{"id":6439,"date":"2018-03-10T09:39:08","date_gmt":"2018-03-10T01:39:08","guid":{"rendered":"https:\/\/kyle.ai\/blog\/?p=6439"},"modified":"2018-03-10T09:39:08","modified_gmt":"2018-03-10T01:39:08","slug":"mysql%e7%9a%84innodb%e7%b4%a2%e5%bc%95%e5%8e%9f%e7%90%86%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/kyle.ai\/blog\/6439.html","title":{"rendered":"MySQL\u7684InnoDB\u7d22\u5f15\u539f\u7406\u8be6\u89e3"},"content":{"rendered":"<h1>1 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B\u6811\uff1a\u4e00\u68f5m\u9636B\u6811\u662f\u4e00\u68f5\u5e73\u8861\u7684m\u8def\u641c\u7d22\u6811\u3002\u6700\u91cd\u8981\u7684\u6027\u8d28\u662f\u6bcf\u4e2a\u975e\u6839\u8282\u70b9\u6240\u5305\u542b\u7684\u5173\u952e\u5b57\u4e2a\u6570 j \u6ee1\u8db3\uff1a\u250cm\/2\u2510 \u2013 1 &lt;= j &lt;= m \u2013 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\u6ee1\u8db3\uff1a\u250cm\/2\u2510 \u2013 1 &lt;= j &lt;= m\uff1b\u5b50\u6811\u7684\u4e2a\u6570\u6700\u591a\u53ef\u4ee5\u4e0e\u5173\u952e\u5b57\u4e00\u6837\u591a\u3002\u975e\u53f6\u8282\u70b9\u5b58\u50a8\u7684\u662f\u5b50\u6811\u91cc\u6700\u5c0f\u7684\u5173\u952e\u5b57\u3002\u540c\u65f6\u6570\u636e\u8282\u70b9\u53ea\u5b58\u5728\u4e8e\u53f6\u5b50\u8282\u70b9\u4e2d\uff0c\u4e14\u53f6\u5b50\u8282\u70b9\u95f4\u589e\u52a0\u4e86\u6a2a\u5411\u7684\u6307\u9488\uff0c\u8fd9\u6837\u987a\u5e8f\u904d\u5386\u6240\u6709\u6570\u636e\u5c06\u53d8\u5f97\u975e\u5e38\u5bb9\u6613\u3002<\/p>\n<p>4 B*\u6811\uff1a\u4e00\u68f5m\u9636B\u6811\u662f\u4e00\u68f5\u5e73\u8861\u7684m\u8def\u641c\u7d22\u6811\u3002\u6700\u91cd\u8981\u7684\u4e24\u4e2a\u6027\u8d28\u662f1\u6bcf\u4e2a\u975e\u6839\u8282\u70b9\u6240\u5305\u542b\u7684\u5173\u952e\u5b57\u4e2a\u6570 j \u6ee1\u8db3\uff1a\u250cm2\/3\u2510 \u2013 1 &lt;= j &lt;= m\uff1b2\u975e\u53f6\u8282\u70b9\u95f4\u6dfb\u52a0\u4e86\u6a2a\u5411\u6307\u9488\u3002<\/p>\n<p><a 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\/><\/a><\/p>\n<p>B\/B+\/B*\u4e09\u79cd\u6811\u6709\u76f8\u4f3c\u7684\u64cd\u4f5c\uff0c\u6bd4\u5982\u68c0\u7d22\/\u63d2\u5165\/\u5220\u9664\u8282\u70b9\u3002\u8fd9\u91cc\u53ea\u91cd\u70b9\u5173\u6ce8\u63d2\u5165\u8282\u70b9\u7684\u60c5\u51b5\uff0c\u4e14\u53ea\u5206\u6790\u4ed6\u4eec\u5728\u5f53\u524d\u8282\u70b9\u5df2\u6ee1\u60c5\u51b5\u4e0b\u7684\u63d2\u5165\u64cd\u4f5c\uff0c\u56e0\u4e3a\u8fd9\u4e2a\u52a8\u4f5c\u7a0d\u5fae\u590d\u6742\u4e14\u80fd\u5145\u5206\u4f53\u73b0\u51e0\u79cd\u6811\u7684\u5dee\u5f02\u3002\u4e0e\u4e4b\u5bf9\u6bd4\u7684\u662f\u68c0\u7d22\u8282\u70b9\u6bd4\u8f83\u5bb9\u6613\u5b9e\u73b0\uff0c\u800c\u5220\u9664\u8282\u70b9\u53ea\u8981\u5b8c\u6210\u4e0e\u63d2\u5165\u76f8\u53cd\u7684\u8fc7\u7a0b\u5373\u53ef\uff08\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u5220\u9664\u5e76\u4e0d\u662f\u63d2\u5165\u7684\u5b8c\u5168\u9006\u64cd\u4f5c\uff0c\u5f80\u5f80\u53ea\u5220\u9664\u6570\u636e\u800c\u4fdd\u7559\u4e0b\u7a7a\u95f4\u4e3a\u540e\u7eed\u4f7f\u7528\uff09\u3002<\/p>\n<p>\u5148\u770bB\u6811\u7684\u5206\u88c2\uff0c\u4e0b\u56fe\u7684\u7ea2\u8272\u503c\u5373\u4e3a\u6bcf\u6b21\u65b0\u63d2\u5165\u7684\u8282\u70b9\u3002\u6bcf\u5f53\u4e00\u4e2a\u8282\u70b9\u6ee1\u540e\uff0c\u5c31\u9700\u8981\u53d1\u751f\u5206\u88c2\uff08\u5206\u88c2\u662f\u4e00\u4e2a\u9012\u5f52\u8fc7\u7a0b\uff0c\u53c2\u8003\u4e0b\u97627\u7684\u63d2\u5165\u5bfc\u81f4\u4e86\u4e24