{"id":13526,"date":"2024-11-15T19:08:16","date_gmt":"2024-11-15T11:08:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/13526\/"},"modified":"2024-11-15T19:08:16","modified_gmt":"2024-11-15T11:08:16","slug":"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87%e8%b0%83%e6%95%b4docker%e7%9a%84%e5%ad%98%e5%82%a8%e9%a9%b1%e5%8a%a8%e6%9d%a5%e5%87%8f%e5%b0%91i-o%e7%93%b6%e9%a2%88","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/13526\/","title":{"rendered":"\u5982\u4f55\u901a\u8fc7\u8c03\u6574Docker\u7684\u5b58\u50a8\u9a71\u52a8\u6765\u51cf\u5c11I\/O\u74f6\u9888"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87%e8%b0%83%e6%95%b4docker%e7%9a%84%e5%ad%98%e5%82%a8%e9%a9%b1%e5%8a%a8%e6%9d%a5%e5%87%8f%e5%b0%91i-o%e7%93%b6%e9%a2%88-JKfnVoRnxu\">\u5982\u4f55\u901a\u8fc7\u8c03\u6574Docker\u7684\u5b58\u50a8\u9a71\u52a8\u6765\u51cf\u5c11I\/O\u74f6\u9888<\/h1>\n<p>\u5728\u73b0\u4ee3\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u548c\u90e8\u7f72\u4e2d\uff0cDocker\u5df2\u7ecf\u6210\u4e3a\u4e00\u79cd\u6d41\u884c\u7684\u5bb9\u5668\u5316\u6280\u672f\u3002\u5c3d\u7ba1Docker\u63d0\u4f9b\u4e86\u8bb8\u591a\u4fbf\u5229\uff0c\u4f46\u5728\u9ad8\u8d1f\u8f7d\u60c5\u51b5\u4e0b\uff0cI\/O\u74f6\u9888\u53ef\u80fd\u4f1a\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5982\u4f55\u901a\u8fc7\u8c03\u6574Docker\u7684\u5b58\u50a8\u9a71\u52a8\u6765\u51cf\u5c11I\/O\u74f6\u9888\uff0c\u4ece\u800c\u63d0\u5347\u6574\u4f53\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%90%86%e8%a7%a3docker%e5%ad%98%e5%82%a8%e9%a9%b1%e5%8a%a8-JKfnVoRnxu\">\u7406\u89e3Docker\u5b58\u50a8\u9a71\u52a8<\/h2>\n<p>Docker\u4f7f\u7528\u5b58\u50a8\u9a71\u52a8\u6765\u7ba1\u7406\u5bb9\u5668\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u4e0d\u540c\u7684\u5b58\u50a8\u9a71\u52a8\u5177\u6709\u4e0d\u540c\u7684\u6027\u80fd\u7279\u5f81\u548c\u9002\u7528\u573a\u666f\u3002\u5e38\u89c1\u7684\u5b58\u50a8\u9a71\u52a8\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>overlay2<\/strong>: \u9002\u7528\u4e8e\u5927\u591a\u6570Linux\u53d1\u884c\u7248\uff0c\u6027\u80fd\u8f83\u597d\uff0c\u652f\u6301\u591a\u5c42\u6587\u4ef6\u7cfb\u7edf\u3002<\/li>\n<li><strong>aufs<\/strong>: \u65e9\u671f\u7684\u5b58\u50a8\u9a71\u52a8\uff0c\u652f\u6301\u591a\u5c42\u6587\u4ef6\u7cfb\u7edf\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u6027\u80fd\u8f83\u5dee\u3002<\/li>\n<li><strong>devicemapper<\/strong>: \u9002\u5408\u5927\u89c4\u6a21\u90e8\u7f72\uff0c\u4f46\u914d\u7f6e\u590d\u6742\uff0c\u6027\u80fd\u4f9d\u8d56\u4e8e\u5e95\u5c42\u5b58\u50a8\u3002<\/li>\n<li><strong>btrfs<\/strong>: \u63d0\u4f9b\u5feb\u7167\u548c\u5b50\u5377\u529f\u80fd\uff0c\u9002\u5408\u9700\u8981\u8fd9\u4e9b\u7279\u6027\u7684\u5e94\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%af%86%e5%88%abi-o%e7%93%b6%e9%a2%88-JKfnVoRnxu\">\u8bc6\u522bI\/O\u74f6\u9888<\/h2>\n<p>\u5728\u8c03\u6574\u5b58\u50a8\u9a71\u52a8\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u8bc6\u522bI\/O\u74f6\u9888\u7684\u6765\u6e90\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u8fdb\u884c\u76d1\u6d4b\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528<code>iostat<\/code>\u547d\u4ee4\u76d1\u6d4b\u78c1\u76d8I\/O\u6027\u80fd\u3002<\/li>\n<li>\u4f7f\u7528<code>docker