{"id":158503,"date":"2020-09-08T12:39:58","date_gmt":"2020-09-08T04:39:58","guid":{"rendered":"http:\/\/4563.org\/?p=158503"},"modified":"2020-09-08T12:39:58","modified_gmt":"2020-09-08T04:39:58","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88-innodb-%e9%80%89%e6%8b%a9%e4%ba%86-b%ef%bc%88b%ef%bc%89%e6%a0%91%e7%b4%a2%e5%bc%95%e8%80%8c%e4%b8%8d%e6%98%af%e5%93%88%e5%b8%8c%e7%b4%a2%e5%bc%95%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=158503","title":{"rendered":"\u4e3a\u4ec0\u4e48 InnoDB \u9009\u62e9\u4e86 B\uff08B+\uff09\u6811\u7d22\u5f15\u800c\u4e0d\u662f\u54c8\u5e0c\u7d22\u5f15\uff1f"},"content":{"rendered":"
\n
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\u4e3a\u4ec0\u4e48 InnoDB \u9009\u62e9\u4e86 B\uff08B+\uff09\u6811\u7d22\u5f15\u800c\u4e0d\u662f\u54c8\u5e0c\u7d22\u5f15\uff1f <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : Newyorkcity <\/span> <\/i> 5<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
\u4eca\u5929\u9762\u8bd5\u5b98\u95ee\u7684\u95ee\u9898\u3002\u3002\u6211\u60f3\u4e86\u4e00\u4e0b\u3002\u3002\u3002<\/p>\n

\u54c8\u5e0c\u7d22\u5f15\u7684\u5220\u9664\uff0c\u67e5\u627e\u5e94\u8be5\u90fd\u662f O(1)\u7684\u5427\uff1f\u65b0\u589e\u53ef\u80fd\u78b0\u4e0a\u54c8\u5e0c\u51b2\u7a81\uff0c\u4f46\u5982\u679c\u5b66\u4e60 java \u7684 HashMap\uff0c\u5728\u62c9\u94fe\u6cd5\u7684\u57fa\u7840\u4e0a\uff0c\u5f53\u62c9\u94fe\u62c9\u5f97\u592a\u957f\u65f6\uff0c\u5c06\u62c9\u94fe\u8f6c\u6362\u4e3a\u7ea2\u9ed1\u6811\uff0c\u65b0\u589e\u597d\u50cf\u6548\u7387\u4e5f\u8fd8\u884c\u5427\uff1f O(1)+O(logn)\u7684\u6548\u7387\uff1f<\/p>\n

\u90a3\u662f\u56e0\u4e3a\u4fee\u6539\uff1f\u5982\u679c\u4fee\u6539\u5230\u6784\u6210\u54c8\u5e0c\u7d22\u5f15\u7684\u5b57\u6bb5\u7684\u503c\u4f1a\u5bfc\u81f4\u54c8\u5e0c\u8981\u91cd\u65b0\u8ba1\u7b97\uff1f\u4f46\u5982\u679c\u4f7f\u7528\u65f6\u805a\u7c07\u7d22\u5f15\u4f7f\u7528\u54c8\u5e0c\uff0c\u4e00\u822c\u662f\u5efa\u7acb\u5728 ID \u8fd9\u79cd\u4e3b\u952e\u4e0a\u7684\uff0c\u8fd9\u79cd\u4e3b\u952e\u4e00\u822c\u90fd\u6ca1\u6709\u4fee\u6539\u7684\u53ef\u80fd\u5427\uff1f<\/p>\n

\u5982\u679c\u4e0d\u662f\u589e\u5220\u6539\u67e5\u6027\u80fd\u4e0a\u6709\u4f18\u52bf\u7684\u8bdd\u7406\u7531\u662f\u4ec0\u4e48\u5462\uff1f<\/p>\n

\u8c22\u8c22 <\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (16<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : mengzhexin <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0d\u652f\u6301\u8303\u56f4\u9501\uff0cso \u4e0d\u652f\u6301\u4e8b\u7269 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : mengzhexin <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u62c9\u94fe\u8fd9\u79cd\u7ed3\u6784\uff0c\u4e0d\u9002\u5408\u78c1\u76d8\u5b58\u50a8\uff0cio \u4e5f\u6162 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : Newyorkcity <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @mengzhexin \u611f\u8c22\u89e3\u7b54 \u90a3\u5176\u5b9e\u5c31\u589e\u5220\u6539\u67e5\u7684\u6027\u80fd\u6765\u8bf4\uff08\u5047\u5b9a\u6570\u636e\u90fd\u76f4\u63a5\u653e\u5728\u5185\u5b58\uff09 \u54c8\u5e0c\u7d22\u5f15\u786e\u5b9e\u662f\u66f4\u597d\u7684\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : Jooooooooo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e3b\u8981\u8fd8\u662f\u8fde\u7eed\u6570\u636e\u78c1\u76d8 io \u548c\u8303\u56f4\u67e5\u8be2\u7684\u95ee\u9898<\/p>\n

