{"id":13312,"date":"2024-11-15T17:15:56","date_gmt":"2024-11-15T09:15:56","guid":{"rendered":"https:\/\/fwq.ai\/blog\/13312\/"},"modified":"2024-11-15T17:15:56","modified_gmt":"2024-11-15T09:15:56","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8docker%e4%b8%ad%e8%ae%be%e7%bd%ae%e5%ae%b9%e5%99%a8%e7%9a%84%e5%8a%a8%e6%80%81%e8%b5%84%e6%ba%90%e5%88%86%e9%85%8d%e4%b8%8e%e4%bc%98%e5%8c%96%e7%ad%96%e7%95%a5","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/13312\/","title":{"rendered":"\u5982\u4f55\u5728Docker\u4e2d\u8bbe\u7f6e\u5bb9\u5668\u7684\u52a8\u6001\u8d44\u6e90\u5206\u914d\u4e0e\u4f18\u5316\u7b56\u7565"},"content":{"rendered":"

\u5982\u4f55\u5728Docker\u4e2d\u8bbe\u7f6e\u5bb9\u5668\u7684\u52a8\u6001\u8d44\u6e90\u5206\u914d\u4e0e\u4f18\u5316\u7b56\u7565<\/h1>\n

\u968f\u7740\u4e91\u8ba1\u7b97\u548c\u5bb9\u5668\u5316\u6280\u672f\u7684\u8fc5\u901f\u53d1\u5c55\uff0cDocker\u5df2\u6210\u4e3a\u5f00\u53d1\u548c\u90e8\u7f72\u5e94\u7528\u7a0b\u5e8f\u7684\u91cd\u8981\u5de5\u5177\u3002Docker\u5bb9\u5668\u7684\u7075\u6d3b\u6027\u548c\u53ef\u79fb\u690d\u6027\u4f7f\u5f97\u5b83\u4eec\u5728\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002\u7136\u800c\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u4f18\u5316Docker\u5bb9\u5668\u7684\u8d44\u6e90\u5206\u914d\uff0c\u5c24\u5176\u662f\u5728\u52a8\u6001\u73af\u5883\u4e2d\uff0c\u4ecd\u7136\u662f\u4e00\u4e2a\u6311\u6218\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5728Docker\u4e2d\u8bbe\u7f6e\u5bb9\u5668\u7684\u52a8\u6001\u8d44\u6e90\u5206\u914d\u4e0e\u4f18\u5316\u7b56\u7565\u7684\u65b9\u6cd5\u3002<\/p>\n

1. \u7406\u89e3Docker\u8d44\u6e90\u7ba1\u7406<\/h2>\n

Docker\u5bb9\u5668\u7684\u8d44\u6e90\u7ba1\u7406\u4e3b\u8981\u5305\u62ecCPU\u3001\u5185\u5b58\u3001\u5b58\u50a8\u548c\u7f51\u7edc\u7b49\u65b9\u9762\u3002Docker\u5141\u8bb8\u7528\u6237\u5728\u521b\u5efa\u5bb9\u5668\u65f6\u6307\u5b9a\u8fd9\u4e9b\u8d44\u6e90\u7684\u9650\u5236\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u9650\u5236\u5bb9\u5668\u7684CPU\u548c\u5185\u5b58\u4f7f\u7528\uff1a<\/p>\n

docker run -d --name my_container --memory=\"512m\" --cpus=\"1.0\" my_image<\/code><\/pre>\n
\u5728\u8fd9\u4e2a\u547d\u4ee4\u4e2d\uff0c`–memory`\u9009\u9879\u9650\u5236\u4e86\u5bb9\u5668\u7684\u5185\u5b58\u4f7f\u7528\uff0c\u800c`–cpus`\u9009\u9879\u9650\u5236\u4e86\u5bb9\u5668\u7684CPU\u4f7f\u7528\u3002\u8fd9\u79cd\u9759\u6001\u8d44\u6e90\u5206\u914d\u867d\u7136\u7b80\u5355\uff0c\u4f46\u5728\u52a8\u6001\u8d1f\u8f7d\u60c5\u51b5\u4e0b\u53ef\u80fd\u65e0\u6cd5\u6ee1\u8db3\u9700\u6c42\u3002<\/p>\n
2. \u52a8\u6001\u8d44\u6e90\u5206\u914d\u7684\u5fc5\u8981\u6027<\/h2>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u8d1f\u8f7d\u53ef\u80fd\u4f1a\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u800c\u53d8\u5316\u3002\u4f8b\u5982\uff0c\u67d0\u4e9b\u5e94\u7528\u5728\u9ad8\u5cf0\u671f\u53ef\u80fd\u9700\u8981\u66f4\u591a\u7684\u8d44\u6e90\uff0c\u800c\u5728\u4f4e\u5cf0\u671f\u5219\u53ef\u4ee5\u51cf\u5c11\u8d44\u6e90\u4f7f\u7528\u3002\u52a8\u6001\u8d44\u6e90\u5206\u914d\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8c03\u6574\u5bb9\u5668\u7684\u8d44\u6e90\uff0c\u4ece\u800c\u63d0\u9ad8\u8d44\u6e90\u5229\u7528\u7387\uff0c\u964d\u4f4e\u6210\u672c\u3002<\/p>\n
