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【云原生 | Kubernetes 系列】dubbo架构_k8s部署dubbo服务
作者：我家自动化 | 2024-03-01 00:11:20
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k8s部署dubbo服务
1. provider 镜像制作
Dockerfile
#Dubbo provider
FROM harbor.intra.com/pub-images/jdk-base:v8.212
RUN yum install file nc -y
RUN mkdir -p /apps/dubbo/provider
ADD dubbo-demo-provider-2.1.5/ /apps/dubbo/provider
ADD run_java.sh /apps/dubbo/provider/bin
RUN chown nginx.nginx /apps -R
RUN chmod a+x /apps/dubbo/provider/bin/*.sh
CMD ["/apps/dubbo/provider/bin/run_java.sh"]
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build脚本
#!/bin/bash
docker build -t harbor.intra.com/wework/dubbo-demo-provider:v1 .
sleep 3
docker push harbor.intra.com/wework/dubbo-demo-provider:v1
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修改配置文件
ping 通zookeeper的svc
[root@wordpress-app-deployment-67bc78cf9-cn5cf /]# ping zookeeper1.wework.svc.magedu.local
PING zookeeper1.wework.svc.magedu.local (10.200.167.230) 56(84) bytes of data.
64 bytes from zookeeper1.wework.svc.magedu.local (10.200.167.230): icmp_seq=1 ttl=64 time=0.086 ms
[root@wordpress-app-deployment-67bc78cf9-cn5cf /]# ping zookeeper2.wework.svc.magedu.local -c 1
PING zookeeper2.wework.svc.magedu.local (10.200.36.129) 56(84) bytes of data.
64 bytes from zookeeper2.wework.svc.magedu.local (10.200.36.129): icmp_seq=1 ttl=64 time=0.065 ms
[root@wordpress-app-deployment-67bc78cf9-cn5cf /]# ping zookeeper3.wework.svc.magedu.local -c 1
PING zookeeper3.wework.svc.magedu.local (10.200.190.129) 56(84) bytes of data.
64 bytes from zookeeper3.wework.svc.magedu.local (10.200.190.129): icmp_seq=1 ttl=64 time=0.064 ms
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修改dubbo-demo-provider-2.1.5/conf/dubbo.properties
dubbo.container=log4j,spring
dubbo.application.name=demo-provider
dubbo.application.owner=
#dubbo.registry.address=multicast://224.5.6.7:1234
dubbo.registry.address=zookeeper://zookeeper1.wework.svc.magedu.local:2181 | zookeeper://zookeeper2.wework.svc.magedu.local:2181 | zookeeper://zookeeper3.wework.svc.magedu.local:2181
#dubbo.registry.address=redis://127.0.0.1:6379
#dubbo.registry.address=dubbo://127.0.0.1:9090
dubbo.monitor.protocol=registry
dubbo.protocol.name=dubbo
dubbo.protocol.port=20880
dubbo.log4j.file=logs/dubbo-demo-provider.log
dubbo.log4j.level=WARN
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构建镜像
root@k8s-master-01:/opt/k8s-data/dockerfile/web/wework/dubbo/provider# ./build-command.sh Successfully built 9fc1b5f5d563 Successfully tagged harbor.intra.com/wework/dubbo-demo-provider:v1 The push refers to repository [harbor.intra.com/wework/dubbo-demo-provider] 0ee8c7ff4613: Pushed ce6d48934134: Pushed 6e95248e3e50: Pushed 0fdc61076c5e: Pushed c9d9ddb0c6ce: Pushed 2f69d34236bc: Pushed aadaa9679cb8: Mounted from wework/jenkins fc305a4ba468: Mounted from wework/jenkins ab93afc6a659: Mounted from wework/jenkins d7f831641e18: Mounted from wework/jenkins f4b52134c525: Mounted from wework/jenkins 0533300cca03: Mounted from wework/jenkins 30a12549c4a3: Mounted from wework/jenkins ce1fb445c72c: Mounted from wework/jenkins 174f56854903: Mounted from wework/wordpress-php-5.6 v1: digest: sha256:d2b539a3a2ef6b1bd7b3d56e9167959671d06c7cbb28196af8ffee889ce292ef size: 3467 ## 测试 root@k8s-master-01:/opt/k8s-data/dockerfile/web/wework/dubbo/provider# docker run -it harbor.intra.com/wework/dubbo-demo-provider:v1 bash [root@546bc122aa8d /]# ll -lh /apps/dubbo/provider/bin/*.sh -rwxr-xr-x 1 nginx nginx 2.2K Apr 13 2012 /apps/dubbo/provider/bin/dump.sh
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2. provides k8s部署
provider.yaml