    \u8981\u662f\u6570\u636e\u5c11\u90fd\u5728\u5185\u5b58, \u90a3\u786e\u5b9e hash \u4e0d\u9519, \u53c2\u8003 redis <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : mengzhexin <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Newyorkcity \u4f60\u8981\u662f\u8fd9\u4e48\u8bf4\uff0c\u90a3\u80af\u5b9a\u662f\u3002\u4f46\u5c31\u662f\u90fd\u5728\u5185\u5b58\u91cc\uff0c\u4e5f\u4f1a\u6709\u7f3a\u9875\u7b49\u95ee\u9898\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : binux <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f60\u62ff\u4e00\u4e2a\u4e8c\u53c9\u67e5\u627e\u6811\u548c hash \u6bd4\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : xupefei <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd8\u6709\u4e00\u4e2a\u5173\u952e\u70b9\uff1aclustered B+ tree \u5728\u627e\u5230\u4e00\u4e2a\u53f6\u5b50\u7ed3\u70b9\u540e\u53ef\u4ee5\u987a\u5e8f\u626b\u63cf\uff0c\u4e0d\u9700\u8981\u518d\u4ece\u6839\u7ed3\u70b9\u67e5\u627e\u3002
    \u5e94\u7528\u573a\u666f\u5c31\u662f\u627e\u67d0\u4e00\u4e2a id \u548c\u5b83\u540e\u9762\u7684 100 \u4e2a id \u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : lhx2008 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    hashmap \u662f\u5185\u5b58\u5f88\u5feb\uff0c\u56e0\u4e3a\u5185\u5b58\u662f\u4f60\u60f3\u5230\u54ea\u5c31\u5230\u54ea
    \u6570\u636e\u5e93\u662f\u987a\u5e8f\u8bfb\u5199\uff0c\u6bcf\u4e00\u4e2a\u8282\u70b9\u5bf9\u5e94\u7684\u662f\u78c1\u76d8\u7684\u4e00\u4e2a\u9875\uff0c\u80af\u5b9a\u8981\u6811\u5f62\u7684\u7ed3\u6784 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : cassyfar <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    InnoDB \u4e0d\u662f\u4ece\u5185\u5b58\uff0c\u800c\u662f\u4ece\u78c1\u76d8\u91cc\u8bfb\u53d6\u6570\u636e\uff0c\u6240\u4ee5\u4f60\u7684\u90a3\u4e9b Big O \u90fd\u662f\u9519\u8bef\u7684\u3002\u9488\u5bf9\u78c1\u76d8\u8bfb\u53d6\uff0c\u6211\u8fd8\u6ca1\u89c1\u8fc7\u7528 hashmap \u7684\u3002\u3002\u3002\u5373\u4f7f\u662f nosql \u8fd9\u79cd key value storage\uff0c\u76f4\u89c9\u4e0a\u5c31\u5e94\u8be5\u7528 hashmap\uff0c\u4e5f\u662f\u7528\u7684 merkle tree \u8fd9\u79cd\u6570\u636e\u7ed3\u6784\u3002<\/p>\n

