{"id":4390,"date":"2019-07-05T15:42:23","date_gmt":"2019-07-05T07:42:23","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=4390"},"modified":"2019-07-05T15:42:23","modified_gmt":"2019-07-05T07:42:23","slug":"%e4%bb%8e%e6%a0%b9%e4%b8%8a%e7%90%86%e8%a7%a3-docker-%e6%98%af%e4%b8%aa%e5%95%a5%ef%bc%8cdocker-%e5%8e%9f%e7%90%86%e8%a7%a3%e5%89%96","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=4390","title":{"rendered":"\u4ece\u6839\u4e0a\u7406\u89e3 Docker \u662f\u4e2a\u5565\uff0cDocker \u539f\u7406\u89e3\u5256"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u65e9\u90fd\u60f3\u5199 Docker \u4e86\uff0c\u53ea\u662f\u4e00\u76f4\u592a\u5fd9\uff01\u76f4\u5230\u6700\u8fd1\u8d8a\u6765\u8d8a\u591a\u7684\u7f51\u53cb\u518d\u54a8\u8be2\u6211\uff0cDocker \u4e3a\u4ec0\u4e48\u6709\u4f18\u52bf\uff1fDocker \u548c\u865a\u62df\u673a\u6709\u4ec0\u4e48\u672c\u8d28\u4e0a\u7684\u533a\u522b\uff1f\u3002\u3002\u3002\u6240\u4ee5\uff0c\u6574\u4f53\u5199\u4e2a\u6587\u7ae0\uff0c\u8bf4\u8bf4 Docker \u5230\u5e95\u662f\u4e2a\u5565\uff01<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/wx1.sinaimg.cn\/large\/8fa5dcfcgy1g4p01m9de0j20fp09padc.jpg\" alt=\"\" \/><figcaption>Docker \u539f\u7406\u89e3\u5256<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u5b9e\uff0c\u4ece Docker \u7684\u56fe\u6807\u4e0a\u5c31\u53ef\u4ee5\u770b\u51fa\u6765\u3002Docker 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class=\"wp-block-paragraph\">Docker \u5e76\u4e0d\u662f\u4e00\u9879\u65b0\u6280\u672f\uff0c\u800c\u662f\u5728\u539f\u6709\u7684 Linux \u4e0a\uff0c\u5de7\u5999\u7684\u501f\u52a9 Cgroup \u548c namespace \u6765\u5b9e\u73b0\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">namespace\uff08\u547d\u540d\u7a7a\u95f4\uff09 \u662f Linux \u63d0\u4f9b\u7684\u4e00\u79cd\u5185\u6838\u7ea7\u522b\u73af\u5883\u9694\u79bb\u7684\u65b9\u6cd5\uff0c\u5f88\u591a\u7f16\u7a0b\u8bed\u8a00\u4e5f\u6709 namespace \u8fd9\u6837\u7684\u529f\u80fd\uff0c\u4f8b\u5982 C++\uff0cJava \u7b49\uff0c\u7f16\u7a0b\u8bed\u8a00\u7684 namespace \u662f\u4e3a\u4e86\u89e3\u51b3\u9879\u76ee\u4e2d\u80fd\u591f\u5728\u4e0d\u540c\u7684\u547d\u540d\u7a7a\u95f4\u91cc\u4f7f\u7528\u76f8\u540c\u7684\u51fd\u6570\u540d\u6216\u8005\u7c7b\u540d\u3002\u800c Linux \u7684 namespace \u4e5f\u662f\u4e3a\u4e86\u5b9e\u73b0\u8d44\u6e90\u80fd\u591f\u5728\u4e0d\u540c\u7684\u547d\u540d\u7a7a\u95f4\u91cc\u6709\u76f8\u540c\u7684\u540d\u79f0\uff0c\u8b6c\u5982\u5728 A \u547d\u540d\u7a7a\u95f4 \u6709\u4e2a pid \u4e3a 1 \u7684\u8fdb\u7a0b\uff0c\u800c\u5728 B \u547d\u540d\u7a7a\u95f4 \u4e2d\u4e5f\u53ef\u4ee5\u6709\u4e00\u4e2a pid \u4e3a 1 \u7684\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Namespace \u6280\u672f\u5b9e\u9645\u4e0a\u4fee\u6539\u4e86\u5e94\u7528\u8fdb\u7a0b\u770b\u5f85\u6574\u4e2a\u8ba1\u7b97\u673a\u201c\u89c6\u56fe\u201d\uff0c\u5373\u5b83\u7684\u201c\u89c6\u7ebf\u201d\u88ab\u64cd\u4f5c\u7cfb\u7edf\u505a\u4e86\u9650\u5236\uff0c\u53ea\u80fd\u201c\u770b\u5230\u201d\u67d0\u4e9b\u6307\u5b9a\u7684\u5185\u5bb9\u3002\u4f46\u5bf9\u4e8e\u5bbf\u4e3b\u673a\u6765\u8bf4\uff0c\u8fd9\u4e9b\u88ab\u201c\u9694\u79bb\u201d\u4e86\u7684\u8fdb\u7a0b\u8ddf\u5176\u4ed6\u8fdb\u7a0b\u5e76\u6ca1\u6709\u592a\u5927\u533a\u522b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\uff0c\u6709\u4e86 Namespace \u4e4b\u540e\uff0c\u4f60\u5728 Docker \u91cc\u6267\u884c ps \u540e\uff0c\u662f\u770b\u4e0d\u5230\u5176\u5b83\u7684\u8fdb\u7a0b\u7684\uff0c\u53ea\u80fd\u770b\u5230\u5bb9\u5668\u5185\u7684\u8fdb\u7a0b\u3002\u5bb9\u5668\u5c31\u662f\u4e00\u4e2a\u6c99\u76d2\uff0c\u73b0\u5728\u901a\u8fc7\u5bb9\u5668\u5c31\u628a\u4f60\u9694\u79bb\u8d77\u6765\u4e86\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9664\u4e86 Namespace\uff0cCgroup \u5bf9 Docker \u6765\u8bf4\uff0c\u4e5f\u663e\u5f97\u975e\u5e38\u7684\u91cd\u8981\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cgroup \u4ee5\u5206\u7ec4\u7684\u5f62\u5f0f\u5bf9\u8fdb\u7a0b\u4f7f\u7528\u7cfb\u7edf\u8d44\u6e90\u7684\u884c\u4e3a\u8fdb\u884c\u7ba1\u7406\u548c\u63a7\u5236\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u7528\u6237\u901a\u8fc7 cgroup \u5bf9\u6240\u6709\u8fdb\u7a0b\u8fdb\u884c\u5206\u7ec4\uff0c\u518d\u5bf9\u8be5\u5206\u7ec4\u6574\u4f53\u8fdb\u884c\u8d44\u6e90\u7684\u5206\u914d\u548c\u63a7\u5236\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7 Cgroup \u6211\u4eec\u5c31\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u786c\u4ef6\u8d44\u6e90\u7684\u5206\u914d\u3002\u6bd4\u5982\uff0cCPU\u3001\u5185\u5b58\uff0c\u78c1\u76d8\uff0c\u7f51\u7edc\u7b49\u8fdb\u884c\u518d\u5206\u914d\u3002\u6bd4\u5982\uff0c\u4e00\u4e2a 8 \u6838\u7684 CPU\uff0c\u6211\u5c31\u53ef\u4ee5\u5206\u914d\u6210 8 \u4e2a\u4e00\u6838\u6216\u8005 4 \u4e2a\u4e24\u6838\uff0c\u4e5f\u6216\u8005\u662f 2 \u4e2a 4 \u6838\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u770b\u5230\u73b0\u5728\u4f60\u662f\u4e0d\u662f\u611f\u89c9 Docker \u5176\u5b9e\u5f88\u7b80\u5355\uff0c\u4e91\u8ba1\u7b97\u4e5f\u5f88\u7b80\u5355\uff1f\u4f46\u662f\uff0c\u522b\u770b\u8fd9\u4e48\u7b80\u5355\u7684\u4e1c\u897f\uff0c\u5f53\u521d\u9a6c\u5316\u817e\u548c\u674e\u5f66\u5b8f\u90fd\u6ca1\u6293\u4f4f\uff0c\u4e00\u4e2a\u8ba4\u4e3a\u65f6\u673a\u672a\u5230\uff0c\u4e00\u4e2a\u8ba4\u4e3a\u8001\u74f6\u88c5\u65b0\u9152\u3002\u53ea\u6709\u4e0d\u61c2\u6280\u672f\u7684\u9a6c\u4e91\uff0c\u53cd\u800c\u6210\u529f\u4e86\uff01<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Namespace \u548c Cgroup \u662f Docker \u7684\u4e24\u5927\u57fa\u77f3\uff0cDocker \u672c\u8eab\u8fd8\u6709\u5f88\u591a\u95ee\u9898\u9700\u8981\u89e3\u51b3\uff0c\u6bd4\u5982\u65f6\u95f4\uff0c\u4f60\u4e0d\u7ba1\u662f\u7528 Namespace \u8fd8\u662f Cgroup\uff0c\u90fd\u4e0d\u80fd\u5bf9\u4ed6\u8fdb\u884c\u9694\u79bb\u5316\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u8fd8\u6709\u5f88\u591a\u201c\u8d8a\u72f1\u201d\u95ee\u9898\uff0c\u90fd\u662f\u5751\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/ws2.sinaimg.cn\/large\/8fa5dcfcgy1g4p06ro6qsj20gi08wjs4.jpg\" alt=\"\" \/><figcaption>Docker \u4e0e\u4f20\u7edf\u865a\u62df\u673a\u7684\u533a\u522b<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u603b\u4e4b\uff0c\u6211\u76f8\u4fe1\u4f60\u660e\u767d Docker \u7684\u539f\u7406\u540e\uff0c\u5bf9 Docker \u7684\u5b66\u4e60\u66f4\u6709\u5e2e\u52a9\uff01\u4ee5\u4e0a\uff0c\u7eaf\u5c5e\u4e1a\u4f59\u8349\u4e00\u5bb6\u4e4b\u8a00\uff0c\u6b22\u8fce\u5927\u5bb6\u8bc4\u8bba\u4ea4\u6d41\uff01<\/p>\n<!-- <audio autoplay=\"autoplay\" height=\"100\" width=\"100\" hidden=\"true\"><source src=\"https:\/\/c.coka.la\/orAvPR.mp3\" type=\"audio\/mp3\"\/><\/audio><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/ws3.sinaimg.cn\/large\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/> --><p><!-- <img decoding=\"async\" src=\"https:\/\/raw.githubusercontent.com\/xmt1139057136\/xttblog\/master\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/>--><img decoding=\"async\" src=\"https:\/\/saas.51autoparts.cn\/api\/admin\/sys-file\/oss\/file?fileName=84db51f8561e448f9a4fda2eff0811f9.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/><\/p><p>\u6700\u540e\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4e1a\u4f59\u8349\uff08yyucao\uff09\uff01<b>\u53ef\u52a0\u4f5c\u8005\u5fae\u4fe1\u53f7\uff1a<font 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-->","protected":false},"excerpt":{"rendered":"<p>\u65e9\u90fd\u60f3\u5199 Docker \u4e86\uff0c\u53ea\u662f\u4e00\u76f4\u592a\u5fd9\uff01\u76f4\u5230\u6700\u8fd1\u8d8a\u6765\u8d8a\u591a\u7684\u7f51\u53cb\u518d\u54a8\u8be2\u6211\uff0cDocker \u4e3a\u4ec0\u4e48\u6709\u4f18\u52bf\uff1fDock [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[1985,512,1136,1137,1984],"class_list":["post-4390","post","type-post","status-publish","format-standard","hentry","category-java","tag-cgroup","tag-docker","tag-docker-compose","tag-docker-swarm","tag-namespace"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/4390","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4390"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/4390\/revisions"}],"predecessor-version":[{"id":4391,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/4390\/revisions\/4391"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}