stats<\/code>\u547d\u4ee4\u67e5\u770b\u5bb9\u5668\u7684\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u3002<\/li>\n<li>\u5206\u6790\u5e94\u7528\u7a0b\u5e8f\u7684\u65e5\u5fd7\uff0c\u8bc6\u522b\u9ad8\u5ef6\u8fdf\u7684\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%80%89%e6%8b%a9%e5%90%88%e9%80%82%e7%9a%84%e5%ad%98%e5%82%a8%e9%a9%b1%e5%8a%a8-JKfnVoRnxu\">\u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u9a71\u52a8<\/h2>\n<p>\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u548cI\/O\u7279\u6027\uff0c\u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u9a71\u52a8\u81f3\u5173\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u9891\u7e41\u7684\u8bfb\u5199\u64cd\u4f5c\uff0c<strong>overlay2<\/strong>\u53ef\u80fd\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\uff0c\u56e0\u4e3a\u5b83\u5728\u6027\u80fd\u4e0a\u8868\u73b0\u4f18\u5f02\u3002\u800c\u5bf9\u4e8e\u9700\u8981\u5feb\u7167\u529f\u80fd\u7684\u5e94\u7528\uff0c<strong>btrfs<\/strong>\u5219\u66f4\u4e3a\u5408\u9002\u3002<\/p>\n<h2 id=\"%e8%b0%83%e6%95%b4%e5%ad%98%e5%82%a8%e9%a9%b1%e5%8a%a8%e7%9a%84%e9%85%8d%e7%bd%ae-JKfnVoRnxu\">\u8c03\u6574\u5b58\u50a8\u9a71\u52a8\u7684\u914d\u7f6e<\/h2>\n<p>\u5728\u9009\u62e9\u4e86\u5408\u9002\u7684\u5b58\u50a8\u9a71\u52a8\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u5176\u914d\u7f6e\u6765\u8fdb\u4e00\u6b65\u4f18\u5316\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e<code>devicemapper<\/code>\u5b58\u50a8\u9a71\u52a8\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u5176\u5757\u5927\u5c0f\u6765\u63d0\u9ad8\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u914d\u7f6e\uff1a<\/p>\n<pre><code>\n{\n  \"storage-driver\": \"devicemapper\",\n  \"storage-opts\": [\n    \"dm.basesize=10G\",\n    \"dm.loopdatasize=20G\",\n    \"dm.loopmetasize=1G\"\n  ]\n}\n<\/code><\/pre>\n<p>\u5728Docker\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4e0a\u8ff0\u5185\u5bb9\u540e\uff0c\u91cd\u542fDocker\u670d\u52a1\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%a4%96%e9%83%a8%e5%ad%98%e5%82%a8%e8%a7%a3%e5%86%b3%e6%96%b9%e6%a1%88-JKfnVoRnxu\">\u4f7f\u7528\u5916\u90e8\u5b58\u50a8\u89e3\u51b3\u65b9\u6848<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u5916\u90e8\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u53ef\u4ee5\u6709\u6548\u51cf\u5c11I\/O\u74f6\u9888\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u7f51\u7edc\u9644\u52a0\u5b58\u50a8\uff08NAS\uff09\u6216\u5b58\u50a8\u533a\u57df\u7f51\u7edc\uff08SAN\uff09\u6765\u63d0\u4f9b\u66f4\u9ad8\u7684I\/O\u6027\u80fd\u3002\u8fd9\u4e9b\u89e3\u51b3\u65b9\u6848\u901a\u5e38\u5177\u6709\u66f4\u597d\u7684\u5e76\u53d1\u5904\u7406\u80fd\u529b\uff0c\u9002\u5408\u9ad8\u8d1f\u8f7d\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-JKfnVoRnxu\">\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7\u9009\u62e9\u5408\u9002\u7684Docker\u5b58\u50a8\u9a71\u52a8\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u914d\u7f6e\u8c03\u6574\uff0c\u53ef\u4ee5\u6709\u6548\u51cf\u5c11I\/O\u74f6\u9888\uff0c\u4ece\u800c\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u5bf9\u4e8e\u9700\u8981\u9ad8\u6027\u80fd\u7684\u5e94\u7528\uff0c\u5efa\u8bae\u5b9a\u671f\u76d1\u6d4bI\/O\u6027\u80fd\uff0c\u5e76\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u4f18\u5316\u3002\u7c73\u4e91\u63d0\u4f9b\u591a\u79cd<em><a