来源:http://t.cn/EyQa9Cs
Apache Skywalking(Incubator) 专门为微服务架构和云原生架构系统而设计并且支持分布式链路追踪的APM系统。Apache Skywalking(Incubator)通过加载探针的方式收集应用调用链路信息,并对采集的调用链路信息进行分析,生成应用间关系和服务间关系以及服务指标。Apache Skywalking (Incubating)目前支持多种语言,其中包括Java,.Net Core,Node.js和Go语言。
目前Skywalking已经支持从6个可视化维度剖析分布式系统的运行情况。
Dubbo实例程序已上传到Github仓库中。方便大家下载使用。
服务接口:
package org.apache.skywalking.demo.interfaces;
public interface HelloService {
String sayHello(String name);
}
package org.apache.skywalking.demo.provider;
@Service(version = "${demo.service.version}",
application = "${dubbo.application.id}",
protocol = "${dubbo.protocol.id}",
registry = "${dubbo.registry.id}", timeout = 60000)
public class HelloServiceImpl implements HelloService {
public String sayHello(String name) {
LockSupport.parkNanos(TimeUnit.SECONDS.toNanos(1));
return "Hello, " + name;
}
}
package org.apache.skywalking.demo.consumer;
@RestController
public class ConsumerController {
private static int COUNT = 0;
@Reference(version = "${demo.service.version}",
application = "${dubbo.application.id}",
url = "dubbo://localhost:20880", timeout = 60000)
private HelloService helloService;
@GetMapping("/sayHello/{name}")
public String sayHello(@PathVariable(name = "name") String name) {
if ((COUNT++) % 3 == 0){
throw new RuntimeException();
}
LockSupport.parkNanos(TimeUnit.SECONDS.toNanos(2));
return helloService.sayHello(name);
}
}
Apache Skywalking(Incubator)共提供两种部署模式:单节点模式和集群模式,以下为单节点模式部署步骤,集群模式部署详情参考文档。
cluster.name
设置成CollectorDBCluster
。此名称需要和collector配置文件一致。network.host
值,将network.host
的值修改成0.0.0.0
。bin/startup.sh
命令即可启动Skywalking Collector在启动示例程序之前,执行编译打包的命令:
./mvnw clean package
java -jar -javaagent:$AGENT_PATH/skywalking-agent.jar -Dskywalking.agent.application_code=dubbo-provider -Dskywalking.collector.servers=localhost:10800 dubbo-provider/target/dubbo-provider.jar
java -jar -javaagent:$AGENT_PATH/skywalking-agent.jar -Dskywalking.agent.application_code=dubbo-consumer -Dskywalking.collector.servers=localhost:10800 dubbo-consumer/target/dubbo-consumer.jar
curl http://localhost:8080/sayHello/test
/admin-guide/images/skywalking-dashboard.png
/admin-guide/images/skywalking-topology.png
/admin-guide/images/skywalking-application.png
JVM信息
/admin-guide/images/skywalking-application_instance.png
服务消费端:
/admin-guide/images/skywalking-service-consumer.png
服务提供端:
/admin-guide/images/skywalking-service-provider.png
/admin-guide/images/skywalking-trace.png
Span信息:
/admin-guide/images/skywalking-span-Info.png
/admin-guide/images/skywalking-alarm.png