{"id":1770,"date":"2019-01-14T07:50:34","date_gmt":"2019-01-13T23:50:34","guid":{"rendered":"https:\/\/coderbee.net\/?p=1770"},"modified":"2019-01-30T16:14:56","modified_gmt":"2019-01-30T08:14:56","slug":"innodb-sorted-index-build","status":"publish","type":"post","link":"https:\/\/coderbee.net\/index.php\/db\/20190114\/1770","title":{"rendered":"InnoDB Sorted Index Build"},"content":{"rendered":"

Sorted Index Build<\/h1>\n

InnoDB \u5728\u521b\u5efa\u6216\u91cd\u5efa\u7d22\u5f15\u65f6\u91c7\u7528 \u6279\u91cf\u52a0\u8f7d\u800c\u4e0d\u662f\u4e00\u6b21\u63d2\u5165\u4e00\u4e2a\u7d22\u5f15\u8bb0\u5f55\u7684\u65b9\u5f0f\u3002\u8fd9\u79cd\u7d22\u5f15\u521b\u5efa\u65b9\u6cd5\u4e5f\u79f0\u4e3a Sorted Index Build \uff0c\u8be5\u65b9\u5f0f\u4e0d\u652f\u6301\u7a7a\u95f4\u7d22\u5f15\u3002<\/p>\n

\u7d22\u5f15\u521b\u5efa\u6709\u4e09\u4e2a\u9636\u6bb5\uff1a<\/p>\n

    \n
  1. \n

    \u7b2c\u4e00\u9636\u6bb5\uff0c\u626b\u63cf\u805a\u7c07\u7d22\u5f15\uff0c\u751f\u6210\u7d22\u5f15\u6761\u76ee\u5e76\u6dfb\u52a0\u5230\u6392\u5e8f\u7f13\u5b58(sort buffer)\u3002\u5f53\u6392\u5e8f\u7f13\u5b58\u6ee1\u4e86\u540e\uff0c\u6761\u76ee\u88ab\u6392\u5e8f\u3001\u5199\u5165\u4e34\u65f6\u7684\u4e2d\u95f4\u6587\u4ef6\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u4e5f\u79f0\u4e3a run \u3002<\/p>\n<\/li>\n

  2. \n

    \u7b2c\u4e8c\u9636\u6bb5\uff0c\u4e00\u4e2a\u6216\u591a\u4e2a run \u5199\u5165\u4e34\u65f6\u4e2d\u95f4\u6587\u4ef6\uff0c\u5bf9\u6587\u4ef6\u91cc\u7684\u6240\u6709\u6761\u76ee\u6267\u884c\u5408\u5e76\u6392\u5e8f\u3002<\/p>\n<\/li>\n

  3. \n

    \u5728\u7b2c\u4e09\u9636\u6bb5\uff0c\u6392\u5e8f\u540e\u7684\u6761\u76ee\u88ab\u63d2\u5165\u5230 B+tree \u4e0a\u3002<\/p>\n<\/li>\n<\/ol>\n

    Sorted Index build \u91c7\u7528\u81ea\u5e95\u5411\u4e0a\u65b9\u5f0f\u6765\u6784\u5efa\u7d22\u5f15\uff0c\u91c7\u7528\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5728 B+Tree \u7684\u6bcf\u4e00\u5c42\uff0c\u6301\u6709\u5bf9\u6700\u53f3\u53f6\u5b50\u9875\u7684\u5f15\u7528\u3002\u4f4d\u4e8eB+Tree\u9700\u8981\u7684\u6df1\u5ea6\u7684\u6700\u53f3\u53f6\u5b50\u9875\u88ab\u5206\u914d\uff0c\u6761\u76ee\u6309\u5b83\u4eec\u6392\u5e8f\u540e\u7684\u987a\u5e8f\u63d2\u5165\u3002\u4e00\u65e6\u53f6\u5b50\u9875\u6ee1\u4e86\uff0c\u4e00\u4e2a\u8282\u70b9\u6307\u9488\u8ffd\u52a0\u5230\u7236\u9875\u4e0a\uff0c\u540c\u5c42\u53f6\u5b50\u9875\u88ab\u5206\u914d\u7528\u4e8e\u63a5\u4e0b\u6765\u7684\u63d2\u5165\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u6301\u7eed\u81f3\u6240\u6709\u6761\u76ee\u63d2\u5165\u5b8c\u6210\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u63d2\u5165\u4e00\u76f4\u5230\u9876\u5c42\u3002<\/p>\n

