{"id":4963,"date":"2020-04-12T17:53:17","date_gmt":"2020-04-12T09:53:17","guid":{"rendered":"https:\/\/www.xttblog.com\/?p=4963"},"modified":"2020-04-12T17:53:17","modified_gmt":"2020-04-12T09:53:17","slug":"%e9%98%bf%e9%87%8c%e5%b7%b4%e5%b7%b4%e5%bc%80%e6%ba%90%e7%9a%84dragonfly%e4%b8%8a%e4%ba%86hacker-news","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=4963","title":{"rendered":"\u963f\u91cc\u5df4\u5df4\u5f00\u6e90\u7684Dragonfly\u4e0a\u4e86Hacker News"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u56fd\u4eba\u5176\u5b9e\u4e5f\u6709\u4e0d\u5c11\u597d\u9879\u76ee\uff0cDragonfly \u6b63\u662f\u5176\u4e2d\u4e4b\u4e00\uff0c\u5df2\u7ecf\u5f15\u8d77\u5e7f\u5927\u56fd\u5916\u7f51\u53cb\u7684\u6ce8\u610f\u4e86\u3002<\/p>\n\n\n\n<p 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class=\"wp-block-list\"><li>\u57fa\u4e8eP2P\u7684\u6587\u4ef6\u5206\u53d1\uff1a\u901a\u8fc7\u4f7f\u7528P2P\u6280\u672f\u8fdb\u884c\u6587\u4ef6\u4f20\u8f93\uff0c\u53ef\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u5229\u7528\u6bcf\u4e2a\u5bf9\u7b49\u65b9\u7684\u5e26\u5bbd\u8d44\u6e90\uff0c\u4ece\u800c\u63d0\u9ad8\u4e0b\u8f7d\u6548\u7387\uff0c\u5e76\u8282\u7701\u4e86\u5927\u91cf\u7684IDC\u8de8\u5e26\u5bbd\uff0c\u5c24\u5176\u662f\u6602\u8d35\u7684\u8de8\u677f\u5e26\u5bbd\u3002<\/li><li>\u5bf9\u5404\u79cd\u5bb9\u5668\u6280\u672f\u7684\u65e0\u521b\u652f\u6301\uff1a\u873b\u8713\u53ef\u4ee5\u65e0\u7f1d\u5730\u652f\u6301\u5404\u79cd\u5bb9\u5668\u6765\u5206\u53d1\u56fe\u50cf\u3002<\/li><li>\u4e3b\u673a\u7ea7\u522b\u901f\u5ea6\u9650\u5236\uff1a\u9664\u4e86\u50cf\u8bb8\u591a\u5176\u4ed6\u4e0b\u8f7d\u5de5\u5177\uff08\u4f8b\u5982wget\u548ccurl\uff09\u4e00\u6837\uff0c\u5f53\u524d\u4e0b\u8f7d\u4efb\u52a1\u7684\u901f\u5ea6\u9650\u5236\u4e4b\u5916\uff0cDragonfly\u8fd8\u4e3a\u6574\u4e2a\u4e3b\u673a\u63d0\u4f9b\u901f\u5ea6\u9650\u5236\u3002<\/li><li>\u88ab\u52a8CDN\uff1aCDN\u673a\u5236\u53ef\u4ee5\u907f\u514d\u91cd\u590d\u7684\u8fdc\u7a0b\u4e0b\u8f7d\u3002<\/li><li>\u9ad8\u5ea6\u4e00\u81f4\u6027\uff1a\u5373\u4f7f\u7528\u6237\u4e0d\u63d0\u4f9b\u4efb\u4f55\u6821\u9a8c\u7801\uff08MD5\uff09\uff0c\u873b\u8713\u4e5f\u53ef\u4ee5\u786e\u4fdd\u6240\u6709\u4e0b\u8f7d\u7684\u6587\u4ef6\u90fd\u662f\u4e00\u81f4\u7684\u3002<\/li><li>\u78c1\u76d8\u4fdd\u62a4\u548c\u9ad8\u6548IO\uff1a\u9884\u5148\u68c0\u67e5\u78c1\u76d8\u7a7a\u95f4\uff0c\u5ef6\u8fdf\u540c\u6b65\uff0c\u4ee5\u6700\u4f73\u987a\u5e8f\u5199\u5165\u6587\u4ef6\u5757\uff0c\u9694\u79bbnet-read 