href=\"https:\/\/fwq.ai\">\u4e91\u670d\u52a1\u5668<\/a><\/em>\u548c<em><a href=\"https:\/\/fwq.ai\">VPS<\/a><\/em>\u89e3\u51b3\u65b9\u6848\uff0c\u5e2e\u52a9\u7528\u6237\u5728\u9ad8\u8d1f\u8f7d\u60c5\u51b5\u4e0b\u4fdd\u6301\u7a33\u5b9a\u7684\u6027\u80fd\u3002\u65e0\u8bba\u662f<em><a href=\"https:\/\/fwq.ai\">\u7f8e\u56fd<\/a><\/em>\u7684\u670d\u52a1\u5668\u8fd8\u662f\u5168\u7403\u5404\u5730\u7684\u670d\u52a1\uff0c\u7c73\u4e91\u90fd\u80fd\u6ee1\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u901a\u8fc7\u8c03\u6574Docker\u7684\u5b58\u50a8\u9a71\u52a8\u6765\u51cf\u5c11I\/O\u74f6\u9888 \u5728\u73b0\u4ee3\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u548c\u90e8\u7f72\u4e2d\uff0cDocker\u5df2\u7ecf\u6210\u4e3a\u4e00\u79cd\u6d41\u884c\u7684\u5bb9\u5668\u5316\u6280\u672f\u3002\u5c3d\u7ba1Docker\u63d0\u4f9b\u4e86\u8bb8\u591a\u4fbf\u5229\uff0c\u4f46\u5728\u9ad8\u8d1f\u8f7d\u60c5\u51b5\u4e0b\uff0cI\/O\u74f6\u9888\u53ef\u80fd\u4f1a\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5982\u4f55\u901a\u8fc7\u8c03\u6574Docker\u7684\u5b58\u50a8\u9a71\u52a8\u6765\u51cf\u5c11I\/O\u74f6\u9888\uff0c\u4ece\u800c\u63d0\u5347\u6574\u4f53\u6027\u80fd\u3002 \u7406\u89e3Docker\u5b58\u50a8\u9a71\u52a8 Docker\u4f7f\u7528\u5b58\u50a8\u9a71\u52a8\u6765\u7ba1\u7406\u5bb9\u5668\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u4e0d\u540c\u7684\u5b58\u50a8\u9a71\u52a8\u5177\u6709\u4e0d\u540c\u7684\u6027\u80fd\u7279\u5f81\u548c\u9002\u7528\u573a\u666f\u3002\u5e38\u89c1\u7684\u5b58\u50a8\u9a71\u52a8\u5305\u62ec\uff1a overlay2: \u9002\u7528\u4e8e\u5927\u591a\u6570Linux\u53d1\u884c\u7248\uff0c\u6027\u80fd\u8f83\u597d\uff0c\u652f\u6301\u591a\u5c42\u6587\u4ef6\u7cfb\u7edf\u3002 aufs: \u65e9\u671f\u7684\u5b58\u50a8\u9a71\u52a8\uff0c\u652f\u6301\u591a\u5c42\u6587\u4ef6\u7cfb\u7edf\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u6027\u80fd\u8f83\u5dee\u3002 devicemapper: \u9002\u5408\u5927\u89c4\u6a21\u90e8\u7f72\uff0c\u4f46\u914d\u7f6e\u590d\u6742\uff0c\u6027\u80fd\u4f9d\u8d56\u4e8e\u5e95\u5c42\u5b58\u50a8\u3002 btrfs: \u63d0\u4f9b\u5feb\u7167\u548c\u5b50\u5377\u529f\u80fd\uff0c\u9002\u5408\u9700\u8981\u8fd9\u4e9b\u7279\u6027\u7684\u5e94\u7528\u3002 \u8bc6\u522bI\/O\u74f6\u9888 \u5728\u8c03\u6574\u5b58\u50a8\u9a71\u52a8\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u8bc6\u522bI\/O\u74f6\u9888\u7684\u6765\u6e90\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u8fdb\u884c\u76d1\u6d4b\uff1a \u4f7f\u7528iostat\u547d\u4ee4\u76d1\u6d4b\u78c1\u76d8I\/O\u6027\u80fd\u3002 \u4f7f\u7528docker stats\u547d\u4ee4\u67e5\u770b\u5bb9\u5668\u7684\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u3002 \u5206\u6790\u5e94\u7528\u7a0b\u5e8f\u7684\u65e5\u5fd7\uff0c\u8bc6\u522b\u9ad8\u5ef6\u8fdf\u7684\u64cd\u4f5c\u3002 \u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u9a71\u52a8 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