    \n

    \u767d\u8bdd\u89e3\u8bfb\uff1a\u6700\u5e95\u5c42\u7684\u6700\u53f3\u53f6\u5b50\u9875\u63d2\u5165\u7d22\u5f15\u8bb0\u5f55\uff0c\u5982\u679c\u5f53\u524d\u6700\u53f3\u53f6\u5b50\u9875\u6ee1\u4e86\uff0c\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u6700\u53f3\u53f6\u5b50\u9875\u4f5c\u4e3a\u63a5\u4e0b\u6765\u7684\u63d2\u5165\u4f4d\u7f6e\uff0c\u5728\u65b0\u65e7\u6700\u53f3\u53f6\u5b50\u9875\u4e4b\u95f4\u5efa\u7acb\u6307\u9488\u94fe\u63a5\uff0c\u7136\u540e\u628a\u6307\u5411\u65e7\u6700\u53f3\u53f6\u5b50\u9875\u7684\u6307\u9488\u8ffd\u52a0\u5230\u4e0a\u4e00\u5c42\u7684\u6700\u53f3\u53f6\u5b50\u9875\uff0c\u89e6\u53d1\u4e0a\u4e00\u5c42\u7684\u6700\u53f3\u53f6\u5b50\u9875\u63d2\u5165\uff0c\u903b\u8f91\u8ddf\u524d\u9762\u662f\u4e00\u6837\u7684\uff0c\u8fd9\u662f\u4e2a\u9012\u5f52\u7684\u8fc7\u7a0b\uff0c\u76f4\u81f3\u6839\u9875\u3002\u8fd9\u662f\u4e00\u4e2a\u81ea\u5e95\u5411\u4e0a\u3001\u9012\u5f52\u6784\u5efa\u7684\u8fc7\u7a0b<\/strong>\u3002<\/p>\n<\/blockquote>\n

    \u6700\u7ec8\u751f\u6210\u7684\u7d22\u5f15\u7ed3\u6784\u5982\u4e0b\u56fe\uff08\u56fe\u7247\u6765\u81eaMySQL\u5185\u6838\u89e3\u6790\uff1aInnodb\u9875\u9762\u5b58\u50a8\u7ed3\u6784-1<\/a>\uff09\uff1a
    \n\"InnoDB\u7d22\u5f15\u7ed3\u6784\"<\/p>\n

    \u4e3a\u540e\u7eed\u63d2\u5165\u4fdd\u7559\u7a7a\u95f4<\/h2>\n

    \u53ef\u4ee5\u4f7f\u7528 innodb_fill_factor<\/code> \u914d\u7f6e\u9009\u9879\u6765\u6307\u5b9a\u5728 B+Tree \u9875\u7a7a\u95f4\u4fdd\u7559\u7684\u7a7a\u95f2\u767e\u5206\u6bd4\uff0c\u7528\u4e8e\u540e\u7eed\u5728\u8fd9\u4e9b\u4f4d\u7f6e\u63d2\u5165\u7d22\u5f15\u6761\u76ee\u3002<\/p>\n

    \u8fd9\u4e2a\u8bbe\u7f6e\u5e94\u7528\u4e8e\u7d22\u5f15\u6811\u7684\u53f6\u5b50\u548c\u975e\u53f6\u5b50\u9875\u3002\u4e0d\u9002\u7528\u4e8e\u5916\u90e8\u9875\u5982\u7528\u4e8e TEXT<\/code>\/CLOB<\/code> \u6761\u76ee\u7684\u3002<\/p>\n

    \u8fd9\u4e2a\u914d\u7f6e\u662f\u4e00\u4e2a\u63d0\u793a\u800c\u975e\u5f3a\u5236\u7ea6\u675f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    Sorted Index Build InnoDB \u5728\u521b\u5efa\u6216\u91cd\u5efa\u7d22\u5f15\u65f6\u91c7\u7528 \u6279\u91cf … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[301,302,303],"_links":{"self":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/1770"}],"collection":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/comments?post=1770"}],"version-history":[{"count":4,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/1770\/revisions"}],"predecessor-version":[{"id":1790,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/1770\/revisions\/1790"}],"wp:attachment":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/media?parent=1770"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/categories?post=1770"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/tags?post=1770"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}