\u5c42\u5206\u88c2\uff09\uff0c\u7531\u4e8eB\u6811\u7684\u975e\u53f6\u5b50\u8282\u70b9\u540c\u6837\u4fdd\u5b58\u4e86\u952e\u503c\uff0c\u6240\u4ee5\u5df2\u6ee1\u8282\u70b9\u5206\u88c2\u540e\u7684\u503c\u5c06\u5206\u5e03\u5728\u4e09\u4e2a\u5730\u65b9\uff1a1\u539f\u8282\u70b9\uff0c2\u539f\u8282\u70b9\u7684\u7236\u8282\u70b9\uff0c3\u539f\u8282\u70b9\u7684\u65b0\u5efa\u5144\u5f1f\u8282\u70b9\uff08\u53c2\u80035\uff0c7\u7684\u63d2\u5165\u8fc7\u7a0b\uff09\u3002\u5206\u88c2\u6709\u53ef\u80fd\u5bfc\u81f4\u6811\u7684\u9ad8\u5ea6\u589e\u52a0\uff08\u53c2\u80033\uff0c7\u7684\u63d2\u5165\u8fc7\u7a0b\uff09\uff0c\u4e5f\u53ef\u80fd\u4e0d\u5f71\u54cd\u6811\u7684\u9ad8\u5ea6\uff08\u53c2\u80035\uff0c6\u7684\u63d2\u5165\u8fc7\u7a0b\uff09\u3002<\/p>\n<p><a href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/4-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6443\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/4-1.png\" alt=\"4\" width=\"641\" height=\"138\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/4-1.png 641w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/4-1-300x65.png 300w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/4-1-624x134.png 624w\" sizes=\"auto, (max-width: 641px) 100vw, 641px\" \/><\/a><\/p>\n<p>B+\u6811\u7684\u5206\u88c2\uff1a\u5f53\u4e00\u4e2a\u7ed3\u70b9\u6ee1\u65f6\uff0c\u5206\u914d\u4e00\u4e2a\u65b0\u7684\u7ed3\u70b9\uff0c\u5e76\u5c06\u539f\u7ed3\u70b9\u4e2d1\/2\u7684\u6570\u636e\u590d\u5236\u5230\u65b0\u7ed3\u70b9\uff0c\u6700\u540e\u5728\u7236\u7ed3\u70b9\u4e2d\u589e\u52a0\u65b0\u7ed3\u70b9\u7684\u6307\u9488\uff1bB+\u6811\u7684\u5206\u88c2\u53ea\u5f71\u54cd\u539f\u7ed3\u70b9\u548c\u7236\u7ed3\u70b9\uff0c\u800c\u4e0d\u4f1a\u5f71\u54cd\u5144\u5f1f\u7ed3\u70b9\uff0c\u6240\u4ee5\u5b83\u4e0d\u9700\u8981\u6307\u5411\u5144\u5f1f\u8282\u70b9\u7684\u6307\u9488\u3002<\/p>\n<p><a href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/5-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6444\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/5-1.png\" alt=\"5\" width=\"536\" height=\"216\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/5-1.png 536w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/5-1-300x121.png 300w\" sizes=\"auto, (max-width: 536px) 100vw, 536px\" 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href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/6.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6445\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/6.png\" alt=\"6\" width=\"530\" height=\"218\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/6.png 530w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/6-300x123.png 300w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><\/a><\/p>\n<p>B+\u6811\u9002\u5408\u4f5c\u4e3a\u6570\u636e\u5e93\u7684\u57fa\u7840\u7ed3\u6784\uff0c\u5b8c\u5168\u662f\u56e0\u4e3a\u8ba1\u7b97\u673a\u7684\u5185\u5b58-\u673a\u68b0\u786c\u76d8\u4e24\u5c42\u5b58\u50a8\u7ed3\u6784\u3002\u5185\u5b58\u53ef\u4ee5\u5b8c\u6210\u5feb\u901f\u7684\u968f\u673a\u8bbf\u95ee\uff08\u968f\u673a\u8bbf\u95ee\u5373\u7ed9\u51fa\u4efb\u610f\u4e00\u4e2a\u5730\u5740\uff0c\u8981\u6c42\u8fd4\u56de\u8fd9\u4e2a\u5730\u5740\u5b58\u50a8\u7684\u6570\u636e\uff09\u4f46\u662f\u5bb9\u91cf\u8f83\u5c0f\u3002\u800c\u786c\u76d8\u7684\u968f\u673a\u8bbf\u95ee\u8981\u7ecf\u8fc7\u673a\u68b0\u52a8\u4f5c\uff081\u78c1\u5934\u79fb\u52a8 