{"id":13362,"date":"2024-11-15T17:43:31","date_gmt":"2024-11-15T09:43:31","guid":{"rendered":"https:\/\/fwq.ai\/blog\/13362\/"},"modified":"2024-11-15T17:43:31","modified_gmt":"2024-11-15T09:43:31","slug":"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87docker%e4%bc%98%e5%8c%96%e5%ae%b9%e5%99%a8%e7%9a%84%e5%ad%98%e5%82%a8%e6%80%a7%e8%83%bd%e5%b9%b6%e5%87%8f%e5%b0%91io%e7%93%b6%e9%a2%88%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/13362\/","title":{"rendered":"\u5982\u4f55\u901a\u8fc7Docker\u4f18\u5316\u5bb9\u5668\u7684\u5b58\u50a8\u6027\u80fd\u5e76\u51cf\u5c11IO\u74f6\u9888\u95ee\u9898"},"content":{"rendered":"

\u5982\u4f55\u901a\u8fc7Docker\u4f18\u5316\u5bb9\u5668\u7684\u5b58\u50a8\u6027\u80fd\u5e76\u51cf\u5c11IO\u74f6\u9888\u95ee\u9898<\/h1>\n

\u5728\u73b0\u4ee3\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u548c\u90e8\u7f72\u4e2d\uff0cDocker\u5df2\u6210\u4e3a\u4e00\u79cd\u6d41\u884c\u7684\u5bb9\u5668\u5316\u6280\u672f\u3002\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u5c06\u5e94\u7528\u7a0b\u5e8f\u53ca\u5176\u4f9d\u8d56\u9879\u6253\u5305\u5728\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684\u5bb9\u5668\u4e2d\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u9ad8\u7684\u7075\u6d3b\u6027\u548c\u53ef\u79fb\u690d\u6027\u3002\u7136\u800c\uff0c\u968f\u7740\u5bb9\u5668\u5316\u5e94\u7528\u7684\u666e\u53ca\uff0c\u5b58\u50a8\u6027\u80fd\u548cIO\u74f6\u9888\u95ee\u9898\u4e5f\u9010\u6e10\u663e\u73b0\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5982\u4f55\u901a\u8fc7Docker\u4f18\u5316\u5bb9\u5668\u7684\u5b58\u50a8\u6027\u80fd\uff0c\u5e76\u51cf\u5c11IO\u74f6\u9888\u95ee\u9898\u3002<\/p>\n

\u7406\u89e3IO\u74f6\u9888<\/h2>\n

IO\u74f6\u9888\u901a\u5e38\u662f\u6307\u5728\u6570\u636e\u8bfb\u5199\u8fc7\u7a0b\u4e2d\uff0c\u5b58\u50a8\u8bbe\u5907\u7684\u6027\u80fd\u9650\u5236\u5bfc\u81f4\u7684\u5ef6\u8fdf\u6216\u6027\u80fd\u4e0b\u964d\u3002\u5728Docker\u73af\u5883\u4e2d\uff0cIO\u74f6\u9888\u53ef\u80fd\u4f1a\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u65f6\u95f4\u548c\u6574\u4f53\u6027\u80fd\u3002\u4e86\u89e3IO\u74f6\u9888\u7684\u6210\u56e0\u662f\u4f18\u5316\u5b58\u50a8\u6027\u80fd\u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n

\u4f18\u5316Docker\u5b58\u50a8\u7684\u7b56\u7565<\/h2>\n

1. \u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u9a71\u52a8<\/h3>\n

Docker\u652f\u6301\u591a\u79cd\u5b58\u50a8\u9a71\u52a8\uff0c\u5982Overlay2\u3001aufs\u3001btrfs\u7b49\u3002\u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u9a71\u52a8\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u5bb9\u5668\u7684\u5b58\u50a8\u6027\u80fd\u3002\u4f8b\u5982\uff0cOverlay2\u662f\u76ee\u524d\u63a8\u8350\u7684\u5b58\u50a8\u9a71\u52a8\uff0c\u56e0\u4e3a\u5b83\u5728\u6027\u80fd\u548c\u8d44\u6e90\u4f7f\u7528\u65b9\u9762\u8868\u73b0\u826f\u597d\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u4f7f\u7528\u7684\u5b58\u50a8\u9a71\u52a8\uff1a<\/p>\n

