{"id":1114,"date":"2024-09-12T15:58:27","date_gmt":"2024-09-12T07:58:27","guid":{"rendered":"http:\/\/www.15zhi.net\/blog\/?p=1114"},"modified":"2024-09-12T16:48:47","modified_gmt":"2024-09-12T08:48:47","slug":"202409%e8%ae%ba%e6%96%87%e7%a0%94%e8%af%bb-delay-aware-container-scheduling-in-kubernetes","status":"publish","type":"post","link":"https:\/\/www.15zhi.net\/blog\/202409%e8%ae%ba%e6%96%87%e7%a0%94%e8%af%bb-delay-aware-container-scheduling-in-kubernetes\/","title":{"rendered":"202409\u8bba\u6587\u7814\u8bfb-Delay-Aware Container Scheduling in Kubernetes"},"content":{"rendered":"\n

\u4f5c\u8005\uff1aWei-Kuang Lai\uff0cYou-Chiun Wang\uff0cSyu-Chen Wei<\/p>\n\n\n\n

\u53d1\u8868\u671f\u520a\uff1aIEEE Internet of Things Journal<\/p>\n\n\n\n

\u53d1\u8868\u65e5\u671f\uff1a2023\u5e74<\/p>\n\n\n\n

\u4e00\u3001\u80cc\u666f<\/h2>\n\n\n\n

1\u3001Kubernetes\u7684\u5e94\u7528<\/strong>\uff1aKubernetes\u88ab\u5e7f\u6cdb\u7528\u4e8e\u7ba1\u7406\u5bb9\u5668\u5316\u5e94\u7528\uff0c\u5c24\u5176\u662f\u5728\u4e91\u8ba1\u7b97\u73af\u5883\u4e2d\uff0c\u5b83\u901a\u8fc7\u8c03\u5ea6\u5668\u5c06Pod\u5206\u914d\u5230\u8282\u70b9\u4e0a\u8fd0\u884c\u3002<\/p>\n\n\n\n

2\u3001\u8fb9\u7f18\u8ba1\u7b97\u7684\u6311\u6218<\/strong>\uff1a\u5728\u8fb9\u7f18\u8ba1\u7b97\u73af\u5883\u4e2d\uff0c\u8282\u70b9\u901a\u5e38\u662f\u5f02\u6784\u7684\uff0c\u5177\u6709\u4e0d\u540c\u7684\u8ba1\u7b97\u80fd\u529b\u548c\u7f51\u7edc\u5e26\u5bbd\u3002\u8fd9\u79cd\u5f02\u6784\u6027\u4f7f\u5f97\u4f20\u7edf\u7684Kubernetes\u8c03\u5ea6\u5668\u65e0\u6cd5\u6709\u6548\u5e94\u5bf9\uff0c\u4ece\u800c\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n\n\n\n

3\u3001\u5ef6\u8fdf\u95ee\u9898<\/strong>\uff1a\u73b0\u6709\u7684\u8c03\u5ea6\u7b97\u6cd5\u6ca1\u6709\u5145\u5206\u8003\u8651\u8282\u70b9\u8d44\u6e90\u548c\u7f51\u7edc\u4f20\u8f93\u5e26\u6765\u7684\u5ef6\u8fdf\u95ee\u9898\uff0c\u8fd9\u5728\u8fb9\u7f18\u73af\u5883\u4e2d\u5c24\u4e3a\u660e\u663e\u3002<\/p>\n\n\n\n

\u4e8c\u3001\u521b\u65b0\u70b9<\/h2>\n\n\n\n

1\u3001\u4e0e\u4f20\u7edf\u7684Kubernetes\u8c03\u5ea6\u7b97\u6cd5\u4e0d\u540c\uff0cDACS\u7b97\u6cd5\u4e0d\u4ec5\u8003\u8651\u8282\u70b9\u7684CPU\u548c\u5185\u5b58\u8d44\u6e90\uff0c\u8fd8\u5c06\u7f51\u7edc\u5e26\u5bbd\u7eb3\u5165\u8c03\u5ea6\u51b3\u7b56\u4e2d\uff0c\u4ee5\u4f18\u5316\u5e94\u7528\u7684\u54cd\u5e94\u65f6\u95f4\uff0c\u7279\u522b\u9002\u7528\u4e8e\u7f51\u7edc\u8d44\u6e90\u53d7\u9650\u7684\u8fb9\u7f18\u73af\u5883\u3002<\/p>\n\n\n\n