2\u76d8\u7247\u8f6c\u52a8\uff09\uff0c\u8bbf\u95ee\u6548\u7387\u6bd4\u5185\u5b58\u4f4e\u51e0\u4e2a\u6570\u91cf\u7ea7\uff0c\u4f46\u662f\u786c\u76d8\u5bb9\u91cf\u8f83\u5927\u3002\u5178\u578b\u7684\u6570\u636e\u5e93\u5bb9\u91cf\u5927\u5927\u8d85\u8fc7\u53ef\u7528\u5185\u5b58\u5927\u5c0f\uff0c\u8fd9\u5c31\u51b3\u5b9a\u4e86\u5728B+\u6811\u4e2d\u68c0\u7d22\u4e00\u6761\u6570\u636e\u5f88\u53ef\u80fd\u8981\u501f\u52a9\u51e0\u6b21\u78c1\u76d8IO\u64cd\u4f5c\u6765\u5b8c\u6210\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff1a\u901a\u5e38\u5411\u4e0b\u8bfb\u53d6\u4e00\u4e2a\u8282\u70b9\u7684\u52a8\u4f5c\u53ef\u80fd\u4f1a\u662f\u4e00\u6b21\u78c1\u76d8IO\u64cd\u4f5c\uff0c\u4e0d\u8fc7\u975e\u53f6\u8282\u70b9\u901a\u5e38\u4f1a\u5728\u521d\u59cb\u9636\u6bb5\u8f7d\u5165\u5185\u5b58\u4ee5\u52a0\u5feb\u8bbf\u95ee\u901f\u5ea6\u3002\u540c\u65f6\u4e3a\u63d0\u9ad8\u5728\u8282\u70b9\u95f4\u6a2a\u5411\u904d\u5386\u901f\u5ea6\uff0c\u771f\u5b9e\u6570\u636e\u5e93\u4e2d\u53ef\u80fd\u4f1a\u5c06\u56fe\u4e2d\u84dd\u8272\u7684CPU\u8ba1\u7b97\/\u5185\u5b58\u8bfb\u53d6\u4f18\u5316\u6210\u4e8c\u53c9\u641c\u7d22\u6811\uff08InnoDB\u4e2d\u7684page directory\u673a\u5236\uff09\u3002<\/p>\n<p><a href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/7.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6446\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/7.png\" alt=\"7\" width=\"558\" height=\"175\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/7.png 558w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/7-300x94.png 300w\" sizes=\"auto, (max-width: 558px) 100vw, 558px\" \/><\/a><\/p>\n<p>\u771f\u5b9e\u6570\u636e\u5e93\u4e2d\u7684B+\u6811\u5e94\u8be5\u662f\u975e\u5e38\u6241\u5e73\u7684\uff0c\u53ef\u4ee5\u901a\u8fc7\u5411\u8868\u4e2d\u987a\u5e8f\u63d2\u5165\u8db3\u591f\u6570\u636e\u7684\u65b9\u5f0f\u6765\u9a8c\u8bc1InnoDB\u4e2d\u7684B+\u6811\u5230\u5e95\u6709\u591a\u6241\u5e73\u3002\u6211\u4eec\u901a\u8fc7\u5982\u4e0b\u56fe\u7684CREATE\u8bed\u53e5\u5efa\u7acb\u4e00\u4e2a\u53ea\u6709\u7b80\u5355\u5b57\u6bb5\u7684\u6d4b\u8bd5\u8868\uff0c\u7136\u540e\u4e0d\u65ad\u6dfb\u52a0\u6570\u636e\u6765\u586b\u5145\u8fd9\u4e2a\u8868\u3002\u901a\u8fc7\u4e0b\u56fe\u7684\u7edf\u8ba1\u6570\u636e\uff08\u6765\u6e90\u89c1\u53c2\u8003\u6587\u732e1\uff09\u53ef\u4ee5\u5206\u6790\u51fa\u51e0\u4e2a\u76f4\u89c2\u7684\u7ed3\u8bba\uff0c\u8fd9\u51e0\u4e2a\u7ed3\u8bba\u5b8f\u89c2\u7684\u5c55\u73b0\u4e86\u6570\u636e\u5e93\u91ccB+\u6811\u7684\u5c3a\u5ea6\u3002<\/p>\n<p>1 \u6bcf\u4e2a\u53f6\u5b50\u8282\u70b9\u5b58\u50a8\u4e86468\u884c\u6570\u636e\uff0c\u6bcf\u4e2a\u975e\u53f6\u5b50\u8282\u70b9\u5b58\u50a8\u4e86\u5927\u7ea61200\u4e2a\u952e\u503c\uff0c\u8fd9\u662f\u4e00\u68f5\u5e73\u8861\u76841200\u8def\u641c\u7d22\u6811\uff01<\/p>\n<p>2 \u5bf9\u4e8e\u4e00\u4e2a22.1G\u5bb9\u91cf\u7684\u8868\uff0c\u4e5f\u53ea\u9700\u8981\u9ad8\u5ea6\u4e3a3\u7684B+\u6811\u5c31\u80fd\u5b58\u50a8\u4e86\uff0c\u8fd9\u4e2a\u5bb9\u91cf\u5927\u6982\u80fd\u6ee1\u8db3\u5f88\u591a\u5e94\u7528\u7684\u9700\u8981\u4e86\u3002\u5982\u679c\u628a\u9ad8\u5ea6\u589e\u5927\u52304\uff0c\u5219B+\u6811\u7684\u5b58\u50a8\u5bb9\u91cf\u7acb\u523b\u589e\u5927\u523025.9T\u4e4b\u5de8\uff01<\/p>\n<p>3 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href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/8.