3. \u4f7f\u7528Docker Swarm\u8fdb\u884c\u52a8\u6001\u8d44\u6e90\u7ba1\u7406<\/h2>\n
Docker Swarm\u662fDocker\u7684\u539f\u751f\u96c6\u7fa4\u7ba1\u7406\u5de5\u5177\uff0c\u652f\u6301\u5bb9\u5668\u7684\u81ea\u52a8\u8c03\u5ea6\u548c\u8d1f\u8f7d\u5747\u8861\u3002\u901a\u8fc7Docker Swarm\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u5bb9\u5668\u7684\u52a8\u6001\u6269\u5c55\u548c\u7f29\u51cf\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Docker Swarm\u8fdb\u884c\u670d\u52a1\u7684\u6269\u5c55\uff1a<\/p>\n
docker service scale my_service=5<\/code><\/pre>\n
\u8fd9\u4e2a\u547d\u4ee4\u5c06`my_service`\u7684\u5b9e\u4f8b\u6570\u91cf\u6269\u5c55\u52305\u4e2a\u3002Docker Swarm\u4f1a\u81ea\u52a8\u6839\u636e\u5f53\u524d\u7684\u8d1f\u8f7d\u60c5\u51b5\u5206\u914d\u8d44\u6e90\u3002<\/p>\n
4. \u76d1\u63a7\u4e0e\u4f18\u5316<\/h2>\n
\u4e3a\u4e86\u5b9e\u73b0\u52a8\u6001\u8d44\u6e90\u5206\u914d\uff0c\u76d1\u63a7\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u76d1\u63a7\u5de5\u5177\uff0c\u5982Prometheus\u548cGrafana\uff0c\u6765\u5b9e\u65f6\u76d1\u63a7\u5bb9\u5668\u7684\u6027\u80fd\u6307\u6807\u3002\u901a\u8fc7\u8bbe\u7f6e\u544a\u8b66\u89c4\u5219\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u8d44\u6e90\u4f7f\u7528\u8d85\u8fc7\u9608\u503c\u65f6\u81ea\u52a8\u89e6\u53d1\u6269\u5c55\u6216\u7f29\u51cf\u64cd\u4f5c\u3002<\/p>\n
4.1 Prometheus\u4e0eGrafana\u7684\u96c6\u6210<\/h3>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684Prometheus\u914d\u7f6e\u793a\u4f8b\uff0c\u7528\u4e8e\u76d1\u63a7Docker\u5bb9\u5668\uff1a<\/p>\n
scrape_configs:\n  - job_name: 'docker'\n    static_configs:\n      - targets: ['localhost:9090']<\/code><\/pre>\n
\u901a\u8fc7Grafana\uff0c\u6211\u4eec\u53ef\u4ee5\u53ef\u89c6\u5316\u8fd9\u4e9b\u76d1\u63a7\u6570\u636e\uff0c\u5e76\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8c03\u6574\u8d44\u6e90\u5206\u914d\u7b56\u7565\u3002<\/p>\n
4.2 \u81ea\u52a8\u5316\u5de5\u5177<\/h3>\n
\u9664\u4e86\u624b\u52a8\u8c03\u6574\u8d44\u6e90\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528Kubernetes\u7b49\u5bb9\u5668\u7f16\u6392\u5de5\u5177\u6765\u5b9e\u73b0\u66f4\u9ad8\u7ea7\u7684\u52a8\u6001\u8d44\u6e90\u7ba1\u7406\u3002Kubernetes\u652f\u6301Horizontal Pod Autoscaler\uff08HPA\uff09\uff0c\u53ef\u4ee5\u6839\u636eCPU\u6216\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u81ea\u52a8\u8c03\u6574Pod\u7684\u6570\u91cf\u3002<\/p>\n
apiVersion: autoscaling\/v2beta2\nkind: HorizontalPodAutoscaler\nmetadata:\n  name: my-hpa\nspec:\n  scaleTargetRef:\n    apiVersion: apps\/v1\n    kind: Deployment\n    name: my-deployment\n  minReplicas: 1\n  maxReplicas: 10\n  metrics:\n  - type: Resource\n    resource:\n      name: cpu\n      target:\n        type: Utilization\n        averageUtilization: 50<\/code><\/pre>\n
