{"id":5407,"date":"2020-07-30T00:27:01","date_gmt":"2020-07-29T16:27:01","guid":{"rendered":"http:\/\/39.97.231.10\/?p=5407"},"modified":"2020-07-30T00:27:01","modified_gmt":"2020-07-29T16:27:01","slug":"mysql-innodb%e7%ae%80%e4%bb%8b%e3%80%81%e7%89%b9%e6%80%a7%e5%92%8c%e4%bc%98%e5%8a%bf","status":"publish","type":"post","link":"http:\/\/www.weijing.co\/?p=5407","title":{"rendered":"MySQL InnoDB\u7b80\u4ecb\u3001\u7279\u6027\u548c\u4f18\u52bf"},"content":{"rendered":"<div class=\\\"blog_content\\\">\n<div class=\\\"blog_detail\\\">\n<div>\nInnoDB\u662fMySQL\u9ed8\u8ba4\u7684\u5b58\u50a8\u5f15\u64ce\uff0c\u652f\u6301\u4e8b\u52a1\uff0c\u5177\u6709\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u9760\u6027\u3002<\/p>\n<h4>\u4e00\u3001InnoDB\u6838\u5fc3\u4f18\u52bf<\/h4>\n<ul>\n<li>\u652f\u6301\u4e8b\u52a1\uff0cDML\u64cd\u4f5c\u9075\u5faaACID\u6a21\u578b\uff0c\u5177\u5907\u5d29\u6e83\u6062\u590d\u80fd\u529b\uff0c\u4fdd\u8bc1\u7528\u6237\u6570\u636e\u5b89\u5168\u3001\u5b8c\u6574\u3002<\/li>\n<li>\u652f\u6301\u884c\u7ea7\u9501\u548c\u4e00\u81f4\u6027\u8bfb\uff0c\u63d0\u9ad8\u4e86\u591a\u7528\u6237\u5e76\u53d1\u6027\u80fd\u3002<\/li>\n<li>\u8868\u6570\u636e\u5728\u78c1\u76d8\u4e0a\u4ee5\u4e3b\u952e\u805a\u7c07\u7d22\u5f15\u65b9\u5f0f\u5b58\u50a8\uff0c\u8fd9\u79cd\u6570\u636e\u7ec4\u7ec7\u65b9\u5f0f\uff0c\u5728\u4ee5\u4e3b\u952e\u4e3a\u6761\u4ef6\u8fdb\u884c\u67e5\u8be2\u65f6\uff0c\u80fd\u591f\u6700\u5927\u5316\u5730\u964d\u4f4eIO\u6d88\u8017\uff0c\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002<\/li>\n<li>\u652f\u6301\u5916\u952e\u7ea6\u675f\uff0c\u4fdd\u8bc1\u6570\u636e\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n<h5>\u4e8c\u3001InnoDB\u7279\u6027<\/h5>\n<ul>\n<li>\u652f\u6301\u4e8b\u52a1<\/li>\n<li>B-tree\u7d22\u5f15<\/li>\n<li>\u805a\u7c07\u7d22\u5f15<\/li>\n<li>\u57fa\u4e8e\u65f6\u95f4\u70b9\u7684\u5907\u4efd\u3001\u6062\u590d<\/li>\n<li>\u6570\u636e\u538b\u7f29<\/li>\n<li>\u6570\u636e\u7f13\u5b58<\/li>\n<li>\u6570\u636e\u52a0\u5bc6<\/li>\n<li>\u5916\u952e\u652f\u6301<\/li>\n<li>\u5168\u6587\u7d22\u5f15<\/li>\n<li>\u5730\u7406\u7a7a\u95f4\u7c7b\u578b<\/li>\n<li>\u5730\u7406\u7a7a\u95f4\u7d22\u5f15<\/li>\n<li>\u7d22\u5f15\u7f13\u5b58<\/li>\n<li>\u884c\u7ea7\u9501<\/li>\n<li>mvcc<\/li>\n<li>\u4e3b\u5907\u590d\u5236<\/li>\n<\/ul>\n<h4>\u4e09\u3001\u4f7f\u7528InnoDB\u8868\u7684\u597d\u5904<\/h4>\n<ol>\n<li>\u4e0d\u8bba\u4ec0\u4e48\u65f6\u5019\u3001\u4ec0\u4e48\u