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6447\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/8.png\" alt=\"8\" width=\"563\" height=\"186\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/8.png 563w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/8-300x99.png 300w\" sizes=\"auto, (max-width: 563px) 100vw, 563px\" \/><\/a><\/p>\n<h1>2 Mysql\u7684\u5b58\u50a8\u5f15\u64ce\u548c\u7d22\u5f15<\/h1>\n<p>\u53ef\u4ee5\u8bf4\u6570\u636e\u5e93\u5fc5\u987b\u6709\u7d22\u5f15\uff0c\u6ca1\u6709\u7d22\u5f15\u5219\u68c0\u7d22\u8fc7\u7a0b\u53d8\u6210\u4e86\u987a\u5e8f\u67e5\u627e\uff0cO(n)\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u51e0\u4e4e\u662f\u4e0d\u80fd\u5fcd\u53d7\u7684\u3002\u6211\u4eec\u975e\u5e38\u5bb9\u6613\u60f3\u8c61\u51fa\u4e00\u4e2a\u53ea\u6709\u5355\u5173\u952e\u5b57\u7ec4\u6210\u7684\u8868\u5982\u4f55\u4f7f\u7528B+\u6811\u8fdb\u884c\u7d22\u5f15\uff0c\u53ea\u8981\u5c06\u5173\u952e\u5b57\u5b58\u50a8\u5230\u6811\u7684\u8282\u70b9\u5373\u53ef\u3002\u5f53\u6570\u636e\u5e93\u4e00\u6761\u8bb0\u5f55\u91cc\u5305\u542b\u591a\u4e2a\u5b57\u6bb5\u65f6\uff0c\u4e00\u68f5B+\u6811\u5c31\u53ea\u80fd\u5b58\u50a8\u4e3b\u952e\uff0c\u5982\u679c\u68c0\u7d22\u7684\u662f\u975e\u4e3b\u952e\u5b57\u6bb5\uff0c\u5219\u4e3b\u952e\u7d22\u5f15\u5931\u53bb\u4f5c\u7528\uff0c\u53c8\u53d8\u6210\u987a\u5e8f\u67e5\u627e\u4e86\u3002\u8fd9\u65f6\u5e94\u8be5\u5728\u7b2c\u4e8c\u4e2a\u8981\u68c0\u7d22\u7684\u5217\u4e0a\u5efa\u7acb\u7b2c\u4e8c\u5957\u7d22\u5f15\u3002 \u8fd9\u4e2a\u7d22\u5f15\u7531\u72ec\u7acb\u7684B+\u6811\u6765\u7ec4\u7ec7\u3002\u6709\u4e24\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\u53ef\u4ee5\u89e3\u51b3\u591a\u4e2aB+\u6811\u8bbf\u95ee\u540c\u4e00\u5957\u8868\u6570\u636e\u7684\u95ee\u9898\uff0c\u4e00\u79cd\u53eb\u505a\u805a\u7c07\u7d22\u5f15\uff08clustered index \uff09\uff0c\u4e00\u79cd\u53eb\u505a\u975e\u805a\u7c07\u7d22\u5f15\uff08secondary index\uff09\u3002\u8fd9\u4e24\u4e2a\u540d\u5b57\u867d\u7136\u90fd\u53eb\u505a\u7d22\u5f15\uff0c\u4f46\u8fd9\u5e76\u4e0d\u662f\u4e00\u79cd\u5355\u72ec\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u800c\u662f\u4e00\u79cd\u6570\u636e\u5b58\u50a8\u65b9\u5f0f\u3002\u5bf9\u4e8e\u805a\u7c07\u7d22\u5f15\u5b58\u50a8\u6765\u8bf4\uff0c\u884c\u6570\u636e\u548c\u4e3b\u952eB+\u6811\u5b58\u50a8\u5728\u4e00\u8d77\uff0c\u8f85\u52a9\u952eB+\u6811\u53ea\u5b58\u50a8\u8f85\u52a9\u952e\u548c\u4e3b\u952e\uff0c\u4e3b\u952e\u548c\u975e\u4e3b\u952eB+\u6811\u51e0\u4e4e\u662f\u4e24\u79cd\u7c7b\u578b\u7684\u6811\u3002\u5bf9\u4e8e\u975e\u805a\u7c07\u7d22\u5f15\u5b58\u50a8\u6765\u8bf4\uff0c\u4e3b\u952eB+\u6811\u5728\u53f6\u5b50\u8282\u70b9\u5b58\u50a8\u6307\u5411\u771f\u6b63\u6570\u636e\u884c\u7684\u6307\u9488\uff0c\u800c\u975e\u4e3b\u952e\u3002<\/p>\n<p>InnoDB\u4f7f\u7528\u7684\u662f\u805a\u7c07\u7d22\u5f15\uff0c\u5c06\u4e3b\u952e\u7ec4\u7ec7\u5230\u4e00\u68f5B+\u6811\u4e2d\uff0c\u800c\u884c\u6570\u636e\u5c31\u50a8\u5b58\u5728\u53f6\u5b50\u8282\u70b9\u4e0a\uff0c\u82e5\u4f7f\u7528\u201dwhere id = 