kind: Deployment #apiVersion: extensions/v1beta1 apiVersion: apps/v1 metadata: labels: app: wework-provider name: wework-provider-deployment namespace: wework spec: replicas: 1 selector: matchLabels: app: wework-provider template: metadata: labels: app: wework-provider spec: containers: - name: wework-provider-container image: harbor.intra.com/wework/dubbo-demo-provider:v1 #command: ["/apps/tomcat/bin/run_tomcat.sh"] #imagePullPolicy: IfNotPresent imagePullPolicy: Always ports: - containerPort: 20880 protocol: TCP name: http --- kind: Service apiVersion: v1 metadata: labels: app: wework-provider name: wework-provider-spec namespace: wework spec: type: NodePort ports: - name: http port: 80 protocol: TCP targetPort: 20880 #nodePort: 30001 selector: app: wework-provider
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provides deployment部署
root@k8s-master-01:/opt/k8s-data/yaml/web/wework/dubbo/provider# kubectl apply -f provider.yaml deployment.apps/wework-provider-deployment created service/wework-provider-spec created root@k8s-master-01:/opt/k8s-data/yaml/web/wework/dubbo/provider# kubectl get pods -n wework NAME READY STATUS RESTARTS AGE mysql-0 2/2 Running 0 7h5m mysql-1 2/2 Running 0 7h5m mysql-2 2/2 Running 0 7h5m mysql-3 2/2 Running 0 7h5m wework-jenkins-deployment-5697fd66cf-mw8dl 1/1 Running 0 6h10m wework-provider-deployment-d5d886998-n2xdn 1/1 Running 0 61s wordpress-app-deployment-67bc78cf9-cn5cf 2/2 Running 0 4h18m zookeeper1-699d46468c-62nfk 1/1 Running 0 19h zookeeper2-7cc484778-fl594 1/1 Running 0 19h zookeeper3-cdf484f7c-bb9fr 1/1 Running 0 19h root@k8s-master-01:/opt/k8s-data/yaml/web/wework/dubbo/provider# kubectl get svc -n wework NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE mysql ClusterIP None <none> 3306/TCP 24h mysql-read ClusterIP 10.200.195.5 <none> 3306/TCP 24h wework-jenkins-service NodePort 10.200.71.97 <none> 80:38080/TCP 6h48m wework-nginx-service NodePort 10.200.89.252 <none> 80:30090/TCP,443:30091/TCP 4d2h wework-provider-spec NodePort 10.200.58.29 <none> 80:50515/TCP 89s wework-tomcat-app1-service ClusterIP 10.200.21.158 <none> 80/TCP 3d7h wordpress-app-spec NodePort 10.200.171.213 <none> 80:30031/TCP,443:30033/TCP 4h18m zookeeper ClusterIP 10.200.117.19 <none> 2181/TCP 2d5h zookeeper1 NodePort 10.200.167.230 <none> 2181:32181/TCP,2888:31774/TCP,3888:56670/TCP 2d5h zookeeper2 NodePort 10.200.36.129 <none> 2181:32182/TCP,2888:46321/TCP,3888:30984/TCP 2d5h zookeeper3 NodePort 10.200.190.129 <none> 2181:32183/TCP,2888:61447/TCP,3888:51393/TCP 2d5h ## 查看容器状态是否正常 root@k8s-master-01:/opt/k8s-data/yaml/web/wework/dubbo/provider# kubectl logs wework-provider-deployment-d5d886998-n2xdn -n wework Ncat: Idle timeout expired (1000 ms). Ncat: Idle timeout expired (1000 ms). Ncat: Idle timeout expired (1000 ms). Ncat: Idle timeout expired (1000 ms). Ncat: Idle timeout expired (1000 ms). Ncat: Idle timeout expired (1000 ms). Starting the demo-provider .......................................................OK! PID: 58 STDOUT: logs/stdout.log # Kubernetes-managed hosts file. 127.0.0.1 localhost ::1 localhost ip6-localhost ip6-loopback fe00::0 ip6-localnet fe00::0 ip6-mcastprefix fe00::1 ip6-allnodes fe00::2 ip6-allrouters 172.100.140.99 wework-provider-deployment-d5d886998-n2xdn
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3. Consumer 镜像制作
Dockerfile
#Dubbo consumer
FROM harbor.intra.com/pub-images/jdk-base:v8.212
RUN yum install file -y
RUN mkdir -p /apps/dubbo/consumer
ADD dubbo-demo-consumer-2.1.5 /apps/dubbo/consumer
ADD run_java.sh /apps/dubbo/consumer/bin
RUN chown nginx.nginx /apps -R
RUN chmod a+x /apps/dubbo/consumer/bin/*.sh
CMD ["/apps/dubbo/consumer/bin/run_java.sh"]
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build文件
#!/bin/bash
docker build -t harbor.intra.com/wework/dubbo-demo-consumer:v1 .
