{"id":441749,"date":"2025-05-30T09:38:42","date_gmt":"2025-05-30T01:38:42","guid":{"rendered":"https:\/\/www.idc.net\/help\/?p=441749"},"modified":"2025-05-30T09:38:42","modified_gmt":"2025-05-30T01:38:42","slug":"%e6%b7%b1%e5%85%a5%e8%a7%a3%e6%9e%90-innodb-%e8%a1%a8%e7%a9%ba%e9%97%b4%e7%bb%93%e6%9e%84%e4%b8%8e%e4%bc%98%e5%8c%96%e7%ad%96%e7%95%a5%ef%bc%9a%e4%b8%ba%e9%ab%98%e6%95%88%e9%83%a8%e7%bd%b2%e9%a6%99","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/441749\/","title":{"rendered":"\u6df1\u5165\u89e3\u6790 InnoDB \u8868\u7a7a\u95f4\u7ed3\u6784\u4e0e\u4f18\u5316\u7b56\u7565\uff1a\u4e3a\u9ad8\u6548\u90e8\u7f72\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u505a\u597d\u51c6\u5907"},"content":{"rendered":"<p>&nbsp;<\/p>\n<h2>\u524d\u8a00<\/h2>\n<p>\u5728MySQL\u6570\u636e\u5e93\u7684\u6838\u5fc3\u7ec4\u4ef6\u4e2d\uff0cInnoDB\u5b58\u50a8\u5f15\u64ce\u4ee5\u5176\u5f3a\u5927\u7684\u4e8b\u52a1\u652f\u6301\u4e0e\u9ad8\u53ef\u7528\u6027\u53d7\u5230\u5e7f\u6cdb\u9752\u7750\u3002\u800c\u5728InnoDB\u7684\u4f53\u7cfb\u67b6\u6784\u4e2d\uff0c\u201c\u8868\u7a7a\u95f4\u201d\uff08Tablespace\uff09\u4f5c\u4e3a\u5176\u903b\u8f91\u5b58\u50a8\u7ed3\u6784\u7684\u9876\u5c42\uff0c\u627f\u62c5\u7740\u627f\u8f7d\u6570\u636e\u5b58\u50a8\u7684\u91cd\u4efb\u3002\u6df1\u5165\u7406\u89e3\u8868\u7a7a\u95f4\u7684\u5206\u7c7b\u4e0e\u529f\u80fd\uff0c\u4e0d\u4ec5\u80fd\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u597d\u5730\u4f18\u5316\u6570\u636e\u5e93\u6027\u80fd\uff0c\u4e5f\u4e3a\u90e8\u7f72\u5982<strong>\u9999\u6e2f\u4e91\u670d\u52a1\u5668<\/strong>\u8fd9\u6837\u7684\u9ad8\u6027\u80fd\u73af\u5883\u6253\u4e0b\u57fa\u7840\u3002<\/p>\n<h2>\u8868\u7a7a\u95f4\u6982\u89c8\uff1aInnoDB 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Tablespaces\uff09<\/li>\n<\/ul>\n<p>\u4e0d\u540c\u7684\u8868\u7a7a\u95f4\u7c7b\u578b\u670d\u52a1\u4e8e\u4e0d\u540c\u7684\u4f7f\u7528\u573a\u666f\uff0c\u6b63\u786e\u914d\u7f6e\u53ef\u663e\u8457\u63d0\u5347\u6570\u636e\u5e93\u5728<strong>\u9999\u6e2fvps<\/strong>\u6216\u79c1\u6709\u4e91\u73af\u5883\u4e2d\u7684\u8fd0\u884c\u6548\u7387\u3002<\/p>\n<h2>\u7cfb\u7edf\u8868\u7a7a\u95f4\uff1aInnoDB \u7684\u9ed8\u8ba4\u6838\u5fc3<\/h2>\n<p>\u7cfb\u7edf\u8868\u7a7a\u95f4\u4ee5 <code>ibdata1<\/code> \u6587\u4ef6\u5b58\u5728\uff0c\u521d\u59cb\u5927\u5c0f\u901a\u5e38\u4e3a10MB\u3002\u5728\u65e9\u671f\u7248\u672c\u4e2d\uff0c\u5b83\u4e0d\u4ec5\u4fdd\u5b58\u4e8b\u52a1\u65e5\u5fd7\u548c\u6570\u636e\u5b57\u5178\uff0c\u4e5f\u5305\u542b\u90e8\u5206\u8868\u4e0e\u7d22\u5f15\u6570\u636e\u3002\u82e5\u8981\u6269\u5c55\u7cfb\u7edf\u8868\u7a7a\u95f4\u5927\u5c0f\uff0c\u63a8\u8350\u8bbe\u7f6e <code>autoextend<\/code> \u5c5e\u6027\uff1a<\/p>\n<pre><code class=\"language-ini\">innodb_data_file_path=ibdata1:10M:autoextend\r\n<\/code><\/pre>\n<p>\u4f46\u957f\u671f\u4f9d\u8d56\u7cfb\u7edf\u8868\u7a7a\u95f4\u4f1a\u5bfc\u81f4\u6587\u4ef6\u65e0\u9650\u81a8\u80c0\uff0c\u56e0\u6b64\u63a8\u8350\u5728\u4f7f\u7528<strong>\u9999\u6e2f\u72ec\u7acb\u670d\u52a1\u5668<\/strong>\u65f6\uff0c\u542f\u7528\u72ec\u7acb\u8868\u7a7a\u95f4\u4ee5\u5b9e\u73b0\u66f4\u53ef\u63a7\u7684\u5b58\u50a8\u7ba1\u7406\u3002<\/p>\n<h2>\u72ec\u7acb\u8868\u7a7a\u95f4\uff1a\u8868\u7ea7\u9694\u79bb\u5b9e\u73b0\u9ad8\u6027\u80fd<\/h2>\n<p>\u901a\u8fc7\u8bbe\u7f6e <code>innodb_file_per_table<\/code> \u53c2\u6570\uff0cMySQL \u4f1a\u4e3a\u6bcf\u5f20\u8868\u521b\u5efa\u72ec\u7acb\u7684 <code>.ibd<\/code> \u6587\u4ef6\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u4fbf\u4e8e\u6570\u636e\u8fc1\u79fb\uff0c\u4e5f\u4fbf\u4e8e\u8fdb\u884c\u8868\u7ea7\u5907\u4efd\u4e0e\u6062\u590d\u64cd\u4f5c\u3002\u72ec\u7acb\u8868\u7a7a\u95f4\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>Segment\uff08\u6bb5\uff09<\/strong>\uff1a\u5bf9\u5e94\u6570\u636e\u5e93\u7d22\u5f15\u7ed3\u6784<\/li>\n<li><strong>Extent\uff08\u533a\uff09<\/strong>\uff1a\u6bcf\u7ec464\u4e2a\u9875\uff0c\u5408\u8ba11MB<\/li>\n<li><strong>Page\uff08\u9875\uff09<\/strong>\uff1a\u6700\u5c0f\u7684\u7269\u7406\u5b58\u50a8\u5355\u4f4d\uff0c\u5927\u5c0f16KB<\/li>\n<\/ul>\n<p>\u8fd9\u79cd\u6309\u5c42\u7ea7\u7ba1\u7406\u7684\u7ed3\u6784\u53ef\u5728\u9ad8\u5e76\u53d1\u73af\u5883\u4e0b\u66f4\u597d\u5730\u652f\u6301\u4e8b\u52a1\u9694\u79bb\uff0c\u662f\u6784\u5efa\u9ad8\u6027\u80fd<strong>\u9999\u6e2f\u4e91\u670d\u52a1\u5668<\/strong>\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n<h2>\u901a\u7528\u8868\u7a7a\u95f4\uff1a\u7075\u6d3b\u5b58\u50a8\u591a\u5f20\u8868<\/h2>\n<p>\u4e0e\u7cfb\u7edf\u8868\u7a7a\u95f4\u7c7b\u4f3c\uff0c\u901a\u7528\u8868\u7a7a\u95f4\u53ef\u4ee5\u540c\u65f6\u5bb9\u7eb3\u591a\u5f20\u8868\uff0c\u4f46\u76f8\u6bd4\u72ec\u7acb\u8868\u7a7a\u95f4\uff0c\u5b83\u5728\u5185\u5b58\u5229\u7528\u4e0a\u66f4\u52a0\u9ad8\u6548\u3002\u5176\u521b\u5efa\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-sql\">CREATE TABLESPACE ts1 ADD DATAFILE 'ts1.ibd' FILE_BLOCK_SIZE = 16384 