14\u2033\u8fd9\u6837\u7684\u6761\u4ef6\u67e5\u627e\u4e3b\u952e\uff0c\u5219\u6309\u7167B+\u6811\u7684\u68c0\u7d22\u7b97\u6cd5\u5373\u53ef\u67e5\u627e\u5230\u5bf9\u5e94\u7684\u53f6\u8282\u70b9\uff0c\u4e4b\u540e\u83b7\u5f97\u884c\u6570\u636e\u3002\u82e5\u5bf9Name\u5217\u8fdb\u884c\u6761\u4ef6\u641c\u7d22\uff0c\u5219\u9700\u8981\u4e24\u4e2a\u6b65\u9aa4\uff1a\u7b2c\u4e00\u6b65\u5728\u8f85\u52a9\u7d22\u5f15B+\u6811\u4e2d\u68c0\u7d22Name\uff0c\u5230\u8fbe\u5176\u53f6\u5b50\u8282\u70b9\u83b7\u53d6\u5bf9\u5e94\u7684\u4e3b\u952e\u3002\u7b2c\u4e8c\u6b65\u4f7f\u7528\u4e3b\u952e\u5728\u4e3b\u7d22\u5f15B+\u6811\u79cd\u518d\u6267\u884c\u4e00\u6b21B+\u6811\u68c0\u7d22\u64cd\u4f5c\uff0c\u6700\u7ec8\u5230\u8fbe\u53f6\u5b50\u8282\u70b9\u5373\u53ef\u83b7\u53d6\u6574\u884c\u6570\u636e\u3002<\/p>\n<p>MyISM\u4f7f\u7528\u7684\u662f\u975e\u805a\u7c07\u7d22\u5f15\uff0c\u975e\u805a\u7c07\u7d22\u5f15\u7684\u4e24\u68f5B+\u6811\u770b\u4e0a\u53bb\u6ca1\u4ec0\u4e48\u4e0d\u540c\uff0c\u8282\u70b9\u7684\u7ed3\u6784\u5b8c\u5168\u4e00\u81f4\u53ea\u662f\u5b58\u50a8\u7684\u5185\u5bb9\u4e0d\u540c\u800c\u5df2\uff0c\u4e3b\u952e\u7d22\u5f15B+\u6811\u7684\u8282\u70b9\u5b58\u50a8\u4e86\u4e3b\u952e\uff0c\u8f85\u52a9\u952e\u7d22\u5f15B+\u6811\u5b58\u50a8\u4e86\u8f85\u52a9\u952e\u3002\u8868\u6570\u636e\u5b58\u50a8\u5728\u72ec\u7acb\u7684\u5730\u65b9\uff0c\u8fd9\u4e24\u9897B+\u6811\u7684\u53f6\u5b50\u8282\u70b9\u90fd\u4f7f\u7528\u4e00\u4e2a\u5730\u5740\u6307\u5411\u771f\u6b63\u7684\u8868\u6570\u636e\uff0c\u5bf9\u4e8e\u8868\u6570\u636e\u6765\u8bf4\uff0c\u8fd9\u4e24\u4e2a\u952e\u6ca1\u6709\u4efb\u4f55\u5dee\u522b\u3002\u7531\u4e8e\u7d22\u5f15\u6811\u662f\u72ec\u7acb\u7684\uff0c\u901a\u8fc7\u8f85\u52a9\u952e\u68c0\u7d22\u65e0\u9700\u8bbf\u95ee\u4e3b\u952e\u7684\u7d22\u5f15\u6811\u3002<\/p>\n<p>\u4e3a\u4e86\u66f4\u5f62\u8c61\u8bf4\u660e\u8fd9\u4e24\u79cd\u7d22\u5f15\u7684\u533a\u522b\uff0c\u6211\u4eec\u5047\u60f3\u4e00\u4e2a\u8868\u5982\u4e0b\u56fe\u5b58\u50a8\u4e864\u884c\u6570\u636e\u3002\u5176\u4e2dId\u4f5c\u4e3a\u4e3b\u7d22\u5f15\uff0cName\u4f5c\u4e3a\u8f85\u52a9\u7d22\u5f15\u3002\u56fe\u793a\u6e05\u6670\u7684\u663e\u793a\u4e86\u805a\u7c07\u7d22\u5f15\u548c\u975e\u805a\u7c07\u7d22\u5f15\u7684\u5dee\u5f02\u3002<\/p>\n<p><a href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/9.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6448\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/9.png\" alt=\"9\" width=\"164\" height=\"132\" \/><\/a> <a href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/10.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6449\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/10.png\" alt=\"10\" width=\"633\" height=\"461\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/10.png 633w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/10-300x218.png 300w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/10-624x454.png 624w\" sizes=\"auto, (max-width: 633px) 100vw, 633px\" \/><\/a><\/p>\n<p>\u6211\u4eec\u91cd\u70b9\u5173\u6ce8\u805a\u7c07\u7d22\u5f15\uff0c\u770b\u4e0a\u53bb\u805a\u7c07\u7d22\u5f15\u7684\u6548\u7387\u660e\u663e\u8981\u4f4e\u4e8e\u975e\u805a\u7c07\u7d22\u5f15\uff0c\u56e0\u4e3a\u6bcf\u6b21\u4f7f\u7528\u8f85\u52a9\u7d22\u5f15\u68c0\u7d22\u90fd\u8981\u7ecf\u8fc7\u4e24\u6b21B+\u6811\u67e5\u627e\uff0c\u8fd9\u4e0d\u662f\u591a\u6b64\u4e00\u4e3e\u5417\uff1f\u805a\u7c07\u7d22\u5f15\u7684\u4f18\u52bf\u5728\u54ea\uff1f<\/p>\n<p>1 \u7531\u4e8e\u884c\u6570\u636e\u548c\u53f6\u5b50\u8282\u70b9\u5b58\u50a8\u5728\u4e00\u8d77\uff0c\u8fd9\u6837\u4e3b\u952e\u548c\u884c\u6570\u636e\u662f\u4e00\u8d77\u88ab\u8f7d\u5165\u5185\u5b58\u7684\uff0c\u627e\u5230\u53f6\u5b50\u8282\u70b9\u5c31\u53ef\u4ee5\u7acb\u523b\u5c06\u884c\u6570\u636e\u8fd4\u56de\u4e86\uff0c\u5982\u679c\u6309\u7167\u4e3b\u952eId\u6765\u7ec4\u7ec7\u6570\u636e\uff0c\u83b7\u5f97\u6570\u636e\u66f4\u5feb\u3002<\/p>\n<p>2 \u8f85\u52a9\u7d22\u5f15\u4f7f\u7528\u4e3b\u952e\u4f5c\u4e3a\u201d\u6307\u9488\u201d \u800c\u4e0d\u662f\u4f7f\u7528\u5730\u5740\u503c\u4f5c\u4e3a\u6307\u9488\u7684\u597d\u5904\u662f\uff0c\u51cf\u5c11\u4e86\u5f53\u51fa\u73b0\u884c\u79fb\u52a8\u6216\u8005\u6570\u636e\u9875\u5206\u88c2\u65f6\u8f85\u52a9\u7d22\u5f15\u7684\u7ef4\u62a4\u5de5\u4f5c\uff0c\u4f7f\u7528\u4e3b\u952e\u503c\u5f53\u4f5c\u6307\u9488\u4f1a\u8ba9\u8f85\u52a9\u7d22\u5f15\u5360\u7528\u66f4\u591a\u7684\u7a7a\u95f4\uff0c\u6362\u6765\u7684\u597d\u5904\u662fInnoDB\u5728\u79fb\u52a8\u884c\u65f6\u65e0\u987b\u66f4\u65b0\u8f85\u52a9\u7d22\u5f15\u4e2d\u7684\u8fd9\u4e2a\u201d\u6307\u9488\u201d\u3002\u4e5f\u5c31\u662f\u8bf4\u884c\u7684\u4f4d\u7f6e\uff08\u5b9e\u73b0\u4e2d\u901a\u8fc716K\u7684Page\u6765\u5b9a\u4f4d\uff0c\u540e\u9762\u4f1a\u6d89\u53ca\uff09\u4f1a\u968f\u7740\u6570\u636e\u5e93\u91cc\u6570\u636e\u7684\u4fee\u6539\u800c\u53d1\u751f\u53d8\u5316\uff08\u524d\u9762\u7684B+\u6811\u8282\u70b9\u5206\u88c2\u4ee5\u53caPage\u7684\u5206\u88c2\uff09\uff0c\u4f7f\u7528\u805a\u7c07\u7d22\u5f15\u5c31\u53ef\u4ee5\u4fdd\u8bc1\u4e0d\u7ba1\u8fd9\u4e2a\u4e3b\u952eB+\u6811\u7684\u8282\u70b9\u5982\u4f55\u53d8\u5316\uff0c\u8f85\u52a9\u7d22\u5f15\u6811\u90fd\u4e0d\u53d7\u5f71\u54cd\u3002<\/p>\n<h1>3 Page\u7ed3\u6784<\/h1>\n<p>\u5982\u679c\u8bf4\u524d\u9762\u7684\u5185\u5bb9\u504f\u5411\u4e8e\u89e3\u91ca\u539f\u7406\uff0c\u90a3\u540e\u9762\u5c31\u5f00\u59cb\u6d89\u53ca\u5177\u4f53\u5b9e\u73b0\u4e86\u3002<\/p>\n<p>\u7406\u89e3InnoDB\u7684\u5b9e\u73b0\u4e0d\u5f97\u4e0d\u63d0Page\u7ed3\u6784\uff0cPage\u662f\u6574\u4e2aInnoDB\u5b58\u50a8\u7684\u6700\u57fa\u672c\u6784\u4ef6\uff0c\u4e5f\u662fInnoDB\u78c1\u76d8\u7ba1\u7406\u7684\u6700\u5c0f\u5355\u4f4d\uff0c\u4e0e\u6570\u636e\u5e93\u76f8\u5173\u7684\u6240\u6709\u5185\u5bb9\u90fd\u5b58\u50a8\u5728\u8fd9\u79cdPage\u7ed3\u6784\u91cc\u3002Page\u5206\u4e3a\u51e0\u79cd\u7c7b\u578b\uff0c\u5e38\u89c1\u7684\u9875\u7c7b\u578b\u6709\u6570\u636e\u9875\uff08B-tree Node\uff09Undo\u9875\uff08Undo Log Page\uff09\u7cfb\u7edf\u9875\uff08System Page\uff09 \u4e8b\u52a1\u6570\u636e\u9875\uff08Transaction System 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https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/13-300x98.png 300w\" sizes=\"auto, (max-width: 442px) 100vw, 442px\" \/><\/a><\/p>\n<p>\u518d\u770b\u770bPage\u7684\u4e3b\u4f53\u5185\u5bb9\uff0c\u6211\u4eec\u4e3b\u8981\u5173\u6ce8\u884c\u6570\u636e\u548c\u7d22\u5f15\u7684\u5b58\u50a8\uff0c\u4ed6\u4eec\u90fd\u4f4d\u4e8ePage\u7684User Records\u90e8\u5206\uff0cUser Records\u5360\u636ePage\u7684\u5927\u90e8\u5206\u7a7a\u95f4\uff0cUser 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3\u8f85\u52a9\u952e\u7d22\u5f15\u6811\u975e\u53f6\u8282\u70b9 4\u8f85\u52a9\u952e\u7d22\u5f15\u6811\u53f6\u5b50\u8282\u70b9\u3002\u8fd94\u79cd\u8282\u70b9\u7684Record\u683c\u5f0f\u6709\u4e00\u4e9b\u5dee\u5f02\uff0c\u4f46\u662f\u5b83\u4eec\u90fd\u5b58\u50a8\u7740Next\u6307\u9488\u6307\u5411\u4e0b\u4e00\u4e2aRecord\u3002\u540e\u7eed\u6211\u4eec\u4f1a\u8be6\u7ec6\u4ecb\u7ecd\u8fd94\u79cd\u8282\u70b9\uff0c\u73b0\u5728\u53ea\u9700\u8981\u628aRecord\u5f53\u6210\u4e00\u4e2a\u5b58\u50a8\u4e86\u6570\u636e\u540c\u65f6\u542b\u6709Next\u6307\u9488\u7684\u5355\u94fe\u8868\u8282\u70b9\u5373\u53ef\u3002<\/p>\n<p><a href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/14.