docker info | grep \"Storage Driver\"<\/code><\/pre>\n
2. \u4f7f\u7528\u6570\u636e\u5377<\/h3>\n
\u6570\u636e\u5377\u662fDocker\u63d0\u4f9b\u7684\u4e00\u79cd\u6301\u4e45\u5316\u5b58\u50a8\u673a\u5236\u3002\u901a\u8fc7\u4f7f\u7528\u6570\u636e\u5377\uff0c\u53ef\u4ee5\u5c06\u6570\u636e\u5b58\u50a8\u5728\u4e3b\u673a\u6587\u4ef6\u7cfb\u7edf\u4e2d\uff0c\u4ece\u800c\u907f\u514d\u5bb9\u5668\u91cd\u542f\u6216\u5220\u9664\u65f6\u6570\u636e\u4e22\u5931\u3002\u6570\u636e\u5377\u7684\u4f7f\u7528\u4e0d\u4ec5\u53ef\u4ee5\u63d0\u9ad8IO\u6027\u80fd\uff0c\u8fd8\u80fd\u7b80\u5316\u6570\u636e\u7ba1\u7406\u3002\u521b\u5efa\u6570\u636e\u5377\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n
docker volume create my_volume<\/code><\/pre>\n
3. \u4f18\u5316\u6587\u4ef6\u7cfb\u7edf<\/h3>\n
\u9009\u62e9\u5408\u9002\u7684\u6587\u4ef6\u7cfb\u7edf\u4e5f\u80fd\u5f71\u54cd\u5b58\u50a8\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u4f7f\u7528XFS\u6216ext4\u6587\u4ef6\u7cfb\u7edf\u901a\u5e38\u6bd4\u4f7f\u7528FAT32\u6216NTFS\u66f4\u9002\u5408Docker\u5bb9\u5668\u3002\u786e\u4fdd\u6587\u4ef6\u7cfb\u7edf\u7684\u914d\u7f6e\u4f18\u5316\uff0c\u4f8b\u5982\u542f\u7528\u65e5\u5fd7\u529f\u80fd\u548c\u8c03\u6574\u5757\u5927\u5c0f\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u63d0\u5347\u6027\u80fd\u3002<\/p>\n
4. \u8c03\u6574IO\u8c03\u5ea6\u5668<\/h3>\n
Linux\u5185\u6838\u63d0\u4f9b\u4e86\u591a\u79cdIO\u8c03\u5ea6\u5668\uff0c\u5982CFQ\u3001Deadline\u548cnoop\u3002\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u7279\u6027\u9009\u62e9\u5408\u9002\u7684IO\u8c03\u5ea6\u5668\uff0c\u53ef\u4ee5\u6709\u6548\u51cf\u5c11IO\u74f6\u9888\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u968f\u673a\u8bfb\u5199\u64cd\u4f5c\uff0c\u4f7f\u7528noop\u8c03\u5ea6\u5668\u53ef\u80fd\u4f1a\u66f4\u6709\u6548\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u7684IO\u8c03\u5ea6\u5668\uff1a<\/p>\n
cat \/sys\/block\/sda\/queue\/scheduler<\/code><\/pre>\n
5. \u76d1\u63a7\u548c\u5206\u6790IO\u6027\u80fd<\/h3>\n
\u4f7f\u7528\u5de5\u5177\u5982iostat\u3001iotop\u548cdstat\u53ef\u4ee5\u5b9e\u65f6\u76d1\u63a7IO\u6027\u80fd\uff0c\u5e2e\u52a9\u8bc6\u522b\u74f6\u9888\u6240\u5728\u3002\u901a\u8fc7\u5206\u6790IO\u6027\u80fd\u6570\u636e\uff0c\u53ef\u4ee5\u9488\u5bf9\u6027\u5730\u8fdb\u884c\u4f18\u5316\u3002\u4f8b\u5982\uff0c\u4f7f\u7528iostat\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u5404\u4e2a\u8bbe\u5907\u7684IO\u6027\u80fd\uff1a<\/p>\n
iostat -x 1<\/code><\/pre>\n
\u603b\u7ed3<\/h2>\n
\u901a\u8fc7\u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u9a71\u52a8\u3001\u4f7f\u7528\u6570\u636e\u5377\u3001\u4f18\u5316\u6587\u4ef6\u7cfb\u7edf\u3001\u8c03\u6574IO\u8c03\u5ea6\u5668\u4ee5\u53ca\u76d1\u63a7IO\u6027\u80fd\uff0c\u53ef\u4ee5\u6709\u6548\u4f18\u5316Docker\u5bb9\u5668\u7684\u5b58\u50a8\u6027\u80fd\u5e76\u51cf\u5c11IO\u74f6\u9888\u95ee\u9898\u3002\u968f\u7740\u5bb9\u5668\u5316\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