5. \u603b\u7ed3<\/h2>\n
\u5728Docker\u4e2d\u8bbe\u7f6e\u5bb9\u5668\u7684\u52a8\u6001\u8d44\u6e90\u5206\u914d\u4e0e\u4f18\u5316\u7b56\u7565\u662f\u63d0\u9ad8\u8d44\u6e90\u5229\u7528\u7387\u548c\u964d\u4f4e\u6210\u672c\u7684\u6709\u6548\u65b9\u6cd5\u3002\u901a\u8fc7\u4f7f\u7528Docker Swarm\u3001\u76d1\u63a7\u5de5\u5177\u4ee5\u53ca\u81ea\u52a8\u5316\u5de5\u5177\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u5bb9\u5668\u8d44\u6e90\u7684\u52a8\u6001\u7ba1\u7406\u3002\u5bf9\u4e8e\u5e0c\u671b\u5728\u4e91\u73af\u5883\u4e2d\u4f18\u5316\u8d44\u6e90\u5206\u914d\u7684\u7528\u6237\uff0c\u9009\u62e9\u5408\u9002\u7684\u670d\u52a1\u63d0\u4f9b\u5546\u81f3\u5173\u91cd\u8981\u3002\u7c73\u4e91\u63d0\u4f9b\u591a\u79cd\u4e91\u670d\u52a1\u5668\u89e3\u51b3\u65b9\u6848\uff0c\u5305\u62ec\u7f8e\u56fdVPS<\/a>\u548c\u4e91\u670d\u52a1\u5668<\/a>\uff0c\u5e2e\u52a9\u7528\u6237\u5b9e\u73b0\u9ad8\u6548\u7684\u8d44\u6e90\u7ba1\u7406\u4e0e\u4f18\u5316\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u5728Docker\u4e2d\u8bbe\u7f6e\u5bb9\u5668\u7684\u52a8\u6001\u8d44\u6e90\u5206\u914d\u4e0e\u4f18\u5316\u7b56\u7565 \u968f\u7740\u4e91\u8ba1\u7b97\u548c\u5bb9\u5668\u5316\u6280\u672f\u7684\u8fc5\u901f\u53d1\u5c55\uff0cDocker\u5df2\u6210\u4e3a\u5f00\u53d1\u548c\u90e8\u7f72\u5e94\u7528\u7a0b\u5e8f\u7684\u91cd\u8981\u5de5\u5177\u3002Docker\u5bb9\u5668\u7684\u7075\u6d3b\u6027\u548c\u53ef\u79fb\u690d\u6027\u4f7f\u5f97\u5b83\u4eec\u5728\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002\u7136\u800c\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u4f18\u5316Docker\u5bb9\u5668\u7684\u8d44\u6e90\u5206\u914d\uff0c\u5c24\u5176\u662f\u5728\u52a8\u6001\u73af\u5883\u4e2d\uff0c\u4ecd\u7136\u662f\u4e00\u4e2a\u6311\u6218\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5728Docker\u4e2d\u8bbe\u7f6e\u5bb9\u5668\u7684\u52a8\u6001\u8d44\u6e90\u5206\u914d\u4e0e\u4f18\u5316\u7b56\u7565\u7684\u65b9\u6cd5\u3002 1. \u7406\u89e3Docker\u8d44\u6e90\u7ba1\u7406 Docker\u5bb9\u5668\u7684\u8d44\u6e90\u7ba1\u7406\u4e3b\u8981\u5305\u62ecCPU\u3001\u5185\u5b58\u3001\u5b58\u50a8\u548c\u7f51\u7edc\u7b49\u65b9\u9762\u3002Docker\u5141\u8bb8\u7528\u6237\u5728\u521b\u5efa\u5bb9\u5668\u65f6\u6307\u5b9a\u8fd9\u4e9b\u8d44\u6e90\u7684\u9650\u5236\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u9650\u5236\u5bb9\u5668\u7684CPU\u548c\u5185\u5b58\u4f7f\u7528\uff1a docker run -d –name my_container –memory=”512m” –cpus=”1.0″ my_image \u5728\u8fd9\u4e2a\u547d\u4ee4\u4e2d\uff0c`–memory`\u9009\u9879\u9650\u5236\u4e86\u5bb9\u5668\u7684\u5185\u5b58\u4f7f\u7528\uff0c\u800c`–cpus`\u9009\u9879\u9650\u5236\u4e86\u5bb9\u5668\u7684CPU\u4f7f\u7528\u3002\u8fd9\u79cd\u9759\u6001\u8d44\u6e90\u5206\u914d\u867d\u7136\u7b80\u5355\uff0c\u4f46\u5728\u52a8\u6001\u8d1f\u8f7d\u60c5\u51b5\u4e0b\u53ef\u80fd\u65e0\u6cd5\u6ee1\u8db3\u9700\u6c42\u3002 2. \u52a8\u6001\u8d44\u6e90\u5206\u914d\u7684\u5fc5\u8981\u6027 \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u8d1f\u8f7d\u53ef\u80fd\u4f1a\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u800c\u53d8\u5316\u3002\u4f8b\u5982\uff0c\u67d0\u4e9b\u5e94\u7528\u5728\u9ad8\u5cf0\u671f\u53ef\u80fd\u9700\u8981\u66f4\u591a\u7684\u8d44\u6e90\uff0c\u800c\u5728\u4f4e\u5cf0\u671f\u5219\u53ef\u4ee5\u51cf\u5c11\u8d44\u6e90\u4f7f\u7528\u3002\u52a8\u6001\u8d44\u6e90\u5206\u914d\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8c03\u6574\u5bb9\u5668\u7684\u8d44\u6e90\uff0c\u4ece\u800c\u63d0\u9ad8\u8d44\u6e90\u5229\u7528\u7387\uff0c\u964d\u4f4e\u6210\u672c\u3002 3. \u4f7f\u7528Docker Swarm\u8fdb\u884c\u52a8\u6001\u8d44\u6e90\u7ba1\u7406 Docker Swarm\u662fDocker\u7684\u539f\u751f\u96c6\u7fa4\u7ba1\u7406\u5de5\u5177\uff0c\u652f\u6301\u5bb9\u5668\u7684\u81ea\u52a8\u8c03\u5ea6\u548c\u8d1f\u8f7d\u5747\u8861\u3002\u901a\u8fc7Docker Swarm\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u5bb9\u5668\u7684\u52a8\u6001\u6269\u5c55\u548c\u7f29\u51cf\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Docker Swarm\u8fdb\u884c\u670d\u52a1\u7684\u6269\u5c55\uff1a docker service scale my_service=5 \u8fd9\u4e2a\u547d\u4ee4\u5c06`my_service`\u7684\u5b9e\u4f8b\u6570\u91cf\u6269\u5c55\u52305\u4e2a\u3002Docker Swarm\u4f1a\u81ea\u52a8\u6839\u636e\u5f53\u524d\u7684\u8d1f\u8f7d\u60c5\u51b5\u5206\u914d\u8d44\u6e90\u3002 4. \u76d1\u63a7\u4e0e\u4f18\u5316 \u4e3a\u4e86\u5b9e\u73b0\u52a8\u6001\u8d44\u6e90\u5206\u914d\uff0c\u76d1\u63a7\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u76d1\u63a7\u5de5\u5177\uff0c\u5982Prometheus\u548cGrafana\uff0c\u6765\u5b9e\u65f6\u76d1\u63a7\u5bb9\u5668\u7684\u6027\u80fd\u6307\u6807\u3002\u901a\u8fc7\u8bbe\u7f6e\u544a\u8b66\u89c4\u5219\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u8d44\u6e90\u4f7f\u7528\u8d85\u8fc7\u9608\u503c\u65f6\u81ea\u52a8\u89e6\u53d1\u6269\u5c55\u6216\u7f29\u51cf\u64cd\u4f5c\u3002 4.1 Prometheus\u4e0eGrafana\u7684\u96c6\u6210 \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684Prometheus\u914d\u7f6e\u793a\u4f8b\uff0c\u7528\u4e8e\u76d1\u63a7Docker\u5bb9\u5668\uff1a scrape_configs: – job_name: ‘docker’ static_configs: – targets: [‘localhost:9090’] \u901a\u8fc7Grafana\uff0c\u6211\u4eec\u53ef\u4ee5\u53ef\u89c6\u5316\u8fd9\u4e9b\u76d1\u63a7\u6570\u636e\uff0c\u5e76\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8c03\u6574\u8d44\u6e90\u5206\u914d\u7b56\u7565\u3002 4.2 \u81ea\u52a8\u5316\u5de5\u5177 \u9664\u4e86\u624b\u52a8\u8c03\u6574\u8d44\u6e90\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528Kubernetes\u7b49\u5bb9\u5668\u7f16\u6392\u5de5\u5177\u6765\u5b9e\u73b0\u66f4\u9ad8\u7ea7\u7684\u52a8\u6001\u8d44\u6e90\u7ba1\u7406\u3002Kubernetes\u652f\u6301Horizontal Pod Autoscaler\uff08HPA\uff09\uff0c\u53ef\u4ee5\u6839\u636eCPU\u6216\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u81ea\u52a8\u8c03\u6574Pod\u7684\u6570\u91cf\u3002 apiVersion: autoscaling\/v2beta2 kind: HorizontalPodAutoscaler metadata: 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