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6453\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/14.png\" alt=\"14\" width=\"199\" height=\"524\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/14.png 199w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/14-114x300.png 114w\" sizes=\"auto, (max-width: 199px) 100vw, 199px\" \/><\/a><\/p>\n<p>User Record\u5728Page\u5185\u4ee5\u5355\u94fe\u8868\u7684\u5f62\u5f0f\u5b58\u5728\uff0c\u6700\u521d\u6570\u636e\u662f\u6309\u7167\u63d2\u5165\u7684\u5148\u540e\u987a\u5e8f\u6392\u5217\u7684\uff0c\u4f46\u662f\u968f\u7740\u65b0\u6570\u636e\u7684\u63d2\u5165\u548c\u65e7\u6570\u636e\u7684\u5220\u9664\uff0c\u6570\u636e\u7269\u7406\u987a\u5e8f\u4f1a\u53d8\u5f97\u6df7\u4e71\uff0c\u4f46\u4ed6\u4eec\u4f9d\u7136\u4fdd\u6301\u7740\u903b\u8f91\u4e0a\u7684\u5148\u540e\u987a\u5e8f\u3002<\/p>\n<p><a href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/15.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6454\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/15.png\" alt=\"15\" width=\"265\" height=\"370\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/15.png 265w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/15-215x300.png 215w\" sizes=\"auto, (max-width: 265px) 100vw, 265px\" \/><\/a><\/p>\n<p>\u628aUser Record\u7684\u7ec4\u7ec7\u5f62\u5f0f\u548c\u82e5\u5e72Page\u7ec4\u5408\u8d77\u6765\uff0c\u5c31\u770b\u5230\u4e86\u7a0d\u5fae\u5b8c\u6574\u7684\u5f62\u5f0f\u3002<\/p>\n<p><a href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/16.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6455\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/16.png\" alt=\"16\" width=\"567\" height=\"143\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/16.png 567w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/16-300x76.png 300w\" sizes=\"auto, (max-width: 567px) 100vw, 567px\" \/><\/a><\/p>\n<p>\u73b0\u5728\u770b\u4e0b\u5982\u4f55\u5b9a\u4f4d\u4e00\u4e2aRecord\uff1a<\/p>\n<p>1 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class=\"alignnone size-full wp-image-6456\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/17.png\" alt=\"17\" width=\"552\" height=\"150\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/17.png 552w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/17-300x82.png 300w\" sizes=\"auto, (max-width: 552px) 100vw, 552px\" \/><\/a><\/p>\n<p>\u8be6\u7ec6\u770b\u4e0b\u4e0d\u540c\u7c7b\u578b\u7684Record\u91cc\u5230\u5e95\u5b58\u50a8\u4e86\u4ec0\u4e48\u6570\u636e\uff0c\u6839\u636eB+\u6811\u8282\u70b9\u7684\u4e0d\u540c\uff0cUser Record\u53ef\u4ee5\u88ab\u5206\u6210\u56db\u79cd\u683c\u5f0f\uff0c\u4e0b\u56fe\u79cd\u6309\u7167\u989c\u8272\u4e88\u4ee5\u533a\u5206\u3002<\/p>\n<p>1 \u4e3b\u7d22\u5f15\u6811\u975e\u53f6\u8282\u70b9\uff08\u7eff\u8272\uff09<\/p>\n<p>1 \u5b50\u8282\u70b9\u5b58\u50a8\u7684\u4e3b\u952e\u91cc\u6700\u5c0f\u7684\u503c\uff08Min Cluster Key on 