sleep 3
docker push harbor.intra.com/wework/dubbo-demo-consumer:v1
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dubbo配置文件
dubbo.container=log4j,spring
dubbo.application.name=demo-consumer
dubbo.application.owner=
#dubbo.registry.address=multicast://224.5.6.7:1234
dubbo.registry.address=zookeeper://zookeeper1.wework.svc.magedu.local:2181 | zookeeper://zookeeper2.wework.svc.magedu.local:2181 | zookeeper://zookeeper3.wework.svc.magedu.local:2181
#dubbo.registry.address=redis://127.0.0.1:6379
#dubbo.registry.address=dubbo://127.0.0.1:9090
dubbo.monitor.protocol=registry
dubbo.log4j.file=logs/dubbo-demo-consumer.log
dubbo.log4j.level=WARN
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构建镜像
root@k8s-master-01:/opt/k8s-data/dockerfile/web/wework/dubbo/consumer# ./build-command.sh
Sending build context to Docker daemon 21.84MB
ce1fb445c72c: Mounted from wework/dubbo-demo-provider
174f56854903: Mounted from wework/dubbo-demo-provider
v1: digest: sha256:2ae544fea359abd06f3b79e6818bb29b5583ffdcac8762f9969893279063466e size: 3467
root@k8s-master-01:/opt/k8s-data/dockerfile/web/wework/dubbo/consumer# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
harbor.intra.com/wework/dubbo-demo-consumer v1 8da9abdb490a 33 seconds ago 1.71GB
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4. consumer k8s部署
kind: Deployment apiVersion: apps/v1 metadata: labels: app: wework-consumer name: wework-consumer-deployment namespace: wework spec: replicas: 1 selector: matchLabels: app: wework-consumer template: metadata: labels: app: wework-consumer spec: containers: - name: wework-consumer-container image: harbor.intra.com/wework/dubbo-demo-consumer:v1 #command: ["/apps/tomcat/bin/run_tomcat.sh"] #imagePullPolicy: IfNotPresent imagePullPolicy: Always ports: - containerPort: 80 protocol: TCP name: http --- kind: Service apiVersion: v1 metadata: labels: app: wework-consumer name: wework-consumer-server namespace: wework spec: type: NodePort ports: - name: http port: 80 protocol: TCP targetPort: 80 #nodePort: 30001 selector: app: wework-consumer
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部署consumer Deployment
root@k8s-master-01:/opt/k8s-data/yaml/web/wework/dubbo/consumer# kubectl apply -f consumer.yaml deployment.apps/wework-consumer-deployment created service/wework-consumer-server created root@k8s-master-01:/opt/k8s-data/yaml/web/wework/dubbo/consumer# kubectl get pods -n wework NAME READY STATUS RESTARTS AGE mysql-0 2/2 Running 0 7h50m mysql-1 2/2 Running 0 7h49m mysql-2 2/2 Running 0 7h49m mysql-3 2/2 Running 0 7h49m wework-consumer-deployment-5ffd465f85-gbk49 1/1 Running 0 8s wework-jenkins-deployment-5697fd66cf-mw8dl 1/1 Running 0 6h54m wework-provider-deployment-d5d886998-n2xdn 1/1 Running 0 45m wordpress-app-deployment-67bc78cf9-cn5cf 2/2 Running 0 5h2m zookeeper1-699d46468c-62nfk 1/1 Running 0 20h zookeeper2-7cc484778-fl594 1/1 Running 0 20h zookeeper3-cdf484f7c-bb9fr 1/1 Running 0 20h
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在provide POD里监控/apps/dubbo/provider/logs/*.log,发现consumer已经连上
5. 增加pod数量
调整provider的数量
