>zipkin-server</artifactId> </dependency> <dependency> <groupId>io.zipkin.java</groupId> <artifactId>zipkin-autoconfigure-ui</artifactId> </dependency>
默认内存存储
添加mysql 存储
<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.springframework.boot</groupId> <artifactId>spring-boot-starter-jdbc</artifactId> </dependency> <dependency> <groupId>com.zaxxer</groupId> <artifactId>HikariCP</artifactId> </dependency>配置 数据库
#数据库脚本建立地址,当有多个是可以使用[x]表示集合第几个元素 spring.datasource.schema[0]=classpath:/sql/zipkin.sql spring.datasource.name=zipkin spring.datasource.driver-class-name=com.mysql.jdbc.Driver spring.datasource.url=jdbc:mysql://local-pc-node1:3306/snjx?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false spring.datasource.username=snjx spring.datasource.password=kRqKjGw1s;RH spring.datasource.type=com.zaxxer.hikari.HikariDataSource spring.datasource.hikari.minimum-idle=5 spring.datasource.hikari.maximum-pool-size=15 spring.datasource.hikari.auto-commit=true spring.datasource.hikari.idle-timeout=30000 spring.datasource.hikari.pool-name=DatebookHikariCP spring.datasource.hikari.max-lifetime=1800000 spring.datasource.hikari.connection-timeout=30000 spring.datasource.hikari.connection-test-query=SELECT 1
zipkin.sql 文件
CREATE TABLE IF NOT EXISTS zipkin_spans ( `trace_id_high` BIGINT NOT NULL DEFAULT 0 COMMENT 'If non zero, this means the trace uses 128 bit traceIds instead of 64 bit', `trace_id` BIGINT NOT NULL, `id` BIGINT NOT NULL, `name` VARCHAR(255) NOT NULL, `parent_id` BIGINT, `debug` BIT(1), `start_ts` BIGINT COMMENT 'Span.timestamp(): epoch micros used for endTs query and to implement TTL', `duration` BIGINT COMMENT 'Span.duration(): micros used for minDuration and maxDuration query' ) ENGINE=InnoDB ROW_FORMAT=COMPRESSED CHARACTER SET=utf8 COLLATE utf8_general_ci; ALTER TABLE zipkin_spans ADD UNIQUE KEY(`trace_id_high`, `trace_id`, `id`) COMMENT 'ignore insert on duplicate'; ALTER TABLE zipkin_spans ADD INDEX(`trace_id_high`, `trace_id`, `id`) COMMENT 'for joining with zipkin_annotations'; ALTER TABLE zipkin_spans ADD INDEX(`trace_id_high`, `trace_id`) COMMENT 'for getTracesByIds'; ALTER TABLE zipkin_spans ADD INDEX(`name`) COMMENT 'for getTraces and getSpanNames'; ALTER TABLE zipkin_spans ADD INDEX(`start_ts`) COMMENT 'for getTraces ordering and range'; CREATE TABLE IF NOT EXISTS zipkin_annotations ( `trace_id_high` BIGINT NOT NULL DEFAULT 0 COMMENT 'If non zero, this means the trace uses 128 bit traceIds instead of 64 bit', `trace_id` BIGINT NOT NULL COMMENT 'coincides with zipkin_spans.trace_id', `span_id` BIGINT NOT NULL COMMENT 'coincides with zipkin_spans.id', `a_key` VARCHAR(255) NOT NULL COMMENT 'BinaryAnnotation.key or Annotation.value if type == -1', `a_value` BLOB COMMENT 'BinaryAnnotation.value(), which must be smaller than 64KB', `a_type` INT NOT NULL COMMENT 'BinaryAnnotation.type() or -1 if Annotation', `a_timestamp` BIGINT COMMENT 'Used to implement TTL; Annotation.timestamp or zipkin_spans.timestamp', `endpoint_ipv4` INT COMMENT 'Null when Binary/Annotation.endpoint is null', `endpoint_ipv6` BINARY(16) COMMENT 'Null when Binary/Annotation.endpoint is null, or no IPv6 address', `endpoint_port` SMALLINT COMMENT 'Null when Binary/Annotation.endpoint is null', `endpoint_service_name` VARCHAR(255) COMMENT 'Null when Binary/Annotation.endpoint is null' ) ENGINE=InnoDB ROW_FORMAT=COMPRESSED CHARACTER SET=utf8 COLLATE utf8_general_ci; ALTER TABLE zipkin_annotations ADD UNIQUE KEY(`trace_id_high`, `trace_id`, `span_id`, `a_key`, `a_timestamp`) COMMENT 'Ignore insert on duplicate'; ALTER TABLE zipkin_annotations ADD INDEX(`trace_id_high`, `trace_id`, `span_id`) COMMENT 'for joining with zipkin_spans'; ALTER TABLE zipkin_annotations ADD INDEX(`trace_id_high`, `trace_id`) COMMENT 'for getTraces/ByIds'; ALTER TABLE zipkin_annotations ADD INDEX(`endpoint_service_name`) COMMENT 'for getTraces and getServiceNames'; ALTER TABLE zipkin_annotations ADD INDEX(`a_type`) COMMENT 'for getTraces'; ALTER TABLE zipkin_annotations ADD INDEX(`a_key`) COMMENT 'for getTraces'; ALTER TABLE zipkin_annotations ADD INDEX(`trace_id`, `span_id`, `a_key`) COMMENT 'for dependencies job'; CREATE TABLE IF NOT EXISTS zipkin_dependencies ( `day` DATE NOT NULL, `parent` VARCHAR(255) NOT NULL, `child` VARCHAR(255) NOT NULL, `call_count` BIGINT, `error_count` BIGINT ) ENGINE=InnoDB ROW_FORMAT=COMPRESSED CHARACTER SET=utf8 COLLATE utf8_general_ci; ALTER TABLE zipkin_dependencies ADD UNIQUE KEY(`day`, `parent`, `child`);
client 端的配置
<dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-sleuth</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-sleuth-zipkin</artifactId> </dependency>
#zipkin采样率,默认为0.1,改成1后全采样,可是会下降接口调用效率 spring.sleuth.sampler.percentage=1.0 #服务链路追踪 spring.zipkin.base-url=http://localhost:8867
spring.zipkin.base-url=http://localhost:8867 这个主意不须要添加/zipkin 后缀
启动运行的结果图
服务之间依赖调用关系图
ps : zikpin 还提供其余方式的存贮 如 Cassandra,Elasticsearch