2\u3001DACS\u7b97\u6cd5\u5f15\u5165\u4e86\u5904\u7406\u5ef6\u8fdf\u548c\u7f51\u7edc\u5ef6\u8fdf\u7684\u52a0\u6743\u8ba1\u7b97\u6a21\u578b\uff0c\u6839\u636e\u8282\u70b9\u7684\u5f02\u6784\u6027\u52a8\u6001\u8c03\u6574\u6743\u91cd\uff0c\u4f18\u5316\u5ef6\u8fdf\u8868\u73b0\u3002DACS\u4e0d\u4ec5\u9009\u62e9\u5e73\u5747\u5ef6\u8fdf\u6700\u4f4e\u7684\u8282\u70b9\uff0c\u8fd8\u8003\u8651\u8282\u70b9\u5269\u4f59\u8d44\u6e90\u7684\u7ec4\u5408\uff0c\u4ee5\u51cf\u5c11\u8d44\u6e90\u7ade\u4e89\u548c\u4e0a\u4e0b\u6587\u5207\u6362\u7684\u5f71\u54cd\uff0c\u63d0\u5347\u6574\u4f53\u8c03\u5ea6\u6548\u7387\u3002<\/p>\n\n\n\n

\u4e09\u3001DACS\u7b97\u6cd5<\/h2>\n\n\n\n

DACS \u7b97\u6cd5\u5305\u542b\u4e24\u4e2a\u6a21\u5757\uff1a\u8c03\u5ea6\u6a21\u5757\u548c\u6392\u540d\u6a21\u5757\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u8c03\u5ea6\u6a21\u5757\uff1a<\/strong><\/p>\n\n\n\n

\u5019\u9009\u8282\u70b9\u7b5b\u9009\uff1a \u904d\u5386\u6bcf\u4e2a\u5f85\u8c03\u5ea6 pod\uff0c\u6839\u636e\u5176\u8d44\u6e90\u9700\u6c42\uff0c\u4ece\u6240\u6709\u8282\u70b9\u4e2d\u7b5b\u9009\u51fa\u8d44\u6e90\u5145\u8db3\u7684\u5019\u9009\u8282\u70b9\u96c6\u5408\u3002<\/p>\n\n\n\n

\u8282\u70b9\u9009\u62e9\uff1a \u5c06\u7b5b\u9009\u51fa\u7684\u5019\u9009\u8282\u70b9\u96c6\u5408\u4f20\u9012\u7ed9\u6392\u540d\u6a21\u5757\uff0c\u7531\u6392\u540d\u6a21\u5757\u9009\u62e9\u6700\u4f18\u8282\u70b9\uff0c\u5e76\u5c06 pod \u5206\u914d\u7ed9\u8be5\u8282\u70b9\u3002<\/p>\n\n\n\n

\u8d44\u6e90\u66f4\u65b0\uff1a \u66f4\u65b0\u88ab\u9009\u4e2d\u8282\u70b9\u7684\u8d44\u6e90\u5411\u91cf\uff0c\u8bb0\u5f55\u8be5\u8282\u70b9\u5df2\u670d\u52a1\u7684 pod \u6570\u91cf\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u6392\u540d\u6a21\u5757\uff1a<\/strong><\/p>\n\n\n\n

\u5ef6\u8fdf\u8ba1\u7b97\uff1a \u5bf9\u6bcf\u4e2a\u5019\u9009\u8282\u70b9\uff0c\u6839\u636e\u516c\u5f0f (8) \u8ba1\u7b97\u5904\u7406\u5ef6\u8fdf\uff0c\u5e76\u6839\u636e pod \u662f\u5426\u4e3a\u672c\u5730 pod\uff0c\u9009\u62e9\u516c\u5f0f (10) \u6216 (11) \u8ba1\u7b97\u7f51\u7edc\u5ef6\u8fdf\u3002<\/p>\n\n\n\n