539f\u56e0\u5bfc\u81f4\u7684MySQL\u8fdb\u7a0b\u5f02\u5e38\u9000\u51fa\uff0c\u5728\u91cd\u542f\u4e4b\u540e\uff0cInnoDB\u5f15\u64ce\u90fd\u80fd\u591f\u505a\u5d29\u6e83\u6062\u590d\uff0c\u91cd\u65b0\u63d0\u4ea4\u4e8b\u52a1\u6216\u8005\u56de\u6eda\u672a\u63d0\u4ea4\u7684\u4e8b\u52a1\uff0c\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\u3002<\/li>\n<li>InnoDB\u5b58\u50a8\u5f15\u64ce\u5185\u90e8\u4f7f\u7528buffer pool\u6765\u7f13\u5b58\u8868\u548c\u7d22\u5f15\u6570\u636e\uff0c\u5927\u90e8\u5206\u6570\u636e\u5904\u7406\u76f4\u63a5\u5728\u5185\u5b58\u4e2d\u5b8c\u6210\uff0c\u4e0d\u9700\u8981\u989d\u5916\u7684\u78c1\u76d8IO\u64cd\u4f5c\uff0c\u901a\u5e38\u4e00\u53f0\u670d\u52a1\u566880%\u7684\u7269\u7406\u5185\u5b58\u5206\u914d\u7ed9buffer pool\u4f7f\u7528\uff0c\u4ee5\u63d0\u9ad8InnoDB\u67e5\u8be2\u6027\u80fd\u3002<\/li>\n<li>InnoDB\u652f\u6301\u5916\u952e\uff0c\u4f7f\u7528\u5916\u952e\u7ea6\u675f\u6765\u4fdd\u8bc1\u6570\u636e\u5b8c\u6574\u6027\uff0c\u5206\u5e03\u5728\u4e24\u4e2a\u8868\u4e2d\u7684\u6570\u636e\uff0c\u901a\u8fc7\u5916\u952e\uff0c\u5176\u5173\u7cfb\u5c06\u81ea\u52a8\u5f97\u5230\u7ef4\u62a4\u3002<\/li>\n<li>\u5982\u679c\u78c1\u76d8\u6216\u8005\u5185\u5b58\u4e2d\u7684\u6570\u636e\u635f\u574f\uff0cInnoDB\u63d0\u4f9bchecksum\u673a\u5236\u6765\u63d0\u793a\u7528\u6237\u3002<\/li>\n<li>InnoDB\u6570\u636e\u7ec4\u7ec7\u65b9\u5f0f\u4f7f\u5f97\u57fa\u4e8e\u4e3b\u952e\u7684\u67e5\u8be2\u3001\u6392\u5e8f\uff0cjoin\uff0cgroup by\u7b49\u64cd\u4f5c\u6027\u80fd\u975e\u5e38\u9ad8\u6548\u3002<\/li>\n<li>\u63d2\u5165\uff0c\u66f4\u65b0\uff0c\u5220\u9664\u64cd\u4f5c\u901a\u8fc7change buffer\u673a\u5236\u4f18\u5316\uff0c\u4e0d\u4ec5\u5141\u8bb8\u5bf9\u540c\u4e00\u5f20\u8868\u5e76\u53d1\u8bfb\u5199\uff0c\u5e76\u4e14\u80fd\u591f\u7f13\u5b58\u5df2\u4fee\u6539\u7684\u6570\u636e\uff0c\u8ba9\u968f\u673aIO\u53d8\u4e3a\u987a\u5e8fIO\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li>InnoDB\u8868\u7684\u6027\u80fd\u4e0d\u4f1a\u56e0\u4e3a\u8868\u592a\u5927\u6216\u8005\u5927\u4e8b\u52a1\u800c\u53d7\u5230\u5f71\u54cd\u3002\u5f53\u4e00\u4e2a\u8868\u4e2d\u67d0\u4e9b\u6570\u636e\u88ab\u9891\u7e41\u5730\u8bbf\u95ee\u65f6\uff0cInnoDB\u63d0\u4f9b\u81ea\u9002\u5e94\u54c8\u5e0c\u7d22\u5f15\u6765\u52a0\u5feb\u8fd9\u4e9b\u9891\u7e41\u8bbf\u95ee\u6570\u636e\u7684\u67e5\u627e\uff0c\u5c31\u597d\u50cf\u8fd9\u4e9b\u6570\u636e\u662f\u4ece\u54c8\u5e0c\u8868\u4e2d\u8bfb\u51fa\u6765\u7684\u4e00\u6837\u3002<\/li>\n<li