root@k8s-master-01:/opt/k8s-data/yaml/wework/zookeeper# kubectl scale --replicas=2 -n wework deployment wework-provider-deployment deployment.apps/wework-provider-deployment scaled root@k8s-master-01:/opt/k8s-data/yaml/wework/zookeeper# kubectl get pods -n wework NAME READY STATUS RESTARTS AGE mysql-0 2/2 Running 0 8h mysql-1 2/2 Running 0 8h mysql-2 2/2 Running 0 8h mysql-3 2/2 Running 0 8h wework-consumer-deployment-5ffd465f85-gbk49 1/1 Running 0 19m wework-jenkins-deployment-5697fd66cf-mw8dl 1/1 Running 0 7h13m wework-provider-deployment-d5d886998-2zhdx 1/1 Running 0 41s wework-provider-deployment-d5d886998-n2xdn 1/1 Running 0 64m wordpress-app-deployment-67bc78cf9-cn5cf 2/2 Running 0 5h21m zookeeper1-699d46468c-62nfk 1/1 Running 0 20h zookeeper2-7cc484778-fl594 1/1 Running 0 20h zookeeper3-cdf484f7c-bb9fr 1/1 Running 0 20h
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此时consumer上就会看到2个provider的记录
[root@wework-consumer-deployment-5ffd465f85-gbk49 /]# cd /a anaconda-post.log apps/ [root@wework-consumer-deployment-5ffd465f85-gbk49 /]# cd /apps/dubbo/consumer/logs/ [root@wework-consumer-deployment-5ffd465f85-gbk49 logs]# tail -f *.log ==> dubbo-demo-consumer.log <== at com.alibaba.dubbo.common.bytecode.proxy1.count(proxy1.java) at com.alibaba.dubbo.monitor.dubbo.DubboMonitor.send(DubboMonitor.java:112) at com.alibaba.dubbo.monitor.dubbo.DubboMonitor$1.run(DubboMonitor.java:69) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) ==> stdout.log <== [16:54:39] Hello world581, response form provider: 172.100.76.168:20880 [16:54:41] Hello world582, response form provider: 172.100.140.99:20880 [16:54:43] Hello world583, response form provider: 172.100.76.168:20880 [16:54:45] Hello world584, response form provider: 172.100.140.99:20880 [16:54:47] Hello world585, response form provider: 172.100.76.168:20880 [16:54:49] Hello world586, response form provider: 172.100.140.99:20880 [16:54:51] Hello world587, response form provider: 172.100.76.168:20880 [16:54:53] Hello world588, response form provider: 172.100.140.99:20880 [16:54:55] Hello world589, response form provider: 172.100.76.168:20880 [16:54:57] Hello world590, response form provider: 172.100.140.99:20880 [16:54:59] Hello world591, response form provider: 172.100.76.168:20880 [16:55:01] Hello world592, response form provider: 172.100.140.99:20880
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当减少一个provider时,注册中心watch到变化,通知consumer,consumer就不再调用这个provider了
root@k8s-master-01:/opt/k8s-data/yaml/wework/zookeeper# kubectl scale --replicas=1 -n wework deployment wework-provider-deployment deployment.apps/wework-provider-deployment scaled root@k8s-master-01:/opt/k8s-data/yaml/wework/zookeeper# kubectl get pods -n wework NAME READY STATUS RESTARTS AGE mysql-0 2/2 Running 0 8h mysql-1 2/2 Running 0 8h mysql-2 2/2 Running 0 8h mysql-3 2/2 Running 0 8h wework-consumer-deployment-5ffd465f85-gbk49 1/1 Running 0 22m wework-jenkins-deployment-5697fd66cf-mw8dl 1/1 Running 0 7h17m wework-provider-deployment-d5d886998-2zhdx 1/1 Terminating 0 4m15s wework-provider-deployment-d5d886998-n2xdn 1/1 Running 0 68m wordpress-app-deployment-67bc78cf9-cn5cf 2/2 Running 0 5h25m zookeeper1-699d46468c-62nfk 1/1 Running 0 20h zookeeper2-7cc484778-fl594 1/1 Running 0 20h zookeeper3-cdf484f7c-bb9fr 1/1 Running 0 20h root@k8s-master-01:/opt/k8s-data/yaml/wework/zookeeper# kubectl get pods -n wework NAME READY STATUS RESTARTS AGE mysql-0 2/2 Running 0 8h mysql-1 2/2 Running 0 8h mysql-2 2/2 Running 0 8h mysql-3 2/2 Running 0 8h wework-consumer-deployment-5ffd465f85-gbk49 1/1 Running 0 22m wework-jenkins-deployment-5697fd66cf-mw8dl 1/1 Running 0 7h17m wework-provider-deployment-d5d886998-n2xdn 1/1 Running 0 68m wordpress-app-deployment-67bc78cf9-cn5cf 2/2 Running 0 5h25m zookeeper1-699d46468c-62nfk 1/1 Running 0 20h zookeeper2-7cc484778-fl594 1/1 Running 0 20h zookeeper3-cdf484f7c-bb9fr 1/1 Running 0 20h