\u5e73\u5747\u5ef6\u8fdf\u8ba1\u7b97\uff1a \u5c06\u5904\u7406\u5ef6\u8fdf\u548c\u7f51\u7edc\u5ef6\u8fdf\u8fdb\u884c\u52a0\u6743\u5e73\u5747\uff0c\u5f97\u5230\u6bcf\u4e2a\u5019\u9009\u8282\u70b9\u7684\u5e73\u5747\u5ef6\u8fdf\u3002<\/p>\n\n\n\n

\u989d\u5916\u5ef6\u8fdf\u8003\u8651\uff1a \u5982\u679c\u5019\u9009\u8282\u70b9\u5df2\u670d\u52a1\u5176\u4ed6 pod\uff0c\u5219\u8003\u8651\u4e0a\u4e0b\u6587\u5207\u6362\u548c\u8d44\u6e90\u7ade\u4e89\u5e26\u6765\u7684\u989d\u5916\u5ef6\u8fdf\uff0c\u5e76\u6dfb\u52a0\u5230\u5e73\u5747\u5ef6\u8fdf\u4e2d\u3002<\/p>\n\n\n\n

\u6700\u7ec8\u5019\u9009\u8282\u70b9\u9009\u62e9\uff1a \u6839\u636e\u5e73\u5747\u5ef6\u8fdf\u9009\u62e9\u6700\u4f18\u8282\u70b9\u4f5c\u4e3a\u6700\u7ec8\u5019\u9009\u8282\u70b9\uff0c\u5e76\u9009\u62e9\u4e00\u4e2a\u5305\u542b\u8be5\u8282\u70b9\u7684\u6700\u7ec8\u5019\u9009\u8282\u70b9\u96c6\u5408\u3002<\/p>\n\n\n\n

\u6700\u4f18\u8282\u70b9\u9009\u62e9\uff1a \u5982\u679c\u6700\u7ec8\u5019\u9009\u8282\u70b9\u96c6\u5408\u53ea\u6709\u4e00\u4e2a\u8282\u70b9\uff0c\u5219\u76f4\u63a5\u9009\u62e9\u8be5\u8282\u70b9\u3002\u5426\u5219\uff0c\u5728\u6700\u7ec8\u5019\u9009\u8282\u70b9\u96c6\u5408\u4e2d\u9009\u62e9\u5269\u4f59 CPU \u548c\u5185\u5b58\u8d44\u6e90\u7ec4\u5408\u6700\u5927\u7684\u8282\u70b9\u3002<\/p>\n\n\n\n

\u56db\u3001\u5b9e\u9a8c\u53ca\u7ed3\u679c<\/h2>\n\n\n\n

\u8bba\u6587\u8bbe\u8ba1\u4e86\u4e24\u79cd\u573a\u666f\u6765\u8bc4\u4f30 DACS \u7b97\u6cd5\u7684\u6027\u80fd\uff1a<\/p>\n\n\n\n

\u573a\u666f 1\uff1a\u4e91\u73af\u5883\uff0c\u8282\u70b9\u540c\u6784<\/strong><\/p>\n\n\n\n

\u5b9e\u9a8c\u8bbe\u8ba1\uff1a<\/strong> \u6240\u6709\u8282\u70b9\u8d44\u6e90\u76f8\u540c\uff0c\u6bcf\u4e2a\u8282\u70b9\u5206\u914d 2 \u4e2a vCPU \u548c 4 GB \u5185\u5b58\uff0c\u5171 10 \u4e2a pod\u3002<\/p>\n\n\n\n

\u6bd4\u8f83\u65b9\u6cd5\uff1a<\/strong> kube-scheduler\u3001ElasticFog\u3001TSRA\u3001NAS\u3001KCSS\u3001DACS (\u03b1 = 0.25, 0.5, 0.75)<\/p>\n\n\n\n

\u5b9e\u9a8c\u7ed3\u679c\uff1a<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

pod \u5206\u914d\uff1a ElasticFog\u3001TSRA \u548c DACS (\u03b1 = 0.75) \u5e73\u8861\u4e86\u8282\u70b9\u8d1f\u8f7d\uff0c\u6bcf\u4e2a\u8282\u70b9\u5206\u914d 3 \u4e2a pod\uff0cDACS (\u03b1 = 0.25) \u9009\u62e9\u5e73\u5747 RTT \u6700\u5c0f\u7684\u8282\u70b9\u5904\u7406\u989d\u5916 pod\u3002<\/p>\n\n\n\n