u6301\u7eed\u5173\u6ce8\u5b58\u50a8\u6027\u80fd\u5c06\u662f\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u9ad8\u6548\u8fd0\u884c\u7684\u5173\u952e\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u9ad8\u6027\u80fd\u7684\u4e91\u670d\u52a1\u5668<\/a>\u89e3\u51b3\u65b9\u6848\uff0c\u7c73\u4e91\u63d0\u4f9b\u591a\u79cd\u9009\u62e9\uff0c\u5305\u62ec\u7f8e\u56fdVPS\u548c\u533f\u540d\u670d\u52a1\u5668\uff0c\u5e2e\u52a9\u60a8\u4fdd\u62a4\u9690\u79c1\u6743\u5e76\u63d0\u5347\u5e94\u7528\u6027\u80fd\u3002\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684\u7f51\u7ad9<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u901a\u8fc7Docker\u4f18\u5316\u5bb9\u5668\u7684\u5b58\u50a8\u6027\u80fd\u5e76\u51cf\u5c11IO\u74f6\u9888\u95ee\u9898 \u5728\u73b0\u4ee3\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u548c\u90e8\u7f72\u4e2d\uff0cDocker\u5df2\u6210\u4e3a\u4e00\u79cd\u6d41\u884c\u7684\u5bb9\u5668\u5316\u6280\u672f\u3002\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u5c06\u5e94\u7528\u7a0b\u5e8f\u53ca\u5176\u4f9d\u8d56\u9879\u6253\u5305\u5728\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684\u5bb9\u5668\u4e2d\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u9ad8\u7684\u7075\u6d3b\u6027\u548c\u53ef\u79fb\u690d\u6027\u3002\u7136\u800c\uff0c\u968f\u7740\u5bb9\u5668\u5316\u5e94\u7528\u7684\u666e\u53ca\uff0c\u5b58\u50a8\u6027\u80fd\u548cIO\u74f6\u9888\u95ee\u9898\u4e5f\u9010\u6e10\u663e\u73b0\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5982\u4f55\u901a\u8fc7Docker\u4f18\u5316\u5bb9\u5668\u7684\u5b58\u50a8\u6027\u80fd\uff0c\u5e76\u51cf\u5c11IO\u74f6\u9888\u95ee\u9898\u3002 \u7406\u89e3IO\u74f6\u9888 IO\u74f6\u9888\u901a\u5e38\u662f\u6307\u5728\u6570\u636e\u8bfb\u5199\u8fc7\u7a0b\u4e2d\uff0c\u5b58\u50a8\u8bbe\u5907\u7684\u6027\u80fd\u9650\u5236\u5bfc\u81f4\u7684\u5ef6\u8fdf\u6216\u6027\u80fd\u4e0b\u964d\u3002\u5728Docker\u73af\u5883\u4e2d\uff0cIO\u74f6\u9888\u53ef\u80fd\u4f1a\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u65f6\u95f4\u548c\u6574\u4f53\u6027\u80fd\u3002\u4e86\u89e3IO\u74f6\u9888\u7684\u6210\u56e0\u662f\u4f18\u5316\u5b58\u50a8\u6027\u80fd\u7684\u7b2c\u4e00\u6b65\u3002 \u4f18\u5316Docker\u5b58\u50a8\u7684\u7b56\u7565 1. \u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u9a71\u52a8 Docker\u652f\u6301\u591a\u79cd\u5b58\u50a8\u9a71\u52a8\uff0c\u5982Overlay2\u3001aufs\u3001btrfs\u7b49\u3002\u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u9a71\u52a8\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u5bb9\u5668\u7684\u5b58\u50a8\u6027\u80fd\u3002\u4f8b\u5982\uff0cOverlay2\u662f\u76ee\u524d\u63a8\u8350\u7684\u5b58\u50a8\u9a71\u52a8\uff0c\u56e0\u4e3a\u5b83\u5728\u6027\u80fd\u548c\u8d44\u6e90\u4f7f\u7528\u65b9\u9762\u8868\u73b0\u826f\u597d\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u4f7f\u7528\u7684\u5b58\u50a8\u9a71\u52a8\uff1a docker info | grep “Storage Driver” 2. \u4f7f\u7528\u6570\u636e\u5377 \u6570\u636e\u5377\u662fDocker\u63d0\u4f9b\u7684\u4e00\u79cd\u6301\u4e45\u5316\u5b58\u50a8\u673a\u5236\u3002\u901a\u8fc7\u4f7f\u7528\u6570\u636e\u5377\uff0c\u53ef\u4ee5\u5c06\u6570\u636e\u5b58\u50a8\u5728\u4e3b\u673a\u6587\u4ef6\u7cfb\u7edf\u4e2d\uff0c\u4ece\u800c\u907f\u514d\u5bb9\u5668\u91cd\u542f\u6216\u5220\u9664\u65f6\u6570\u636e\u4e22\u5931\u3002\u6570\u636e\u5377\u7684\u4f7f\u7528\u4e0d\u4ec5\u53ef\u4ee5\u63d0\u9ad8IO\u6027\u80fd\uff0c\u8fd8\u80fd\u7b80\u5316\u6570\u636e\u7ba1\u7406\u3002\u521b\u5efa\u6570\u636e\u5377\u7684\u547d\u4ee4\u5982\u4e0b\uff1a docker volume create my_volume 3. \u4f18\u5316\u6587\u4ef6\u7cfb\u7edf \u9009\u62e9\u5408\u9002\u7684\u6587\u4ef6\u7cfb\u7edf\u4e5f\u80fd\u5f71\u54cd\u5b58\u50a8\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u4f7f\u7528XFS\u6216ext4\u6587\u4ef6\u7cfb\u7edf\u901a\u5e38\u6bd4\u4f7f\u7528FAT32\u6216NTFS\u66f4\u9002\u5408Docker\u5bb9\u5668\u3002\u786e\u4fdd\u6587\u4ef6\u7cfb\u7edf\u7684\u914d\u7f6e\u4f18\u5316\uff0c\u4f8b\u5982\u542f\u7528\u65e5\u5fd7\u529f\u80fd\u548c\u8c03\u6574\u5757\u5927\u5c0f\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u63d0\u5347\u6027\u80fd\u3002 4. \u8c03\u6574IO\u8c03\u5ea6\u5668 Linux\u5185\u6838\u63d0\u4f9b\u4e86\u591a\u79cdIO\u8c03\u5ea6\u5668\uff0c\u5982CFQ\u3001Deadline\u548cnoop\u3002\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u7279\u6027\u9009\u62e9\u5408\u9002\u7684IO\u8c03\u5ea6\u5668\uff0c\u53ef\u4ee5\u6709\u6548\u51cf\u5c11IO\u74f6\u9888\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u968f\u673a\u8bfb\u5199\u64cd\u4f5c\uff0c\u4f7f\u7528noop\u8c03\u5ea6\u5668\u53ef\u80fd\u4f1a\u66f4\u6709\u6548\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u7684IO\u8c03\u5ea6\u5668\uff1a cat \/sys\/block\/sda\/queue\/scheduler 5. \u76d1\u63a7\u548c\u5206\u6790IO\u6027\u80fd \u4f7f\u7528\u5de5\u5177\u5982iostat\u3001iotop\u548cdstat\u53ef\u4ee5\u5b9e\u65f6\u76d1\u63a7IO\u6027\u80fd\uff0c\u5e2e\u52a9\u8bc6\u522b\u74f6\u9888\u6240\u5728\u3002\u901a\u8fc7\u5206\u6790IO\u6027\u80fd\u6570\u636e\uff0c\u53ef\u4ee5\u9488\u5bf9\u6027\u5730\u8fdb\u884c\u4f18\u5316\u3002\u4f8b\u5982\uff0c\u4f7f\u7528iostat\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u5404\u4e2a\u8bbe\u5907\u7684IO\u6027\u80fd\uff1a iostat -x 1 \u603b\u7ed3 \u901a\u8fc7\u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u9a71\u52a8\u3001\u4f7f\u7528\u6570\u636e\u5377\u3001\u4f18\u5316\u6587\u4ef6\u7cfb\u7edf\u3001\u8c03\u6574IO\u8c03\u5ea6\u5668\u4ee5\u53ca\u76d1\u63a7IO\u6027\u80fd\uff0c\u53ef\u4ee5\u6709\u6548\u4f18\u5316Docker\u5bb9\u5668\u7684\u5b58\u50a8\u6027\u80fd\u5e76\u51cf\u5c11IO\u74f6\u9888\u95ee\u9898\u3002\u968f\u7740\u5bb9\u5668\u5316\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u6301\u7eed\u5173\u6ce8\u5b58\u50a8\u6027\u80fd\u5c06\u662f\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u9ad8\u6548\u8fd0\u884c\u7684\u5173\u952e\u3002 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