>\u80fd\u591f\u5bf9\u8868\u53ca\u5176\u7d22\u5f15\u8fdb\u884c\u538b\u7f29\uff0c\u4ee5\u51cf\u5c11\u78c1\u76d8\u7a7a\u95f4\u5360\u7528\u3002<\/li>\n<li>\u5728\u7ebf\u589e\u52a0\u3001\u5220\u9664\u7d22\u5f15\uff0c\u4e0d\u4f1a\u5f71\u54cd\u6570\u636e\u5e93\u7684\u6027\u80fd\u548c\u53ef\u7528\u6027\u3002<\/li>\n<li>\u4e3a\u8868\u914d\u7f6e\u5355\u72ec\u8868\u7a7a\u95f4\uff0c\u6e05\u7a7a\u8868\u7684\u64cd\u4f5c\u4f1a\u975e\u5e38\u5feb\uff0c\u80fd\u591f\u7acb\u5373\u91ca\u653e\u78c1\u76d8\u7a7a\u95f4\u3002<\/li>\n<li>\u4f7f\u7528dynamic\u884c\u683c\u5f0f\u80fd\u591f\u66f4\u6709\u6548\u7684\u5b58\u50a8blog\u548clong text\u7c7b\u578b\u7684\u6570\u636e\u3002<\/li>\n<li>\u901a\u8fc7information_schema\u91cc\u9762\u7684\u8868\uff0c\u80fd\u591f\u76d1\u63a7\u5b58\u50a8\u5f15\u64ce\u5185\u90e8\u5de5\u4f5c\u4fe1\u606f\u3002<\/li>\n<li>\u901a\u8fc7performance_schema\u91cc\u9762\u7684\u8868\uff0c\u80fd\u591f\u76d1\u63a7\u5b58\u50a8\u5f15\u64ce\u6027\u80fd\u65b9\u9762\u7684\u7ec6\u8282\u3002<\/li>\n<li>\u80fd\u591f\u81ea\u7531\u5730\u6df7\u5408\u4f7f\u7528InnoDB\u5f15\u64ce\u548c\u5176\u4ed6\u5b58\u50a8\u5f15\u64ce\uff0c\u751a\u81f3\u5728\u4e00\u4e2aSQL\u8bed\u53e5\u91cc\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u4e2a\u5b58\u50a8\u5f15\u64ce\u7684\u8868\u3002<\/li>\n<\/ol>\n<h4>\u56db\u3001InnoDB\u8868\u7684\u6700\u4f73\u5b9e\u8df5<\/h4>\n<ol>\n<li>\u4e3aInnoDB\u8868\u6307\u5b9a\u4e00\u4e2a\u4e3b\u952e\uff0c\u4e3b\u952e\u5efa\u8bae\u662f\u5728where\u6761\u4ef6\u4e2d\u6700\u9891\u7e41\u67e5\u8be2\u7684\u5b57\u6bb5\uff0c\u6216\u8005\u6307\u5b9a\u4e00\u4e2a\u81ea\u589e\u7684\u5217\u4f5c\u4e3a\u4e3b\u952e\u3002<\/li>\n<li>\u5c06DML\u76f8\u5173\u8054\u7684\u4e00\u7ec4\u64cd\u4f5c\u653e\u5230\u4e8b\u52a1\u91cc\uff0c\u80fd\u591f\u907f\u514d\u4e8b\u52a1\u63d0\u4ea4\u592a\u9891\u7e41\uff0c\u53e6\u5916\u4e5f\u8981\u6ce8\u610f\uff0c\u4e0d\u80fd\u5728\u4e00\u4e2a\u4e8b\u52a1\u91cc\u505a\u592a\u591a\u7684DML\u64cd\u4f5c\uff0c\u4ee5\u514d\u4ea7\u751f\u5927\u4e8b\u52a1\u3002<\/li>\n<li>\u4e0d\u8981\u4f7f\u7528lock tables\u8bed\u53e5\uff0cInnoDB\u5141\u8bb8\u591a\u4e2a\u4e8b\u52a1\u5e76\u53d1\u8bfb\u5199\u540c\u4e00\u5f20\u8868\uff0c\u5e76\u4e14\u4e0d\u4f1a\u635f\u5931\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u5982\u679c\u60f3\u6392\u5b83\u5730\u8bbf\u95ee\u67d0\u4e9b\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528select for