ENGINE=InnoDB;\r\n<\/code><\/pre>\n<p>\u7136\u800c\uff0c\u901a\u7528\u8868\u7a7a\u95f4\u4e5f\u5b58\u5728\u4e00\u5b9a\u9650\u5236\uff0c\u5982\u4e0d\u652f\u6301\u5206\u533a\u8868\u3001\u4e34\u65f6\u8868\u3001\u65e0\u6cd5\u52a8\u6001\u53d8\u66f4\u4e3a\u901a\u7528\u8868\u7a7a\u95f4\u7b49\uff0c\u90e8\u7f72\u65f6\u5e94\u7ed3\u5408\u5177\u4f53\u4e1a\u52a1\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u8868\u7a7a\u95f4\u7c7b\u578b\u3002<\/p>\n<h2>\u64a4\u9500\u8868\u7a7a\u95f4\uff1a\u4e8b\u52a1\u5b89\u5168\u4fdd\u969c\u7684\u57fa\u77f3<\/h2>\n<p>Undo\u8868\u7a7a\u95f4\u7528\u4e8e\u5b58\u50a8Undo Log\uff0c\u8fd9\u662f\u5b9e\u73b0\u4e8b\u52a1\u56de\u6eda\u548cMVCC\u7684\u5173\u952e\u673a\u5236\u3002\u5728MySQL 8.0\u4e2d\uff0c\u7cfb\u7edf\u9ed8\u8ba4\u521b\u5efa\u591a\u4e2aUndo\u6587\u4ef6\uff08\u5982 <code>undo_001<\/code>, <code>undo_002<\/code>\uff09\uff0c\u5e76\u652f\u6301\u81ea\u52a8\u6269\u5c55\u4e0e\u7a7a\u95f4\u56de\u6536\uff1a<\/p>\n<ul>\n<li>\u6bcf\u4e2aUndo\u8868\u7a7a\u95f4\u542b128\u4e2a\u56de\u6eda\u6bb5<\/li>\n<li>\u6bcf\u4e2a\u56de\u6eda\u6bb5\u7ba1\u74061024\u4e2aUndo\u6bb5<\/li>\n<li>Undo Log\u5206\u4e3aInsert Undo\u4e0eUpdate Undo\u4e24\u79cd\u7c7b\u578b\uff0c\u5206\u522b\u7528\u4e8e\u56de\u6eda\u548c\u4e00\u81f4\u6027\u8bfb\u53d6<\/li>\n<\/ul>\n<p>\u501f\u52a9\u8be5\u673a\u5236\uff0c\u6570\u636e\u5e93\u53ef\u652f\u6301\u6570\u4e07\u5e76\u53d1\u4e8b\u52a1\uff0c\u5728\u90e8\u7f72\u4e8e\u9ad8\u541e\u5410\u7684<strong>\u9999\u6e2fvps<\/strong>\u4e0a\u65f6\u5c24\u4e3a\u5173\u952e\u3002<\/p>\n<h2>\u4e34\u65f6\u8868\u7a7a\u95f4\uff1a\u77ed\u671f\u4efb\u52a1\u7684\u5b58\u50a8\u5229\u5668<\/h2>\n<p>InnoDB\u63d0\u4f9b\u4e86\u4e24\u79cd\u7c7b\u578b\u7684\u4e34\u65f6\u8868\u7a7a\u95f4\uff1a<\/p>\n<ol>\n<li><strong>\u4f1a\u8bdd\u4e34\u65f6\u8868\u7a7a\u95f4<\/strong>\uff1a\u7528\u4e8e\u5b58\u50a8\u6bcf\u4e2a\u4f1a\u8bdd\u4e2d\u7684\u4e34\u65f6\u8868\u6570\u636e\uff0c\u751f\u547d\u5468\u671f\u968f\u4f1a\u8bdd\u7ed3\u675f\u800c\u91ca\u653e\u3002<\/li>\n<li><strong>\u5168\u5c40\u4e34\u65f6\u8868\u7a7a\u95f4<\/strong>\uff1a\u4fdd\u5b58\u7528\u6237\u4e34\u65f6\u8868\u7684\u56de\u6eda\u4fe1\u606f\uff0c\u7cfb\u7edf\u91cd\u542f\u540e\u81ea\u52a8\u6e05\u7406\u3002<\/li>\n<\/ol>\n<p>\u5408\u7406\u914d\u7f6e\u4e34\u65f6\u8868\u7a7a\u95f4\uff0c\u53ef\u6709\u6548\u964d\u4f4eI\/O\u8d1f\u62c5\uff0c\u5728\u4f18\u5316\u6392\u5e8f\u3001\u5206\u7ec4\u7b49\u64cd\u4f5c\u65f6\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n<h2>\u5b9e\u6218\u5efa\u8bae\uff1a\u4e3a\u9999\u6e2f\u670d\u52a1\u5668\u73af\u5883\u914d\u7f6e\u4f18\u5316\u8868\u7a7a\u95f4<\/h2>\n<p>\u5728\u9009\u62e9\u90e8\u7f72<strong>\u9999\u6e2f\u72ec\u7acb\u670d\u52a1\u5668<\/strong>\u6216<strong>\u9999\u6e2f\u4e91\u670d\u52a1\u5668<\/strong>\u65f6\uff0c\u63a8\u8350\u5982\u4e0b\u4f18\u5316\u7b56\u7565\uff1a<\/p>\n<ul>\n<li>\u5f00\u542f <code>innodb_file_per_table<\/code> \u5b9e\u73b0\u8868\u7ea7\u72ec\u7acb\u5b58\u50a8\uff0c\u4fbf\u4e8e\u7ef4\u62a4\u548c\u8fc1\u79fb\uff1b<\/li>\n<li>\u5408\u7406\u914d\u7f6eUndo\u8868\u7a7a\u95f4\u6570\u91cf\uff0c\u63d0\u5347\u4e8b\u52a1\u5904\u7406\u80fd\u529b\uff1b<\/li>\n<li>\u9488\u5bf9\u9891\u7e41\u64cd\u4f5c\u4e34\u65f6\u8868\u7684\u4e1a\u52a1\uff0c\u589e\u52a0\u4e34\u65f6\u8868\u7a7a\u95f4\u9884\u8bbe\u5bb9\u91cf\uff1b<\/li>\n<li>\u5229\u7528\u901a\u7528\u8868\u7a7a\u95f4\u96c6\u4e2d\u5b58\u50a8\u5c0f\u8868\uff0c\u51cf\u5c11\u5185\u5b58\u5f00\u9500\uff1b<\/li>\n<li>\u914d\u5408SSD\u5b58\u50a8\uff0c\u8fdb\u4e00\u6b65\u7f29\u77edI\/O\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u914d\u7f6e\u7b56\u7565\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u5728\u9999\u6e2f\u672c\u5730\u7684\u6570\u636e\u4e2d\u5fc3\u73af\u5883\u4e2d\u6784\u5efa\u9ad8\u53ef\u9760\u3001\u9ad8\u6027\u80fd\u7684\u6570\u636e\u5e93\u670d\u52a1\u4f53\u7cfb\u3002\u501f\u52a9\u5bf9InnoDB\u8868\u7a7a\u95f4\u7ed3\u6784\u7684\u6df1\u5165\u638c\u63e1\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u4e1a\u52a1\u9700\u6c42\u7075\u6d3b\u5730\u8bbe\u8ba1\u6570\u636e\u5e93\u90e8\u7f72\u67b6\u6784\uff0c\u4ece\u800c\u5728<a href=\"https:\/\/idc.net\/\"><strong>\u9999\u6e2f\u4e91\u670d\u52a1\u5668<\/strong><\/a>\u3001<strong>\u9999\u6e2f\u72ec\u7acb\u670d\u52a1\u5668<\/strong>\u7b49\u5e73\u53f0\u4e0a\u5b9e\u73b0\u6570\u636e\u9ad8\u6548\u3001\u5b89\u5168\u7684\u5b58\u50a8\u4e0e\u7ba1\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; \u524d\u8a00 \u5728MySQL\u6570\u636e\u5e93\u7684\u6838\u5fc3\u7ec4\u4ef6\u4e2d\uff0cInnoDB\u5b58\u50a8\u5f15\u64ce\u4ee5\u5176\u5f3a\u5927\u7684\u4e8b\u52a1\u652f\u6301\u4e0e\u9ad8\u53ef\u7528\u6027\u53d7\u5230\u5e7f\u6cdb\u9752 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7038],"tags":[],"class_list":["post-441749","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/441749","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=441749"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/441749\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=441749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=441749"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=441749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}