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disk-write\u7b49\u3002<\/li><li>\u9ad8\u6027\u80fd\uff1aSuperNode\u662f\u5b8c\u5168\u95ed\u73af\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4e0d\u4f9d\u8d56\u4efb\u4f55\u6570\u636e\u5e93\u6216\u5206\u5e03\u5f0f\u7f13\u5b58\uff0c\u4ee5\u6781\u9ad8\u7684\u6027\u80fd\u5904\u7406\u8bf7\u6c42\u3002<\/li><li>\u81ea\u52a8\u9694\u79bb\u5f02\u5e38\uff1aDragonfly\u5c06\u81ea\u52a8\u9694\u79bb\u5f02\u5e38\u8282\u70b9\uff08\u5bf9\u7b49\u6216SuperNode\uff09\u4ee5\u63d0\u9ad8\u4e0b\u8f7d\u7a33\u5b9a\u6027\u3002<\/li><li>\u6587\u4ef6\u6e90\u6ca1\u6709\u538b\u529b\uff1a\u901a\u5e38\uff0c\u53ea\u6709\u5c11\u6570SuperNodes\u4f1a\u4ece\u6e90\u6587\u4ef6\u4e0b\u8f7d\u6587\u4ef6\u3002<\/li><li>\u652f\u6301\u6807\u51c6\u7684HTTP\u6807\u5934\uff1a\u652f\u6301\u901a\u8fc7HTTP\u6807\u5934\u63d0\u4ea4\u8eab\u4efd\u9a8c\u8bc1\u4fe1\u606f\u3002<\/li><li>\u6709\u6548\u7684\u6ce8\u518c\u8868\u6388\u6743\u5e76\u53d1\u63a7\u5236\uff1a\u51cf\u8f7b\u6ce8\u518c\u8868\u6388\u6743\u670d\u52a1\u7684\u538b\u529b\u3002<\/li><li>\u7b80\u5355\u6613\u7528\uff1a\u53ea\u9700\u5f88\u5c11\u7684\u914d\u7f6e\u3002<\/li><li>\u873b\u8713\u662f\u5177\u6709\u5f00\u653e\u6cbb\u7406\u7684CNCF\u9879\u76ee<\/li><li><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dragonfly \u76f8\u6bd4\u8f83 wget \u6765\u8bf4\uff0c\u6027\u80fd\u6709\u975e\u5e38\u5927\u7684\u63d0\u5347\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/gitee.com\/mirrors\/Dragonfly\/raw\/master\/docs\/images\/performance.png\" alt=\"\" \/><figcaption>Dragonfly vs wget<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u56fe\u8868\u4e2d\u53ef\u4ee5\u770b\u5230\uff0c\u5bf9\u4e8e Dragonfly\uff0c\u65e0\u8bba\u6709\u591a\u5c11\u5ba2\u6237\u7aef\u4e0b\u8f7d\uff0c\u5e73\u5747\u4e0b\u8f7d\u65f6\u95f4\u59cb\u7ec8\u7ea6\u4e3a 12 \u79d2\u3002\u4f46\u662f\u5bf9\u4e8e  wget\uff0c\u4e0b\u8f7d\u65f6\u95f4\u4f1a\u968f\u7740\u5ba2\u6237\u7aef\u6570\u91cf\u7684\u589e\u52a0\u800c\u589e\u52a0\u3002\u5f53 wget\u5ba2\u6237\u7aef\u6570\u91cf\u8fbe\u5230 1200 \u65f6\uff0c\u6587\u4ef6\u6e90\u5d29\u6e83\uff0c\u56e0\u6b64\u65e0\u6cd5\u4e3a\u4efb\u4f55\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4e0b\u8f7d\u5e38\u89c4\u6587\u4ef6\u548c\u4e0b\u8f7d\u5bb9\u5668\u6620\u50cf\u65f6\uff0c\u873b\u8713\u7684\u5de5\u4f5c\u65b9\u5f0f\u7565\u6709\u4e0d\u540c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e0b\u8f7d\u5e38\u89c4\u6587\u4ef6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8d85\u7ea7\u8282\u70b9\u626e\u6f14CDN\u7684\u89d2\u8272\uff0c\u5e76\u8c03\u5ea6\u6bcf\u4e2a\u5bf9\u7b49\u70b9\u4e4b\u95f4\u7684\u5757\u4f20\u8f93\u3002dfget\u662fP2P\u5ba2\u6237\u7aef\uff0c\u4e5f\u79f0\u4e3a\u201c\u5bf9\u7b49\u201d\u3002\u5b83\u4e3b\u8981\u7528\u4e8e\u4e0b\u8f7d\u548c\u5171\u4eab\u5757\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/gitee.com\/xmtblog\/img\/raw\/master\/dfget.png\" alt=\"\" \/><figcaption>Dragonfly \u4e0b\u8f7d\u5e38\u89c4\u6587\u4ef6<\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e0b\u8f7d\u5bb9\u5668\u6620\u50cf<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u518c\u8868\u7c7b\u4f3c\u4e8e\u4e0a\u9762\u7684\u6587\u4ef6\u670d\u52a1\u5668\u3002dfget\u4ee3\u7406\u4e5f\u79f0\u4e3adfdaemon\uff0c\u5b83\u62e6\u622a\u6765\u81eadocker pull\u6216docker