\u5904\u7406\u5ef6\u8fdf\uff1a ElasticFog\u3001TSRA \u548c DACS \u5177\u6709\u6700\u4f4e\u7684\u5e73\u5747\u5904\u7406\u5ef6\u8fdf\uff0c\u56e0\u4e3a\u5b83\u4eec\u5e73\u8861\u4e86\u8282\u70b9\u8d1f\u8f7d\u3002<\/p>\n\n\n\n

\u7f51\u7edc\u5ef6\u8fdf\uff1a TSRA \u8003\u8651\u4e86\u6570\u636e\u4f20\u8f93\u65f6\u95f4\uff0c\u5177\u6709\u6700\u4f4e\u7684\u7f51\u7edc\u5ef6\u8fdf\u3002DACS (\u03b1 = 0.75) \u8fdb\u4e00\u6b65\u964d\u4f4e\u4e86\u7f51\u7edc\u5ef6\u8fdf\uff0c\u56e0\u4e3a\u5b83\u8003\u8651\u4e86\u8282\u70b9\u4e4b\u95f4\u7684 RTT\u3002<\/p>\n\n\n\n

\u4efb\u52a1\u5b8c\u6210\u65f6\u95f4\uff1a DACS (\u03b1 = 0.75) \u5177\u6709\u6700\u77ed\u7684\u5b8c\u6210\u65f6\u95f4\uff0c\u56e0\u4e3a\u5b83\u5728\u5904\u7406\u5ef6\u8fdf\u548c\u7f51\u7edc\u5ef6\u8fdf\u4e4b\u95f4\u53d6\u5f97\u4e86\u826f\u597d\u7684\u5e73\u8861\u3002<\/p>\n\n\n\n

\u573a\u666f 2\uff1a\u8fb9\u7f18\u73af\u5883\uff0c\u8282\u70b9\u5f02\u6784<\/strong><\/p>\n\n\n\n

\u5b9e\u9a8c\u8bbe\u8ba1\uff1a<\/strong> \u8282\u70b9\u8d44\u6e90\u4e0d\u540c\uff0cn1 \u6709 2 \u4e2a vCPU \u548c 4 GB \u5185\u5b58\uff0cn2 \u6709 1 \u4e2a vCPU \u548c 4 GB \u5185\u5b58\uff0cn3 \u6709 1 \u4e2a vCPU \u548c 3 GB \u5185\u5b58\uff0c\u5171 6 \u4e2a pod\u3002<\/p>\n\n\n\n

\u6bd4\u8f83\u65b9\u6cd5\uff1a<\/strong> kube-scheduler\u3001ElasticFog\u3001TSRA\u3001NAS\u3001KCSS\u3001DACS (\u03b1 = 0.25, 0.5, 0.75)<\/p>\n\n\n\n

\u5b9e\u9a8c\u7ed3\u679c\uff1a<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

pod \u5206\u914d\uff1a kube-scheduler \u548c ElasticFog \u5c06\u5927\u90e8\u5206 pod \u5206\u914d\u7ed9\u8d44\u6e90\u6700\u591a\u7684\u8282\u70b9 n1\uff0cTSRA \u5c06 4 \u4e2a pod \u5206\u914d\u7ed9 n1\uff0cNAS \u548c KCSS \u5c06 pod \u5206\u914d\u7ed9\u8d44\u6e90\u8f83\u5c11\u7684\u8282\u70b9 n2 \u548c n3\u3002DACS \u5c06 3 \u4e2a pod \u5206\u914d\u7ed9 n1\uff0c\u5e76\u6839\u636e \u03b1 \u503c\u9009\u62e9 n2 \u6216 n3 \u5904\u7406\u989d\u5916 pod\u3002<\/p>\n\n\n\n