update\u8bed\u6cd5\uff0c\u5bf9\u60f3\u8981\u66f4\u65b0\u7684\u884c\u52a0\u9501\u3002<\/li>\n<li>\u6253\u5f00innodb_file_per_table\u9009\u9879\uff0c\u6bcf\u4e2a\u4e1a\u52a1\u8868\u6709\u81ea\u5df1\u5355\u72ec\u7684\u8868\u7a7a\u95f4\u3002<\/li>\n<li>\u5c1d\u8bd5\u4f7f\u7528InnoDB\u8868\u538b\u7f29\uff0c\u8282\u7701\u78c1\u76d8\u7a7a\u95f4\uff0c\u4e14\u4e0d\u4f1a\u5f71\u54cd\u8bfb\u5199\u6027\u80fd\u3002<\/li>\n<li>\u4f7f\u7528join\u505a\u591a\u8868\u5173\u8054\u67e5\u8be2\u65f6\uff0c\u57fa\u4e8e\u540c\u4e00\u4e2aID\u503c\u6765\u83b7\u53d6\u6570\u636e\u3002\u5728\u5173\u8054\u5b57\u6bb5\u4e0a\u6dfb\u52a0\u5916\u952e\uff0c\u786e\u4fdd\u67e5\u8be2\u65f6\u6709\u7d22\u5f15\u53ef\u4ee5\u4f7f\u7528\u3002<\/li>\n<\/ol>\n<hr \/>\n<p><strong>\u6ce8\uff1a<\/strong><br \/>\n\u672c\u6587\u8bd1\u81eaMySQL 5.7 \u5b98\u65b9\u6587\u6863 InnoDB\u5b58\u50a8\u5f15\u64ce\u4e00\u7ae0\u3002\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>InnoDB\u662fMySQL\u9ed8\u8ba4\u7684\u5b58\u50a8\u5f15\u64ce\uff0c\u652f\u6301\u4e8b\u52a1\uff0c\u5177\u6709\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u9760\u6027\u3002 \u4e00\u3001InnoDB\u6838\u5fc3\u4f18\u52bf \u652f\u6301\u4e8b\u52a1\uff0c &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"http:\/\/www.weijing.co\/?p=5407\"> <span class=\"screen-reader-text\">MySQL InnoDB\u7b80\u4ecb\u3001\u7279\u6027\u548c\u4f18\u52bf<\/span> \u67e5\u770b\u5168\u6587 &raquo;<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[90,88],"tags":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"mailpoet_newsletter_max":false,"woocommerce_thumbnail":false,"woocommerce_single":false,"woocommerce_gallery_thumbnail":false,"shop_catalog":false,"shop_single":false,"shop_thumbnail":false},"uagb_author_info":{"display_name":"weijing","author_link":"http:\/\/www.weijing.co\/?author=4"},"uagb_comment_info":0,"uagb_excerpt":"InnoDB\u662fMySQL\u9ed8\u8ba4\u7684\u5b58\u50a8\u5f15\u64ce\uff0c\u652f\u6301\u4e8b\u52a1\uff0c\u5177\u6709\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u9760\u6027\u3002 \u4e00\u3001InnoDB\u6838\u5fc3\u4f18\u52bf \u652f\u6301\u4e8b\u52a1\uff0c&hellip;","_links":{"self":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/5407"}],"collection":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5407"}],"version-history":[{"count":0,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/5407\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5407"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}