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\/><\/a><\/p>\n<p>\u4e0b\u9762\u662f\u672c\u7bc7\u6700\u91cd\u8981\u7684\u90e8\u5206\u4e86\uff0c\u7ed3\u5408B+\u6811\u7684\u7ed3\u6784\u548c\u524d\u9762\u4ecb\u7ecd\u76844\u79cdRecord\u7684\u5185\u5bb9\uff0c\u6211\u4eec\u7ec8\u4e8e\u53ef\u4ee5\u753b\u51fa\u4e00\u5e45\u5168\u666f\u56fe\u3002\u7531\u4e8e\u8f85\u52a9\u7d22\u5f15\u7684B+\u6811\u4e0e\u4e3b\u952e\u7d22\u5f15\u6709\u76f8\u4f3c\u7684\u7ed3\u6784\uff0c\u8fd9\u91cc\u53ea\u753b\u51fa\u4e86\u4e3b\u952e\u7d22\u5f15\u6811\u7684\u7ed3\u6784\u56fe\uff0c\u53ea\u5305\u542b\u4e86\u201d\u4e3b\u952e\u975e\u53f6\u8282\u70b9\u201d\u548c\u201d\u4e3b\u952e\u53f6\u5b50\u8282\u70b9\u201d\u4e24\u79cd\u8282\u70b9\uff0c\u4e5f\u5c31\u662f\u4e0a\u56fe\u7684\u7684\u7eff\u8272\u548c\u9ec4\u8272\u7684\u90e8\u5206\u3002<\/p>\n<p><a href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/19.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6458\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/19.png\" alt=\"19\" width=\"803\" height=\"609\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/19.png 803w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/19-300x228.png 300w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/19-768x582.png 768w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/19-624x473.png 624w\" sizes=\"auto, (max-width: 803px) 100vw, 803px\" \/><\/a><\/p>\n<p>\u628a\u4e0a\u56fe\u8fd8\u539f\u6210\u4e0b\u9762\u8fd9\u4e2a\u66f4\u7b80\u6d01\u7684\u6811\u5f62\u793a\u610f\u56fe\uff0c\u8fd9\u5c31\u662fB+\u6811\u7684\u4e00\u90e8\u5206\u3002\u6ce8\u610fPage\u548cB+\u6811\u8282\u70b9\u4e4b\u95f4\u5e76\u6ca1\u6709\u4e00\u4e00\u5bf9\u5e94\u7684\u5173\u7cfb\uff0cPage\u53ea\u662f\u4f5c\u4e3a\u4e00\u4e2aRecord\u7684\u4fdd\u5b58\u5bb9\u5668\uff0c\u5b83\u5b58\u5728\u7684\u76ee\u7684\u662f\u4fbf\u4e8e\u5bf9\u78c1\u76d8\u7a7a\u95f4\u8fdb\u884c\u6279\u91cf\u7ba1\u7406\uff0c\u4e0a\u56fe\u4e2d\u7684\u7f16\u53f7\u4e3a47\u7684Page\u5728\u6811\u5f62\u7ed3\u6784\u4e0a\u5c31\u88ab\u62c6\u5206\u6210\u4e86\u4e24\u4e2a\u72ec\u7acb\u8282\u70b9\u3002<\/p>\n<p><a href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/20.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6459\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/20.png\" alt=\"20\" width=\"384\" height=\"164\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/20.png 384w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2018\/03\/20-300x128.png 300w\" sizes=\"auto, (max-width: 384px) 100vw, 384px\" 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href=\"http:\/\/blog.jcole.us\/innodb\/\">Jeremy Cole\u7684\u535a\u5ba2<\/a>\uff08\u53c2\u8003\u6587\u732e\u4e09\u7bc7\u6587\u7ae0\u7684\u6765\u6e90\uff09\uff0c\u8fd9\u4f4d\u8001\u5144\u66fe\u5148\u540e\u5728Mysql\uff0cYahoo\uff0cTwitter\uff0cGoogle\u4ece\u4e8b\u6570\u636e\u5e93\u76f8\u5173\u5de5\u4f5c\uff0c\u4ed6\u7684\u6587\u7ae0\u975e\u5e38\u68d2\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1 \u5404\u79cd\u6811\u5f62\u7ed3\u6784 \u672c\u6765\u4e0d\u6253\u7b97\u4ece\u4e8c\u53c9\u641c\u7d22\u6811\u5f00\u59cb\uff0c\u56e0\u4e3a\u7f51\u4e0a\u5df2\u7ecf\u6709\u592a\u591a\u76f8\u5173\u6587\u7ae0\uff0c\u4f46\u662f\u8003\u8651\u5230\u6e05\u6670\u7684\u56fe\u793a\u5bf9\u7406\u89e3\u95ee\u9898\u6709\u5f88\u5927 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