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Caused by: java.net.ConnectException: connection timed out at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.processConnectTimeout(NioClientSocketPipelineSink.java:371) at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.run(NioClientSocketPipelineSink.java:283) ... 3 more 2022-08-12 16:57:53,127 [DubboClientReconnectTimer-thread-2] WARN com.alibaba.dubbo.remoting.transport.AbstractClient$1 (AbstractClient.java:158) - [DUBBO] client reconnect to 172.100.76.168:20880 find error . url: dubbo://172.100.76.168:20880/com.alibaba.dubbo.demo.DemoService?anyhost=true&application=demo-consumer&check=false&codec=dubbo&dubbo=2.1.5&heartbeat=60000&interface=com.alibaba.dubbo.demo.DemoService&loadbalance=roundrobin&methods=sayHello&monitor=dubbo%3A%2F%2Fzookeeper1.wework.svc.magedu.local%3A2181%2Fcom.alibaba.dubbo.registry.RegistryService%3Fapplication%3Ddemo-consumer%26dubbo%3D2.1.5%26pid%3D54%26protocol%3Dregistry%26refer%3Ddubbo%253D2.1.5%2526interface%253Dcom.alibaba.dubbo.monitor.MonitorService%2526pid%253D54%2526timestamp%253D1660293315204%26registry%3Dzookeeper%26timestamp%3D1660293315195&pid=54&revision=2.1.5×tamp=1660293315151, dubbo version: 2.1.5, current host: 172.100.109.110 com.alibaba.dubbo.remoting.RemotingException: client(url: dubbo://172.100.76.168:20880/com.alibaba.dubbo.demo.DemoService?anyhost=true&application=demo-consumer&check=false&codec=dubbo&dubbo=2.1.5&heartbeat=60000&interface=com.alibaba.dubbo.demo.DemoService&loadbalance=roundrobin&methods=sayHello&monitor=dubbo%3A%2F%2Fzookeeper1.wework.svc.magedu.local%3A2181%2Fcom.alibaba.dubbo.registry.RegistryService%3Fapplication%3Ddemo-consumer%26dubbo%3D2.1.5%26pid%3D54%26protocol%3Dregistry%26refer%3Ddubbo%253D2.1.5%2526interface%253Dcom.alibaba.dubbo.monitor.MonitorService%2526pid%253D54%2526timestamp%253D1660293315204%26registry%3Dzookeeper%26timestamp%3D1660293315195&pid=54&revision=2.1.5×tamp=1660293315151) failed to connect to server /172.100.76.168:20880, error message is:connection timed out at com.alibaba.dubbo.remoting.transport.netty.NettyClient.doConnect(NettyClient.java:123) at com.alibaba.dubbo.remoting.transport.AbstractClient.connect(AbstractClient.java:278) at com.alibaba.dubbo.remoting.transport.AbstractClient.access$000(AbstractClient.java:50) at com.alibaba.dubbo.remoting.transport.AbstractClient$1.run(AbstractClient.java:143) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.ConnectException: connection timed out at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.processConnectTimeout(NioClientSocketPipelineSink.java:371) at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.run(NioClientSocketPipelineSink.java:283) at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:44) ... 3 more ==> stdout.log <== [16:57:54] Hello world678, response form provider: 172.100.140.99:20880 [16:57:56] Hello world679, response form provider: 172.100.140.99:20880 [16:57:58] Hello world680, response form provider: 172.100.140.99:20880 [16:58:00] Hello world681, response form provider: 172.100.140.99:20880 [16:58:02] Hello world682, response form provider: 172.100.140.99:20880 [16:58:04] Hello world683, response form provider: 172.100.140.99:20880
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