    \u4e0d\u8fc7\u8bf4\u5b9e\u8bdd\uff0c\u8fd9\u4e2a\u9762\u8bd5\u9898\u4e5f\u5fd2\u96be\u4e86\u5427\u3002\u3002\u3002\u611f\u89c9\u53ea\u6709 DB \u7ec4\u80fd\u9762\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : nvkou <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f9d\u7a00\u8bb0\u5f97\u662f\u6392\u5e8f\u548c\u8303\u56f4\u67e5\u627e\u7684\u539f\u56e0\u3002\u6563\u5217\u867d\u5feb\uff0c\u529f\u80fd\u5b9e\u73b0\u4ee3\u4ef7\u592a\u5927 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : xupefei <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @cassyfar \u8fd9\u9898\u96be\u5ea6\u4e0d\u9ad8\u5427\u3002B \u6811\u7b97\u662f\u6570\u636e\u5e93\u539f\u7406\u7684\u57fa\u7840\u77e5\u8bc6\uff0c\u79d1\u73ed\u51fa\u8eab\u90fd\u5e94\u8be5\u77e5\u9053\u7684\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : mengzhexin <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @cassyfar \u5e94\u5c4a \u603b\u88ab\u95ee\u3002\u751a\u81f3\u95ee\u78c1\u76d8\u6587\u4ef6\u7ec4\u7ec7\u7ed3\u6784 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : amazingrise <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u54c8\u5e0c\u7d22\u5f15\u7684\u8bdd\uff0c\u6bcf\u4e00\u4e2a\u9879\u90fd\u5747\u5300\u5206\u5e03\u5728\u5404\u4e2a\u6876\u91cc\u9762\uff0c\u8981\u67e5\u627e\u7d22\u5f15\u9879\u91cc\u9762\u7684\u5b50\u4e32\u7b80\u76f4\u662f\u4e00\u573a\u707e\u96be\u3002\u5982\u679c\u7d22\u5f15\u662f ID \u7684\u8bdd\u6ca1\u4ec0\u4e48\u5f71\u54cd\uff0c\u4f46\u662f\u5efa\u7acb\u7d22\u5f15\u7684\u4e0d\u6b62\u6709 ID <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : chocovon <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5173\u7cfb\u578b\u6570\u636e\u5e93\u57fa\u672c\u4e0a\u90fd\u662f B \u6811\u5427\uff0c\u4e3a\u4f55\u8981\u7279\u610f\u95ee InnoDB <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Cbdy <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    InnoDB \u4e5f\u652f\u6301 hash \u7d22\u5f15\u554a\uff0c\u4e0d\u8fc7\u662f\u81ea\u9002\u5e94\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : chihiro2014 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u770b\u573a\u666f\u554a\uff0c\u5982\u679c\u9762\u5411\u5185\u5b58\uff0c\u90a3\u4e48\u4f7f\u7528 hashmap \u6ca1\u4ec0\u4e48\u53ef\u8bf4\u7684\uff0c\u6027\u80fd\u5728\u90a3\u8fb9\u653e\u7740\u3002\u5982\u679c\u662f\u9762\u5411\u78c1\u76d8\uff0c\u73b0\u5728\u4e0d\u5c11\u670d\u52a1\u5668\u7684\u78c1\u76d8\u8fd8\u662f\u673a\u68b0\uff0c\u5982\u679c\u662f hashmap\uff0c\u5b83\u5728\u77e5\u9053\u4fe1\u606f\u7684\u60c5\u51b5\u4e0b\uff0c\u90a3\u4e48\u5b83\u7684\u67e5\u627e\u901f\u5ea6\u786e\u5b9e\u662f\u6700\u5feb\u7684\uff0c\u4f46\u662f\u8981\u505a\u7684\u78c1\u76d8 I\/O \u7684\u91cf\u5c31\u5f88\u5927\u3002\u56e0\u4e3a\u662f\u968f\u673a\u8bfb\u53d6\uff0c\u4e0d\u662f\u5faa\u5e8f\u626b\u63cf\uff0c\u6240\u4ee5\u5b83\u4e00\u6b21\u53d6\u7684 tuple \u6570\u91cf\u53ef\u80fd\u5c31\u662f\u4e00\u4e2a tuple\uff0c\u6548\u7387\u6781\u5176\u4f4e\u4e0b\uff0c\u5bf9\u4e8e\u5168\u8868\u626b\u63cf\u6765\u8bf4\uff0c\u53cd\u5012\u4e0d\u5982\u5faa\u5e8f\u626b\u63cf\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u4e00\u6b21\u83b7\u53d6\u4e00\u4e2a page \u7684 tuple\uff0c\u6548\u7387\u4e0d\u662f hashmap \u80fd\u6bd4\u7684\u3002\u6240\u4ee5\u8fd9\u65f6\u5019\u7528 B+ Tree \u8981\u6765\u5f97\u66f4\u4e3a\u5408\u9002\uff0c\u6bd5\u7adf\u53f6\u5b50\u8282\u70b9\u4e0a\u5c31\u662f\u4e00\u4e2a\u4e2a page\uff0c\u7136\u540e\u6309\u7740 page \u53bb\u4e00\u4e2a\u4e2a\u8bfb\u53d6\uff0c\u8fd9\u6837\u6548\u7387\u548c\u901f\u5ea6\u90fd\u80fd\u5927\u5927\u63d0\u5347\uff0c\u6bd5\u7adf\u51cf\u5c11 IO\uff0c\u4f46\u63d0\u5347\u4e86\u4e00\u6b21\u83b7\u53d6\u7684\u91cf <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u4e3a\u4ec0\u4e48 InnoDB \u9009\u62e9\u4e86 B\uff08…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/158503"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=158503"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/158503\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=158503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=158503"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=158503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}