\u5904\u7406\u5ef6\u8fdf\uff1a n1 \u7684\u5904\u7406\u5ef6\u8fdf\u6700\u4f4e\uff0c\u56e0\u4e3a\u5b83\u6709\u6700\u591a\u7684 CPU \u8d44\u6e90\u3002DACS \u7684\u5904\u7406\u5ef6\u8fdf\u4e5f\u8f83\u4f4e\uff0c\u56e0\u4e3a\u5b83\u5c06 pod \u5206\u914d\u7ed9\u8d44\u6e90\u5145\u8db3\u7684\u8282\u70b9\u3002<\/p>\n\n\n\n

\u7f51\u7edc\u5ef6\u8fdf\uff1a TSRA \u5177\u6709\u6700\u4f4e\u7684\u7f51\u7edc\u5ef6\u8fdf\uff0c\u56e0\u4e3a\u5b83\u8003\u8651\u4e86\u6570\u636e\u4f20\u8f93\u65f6\u95f4\u3002DACS (\u03b1 = 0.25) \u5177\u6709\u6700\u4f4e\u7684\u7f51\u7edc\u5ef6\u8fdf\uff0c\u56e0\u4e3a\u5b83\u4f18\u5148\u8003\u8651\u7f51\u7edc\u5ef6\u8fdf\u3002<\/p>\n\n\n\n

\u4efb\u52a1\u5b8c\u6210\u65f6\u95f4\uff1a DACS (\u03b1 = 0.25) \u5177\u6709\u6700\u77ed\u7684\u5b8c\u6210\u65f6\u95f4\uff0c\u56e0\u4e3a\u5b83\u5728\u5904\u7406\u5ef6\u8fdf\u548c\u7f51\u7edc\u5ef6\u8fdf\u4e4b\u95f4\u53d6\u5f97\u4e86\u826f\u597d\u7684\u5e73\u8861\uff0c\u5e76\u9009\u62e9\u4e86\u7f51\u7edc\u5ef6\u8fdf\u6700\u4f4e\u7684\u8282\u70b9\u5904\u7406\u989d\u5916 pod\u3002<\/p>\n\n\n\n

\u4e94\u3001\u603b\u7ed3<\/h2>\n\n\n\n

\u5b9e\u9a8c\u7ed3\u679c\u8868\u660e\uff0cDACS \u7b97\u6cd5\u5728\u4e91\u73af\u5883\u548c\u8fb9\u7f18\u73af\u5883\u4e2d\u90fd\u4f18\u4e8e\u5176\u4ed6\u8c03\u5ea6\u65b9\u6cd5\uff0c\u5b83\u8003\u8651\u4e86\u8282\u70b9\u5f02\u6784\u6027\u548c\u7f51\u7edc\u8d44\u6e90\uff0c\u6709\u6548\u5730\u51cf\u5c11\u4e86\u5904\u7406\u5ef6\u8fdf\u548c\u7f51\u7edc\u5ef6\u8fdf\u3002\u4e0d\u4ec5\u5e73\u8861\u4e86\u8282\u70b9\u8d1f\u8f7d\uff0c\u4e5f\u907f\u514d\u4e86\u8d44\u6e90\u6d6a\u8d39\u3002\u6b64\u5916\uff0cDACS \u7b97\u6cd5\u901a\u8fc7\u7cfb\u6570 \u03b1 \u8c03\u6574\u5904\u7406\u5ef6\u8fdf\u548c\u7f51\u7edc\u5ef6\u8fdf\u7684\u6743\u91cd\uff0c\u589e\u52a0\u4e86\u7075\u6d3b\u6027\u3002<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4f5c\u8005\uff1aWei-Kuang Lai\uff0cYou-Chiun Wang\uff0cSyu-Chen Wei \u53d1\u8868\u671f\u520a\uff1aIEEE […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1114","post","type-post","status-publish","format-standard","hentry","category-events"],"_links":{"self":[{"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/posts\/1114","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/comments?post=1114"}],"version-history":[{"count":4,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/posts\/1114\/revisions"}],"predecessor-version":[{"id":1133,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/posts\/1114\/revisions\/1133"}],"wp:attachment":[{"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/media?parent=1114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/categories?post=1114"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.15zhi.net\/blog\/wp-json\/wp\/v2\/tags?post=1114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}