push\u7684HTTP\u8bf7\u6c42\uff0c\u7136\u540e\u786e\u5b9a\u8981\u4f7f\u7528dfget\u5904\u7406\u7684\u8bf7\u6c42\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/gitee.com\/xmtblog\/img\/raw\/master\/dfget-combine-container.png\" alt=\"\" \/><figcaption>Dragonfly<\/figcaption><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/gitee.com\/xmtblog\/img\/raw\/master\/architecture.png\" alt=\"\" \/><figcaption>Dragonfly<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u8f7d\u5757<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u4e2a\u6587\u4ef6\u90fd\u5206\u4e3a\u591a\u4e2a\u5757\uff0c\u5728\u540c\u7ea7\u4e4b\u95f4\u4f20\u8f93\u3002\u6bcf\u4e2a\u5bf9\u7b49\u65b9\u90fd\u662fP2P\u5ba2\u6237\u7aef\u3002SuperNode\u5c06\u68c0\u67e5\u672c\u5730\u78c1\u76d8\u4e2d\u662f\u5426\u5b58\u5728\u76f8\u5e94\u7684\u6587\u4ef6\u3002\u5426\u5219\uff0c\u6587\u4ef6\u5c06\u4ece\u6587\u4ef6\u670d\u52a1\u5668\u4e0b\u8f7d\u5230SuperNode\u4e2d\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/gitee.com\/xmtblog\/img\/raw\/master\/distributing.png\" alt=\"\" \/><figcaption>Dragonfly SuperNode<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u76ee\u524d\u5728\u4f7f\u7528 Dragonfly \u7684\u57fa\u672c\u4e0a\u90fd\u662f\u4e00\u7ebf\u4e92\u8054\u7f51\u5927\u5382\uff01<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/gitee.com\/xmtblog\/img\/raw\/master\/use_%20dragonfly.png\" alt=\"\" \/><figcaption>Dragonfly \u7684\u4f7f\u7528\u8005<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u5e94 Dragonfly \u6765\u8bf4\uff0c\u5f15\u8d77\u56fd\u5916\u7a0b\u5e8f\u5458\u7684\u91cd\u89c6\u662f\u975e\u5e38\u597d\u7684\u4e8b\u60c5\uff0c\u671f\u5f85\u66f4\u591a\u56fd\u5185\u7684\u5f00\u6e90\u4ea7\u54c1\u8d70\u5411\u4e16\u754c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u5f88\u591a\u6ca1\u542c\u8bf4\u8fc7 k8s \u7684\u4eba\u6765\u8bf4\uff0c\u4e0d\u7528\u8fc7\u591a\u5173\u6ce8 Dragonfly\uff0c\u56e0\u4e3a\u5f88\u591a\u4eba\u53ef\u80fd\u90fd\u63a5\u89e6\u4e0d\u5230\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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[&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[1649,302,481,2001,1716],"class_list":["post-4963","post","type-post","status-publish","format-standard","hentry","category-yyzt","tag-dragonfly","tag-dubbo","tag-fastdfs","tag-k8s","tag-kubernetes"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/4963","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=4963"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/4963\/revisions"}],"predecessor-version":[{"id":4964,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/4963\/revisions\/4964"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4963"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4963"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4963"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}