{"id":44324,"date":"2024-12-01T13:59:47","date_gmt":"2024-12-01T05:59:47","guid":{"rendered":"https:\/\/fwq.ai\/blog\/44324\/"},"modified":"2024-12-01T13:59:47","modified_gmt":"2024-12-01T05:59:47","slug":"%e7%ae%a1%e7%90%86%e5%92%8c%e7%bb%b4%e6%8a%a4mysql%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b8%ad%e7%9a%84ibd%e6%96%87%e4%bb%b6%e7%9a%84%e6%9c%89%e6%95%88%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/44324\/","title":{"rendered":"\u7ba1\u7406\u548c\u7ef4\u62a4MySQL\u6570\u636e\u5e93\u4e2d\u7684ibd\u6587\u4ef6\u7684\u6709\u6548\u65b9\u6cd5"},"content":{"rendered":"

<\/b> <\/p>\n

\u7ba1\u7406\u548c\u7ef4\u62a4MySQL\u6570\u636e\u5e93\u4e2d\u7684ibd\u6587\u4ef6\u7684\u6709\u6548\u65b9\u6cd5<\/h1>\n

\u5728 MySQL \u6570\u636e\u5e93\u4e2d\uff0c\u7ba1\u7406\u548c\u7ef4\u62a4 .ibd \u6587\u4ef6\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u5b58\u50a8\u4e86 InnoDB \u8868\u7684\u6570\u636e\u548c\u7d22\u5f15\u3002\u672c\u6587\u5c06\u63d0\u4f9b\u6709\u6548\u7ba1\u7406\u548c\u7ef4\u62a4 .ibd \u6587\u4ef6\u7684\u65b9\u6cd5\uff0c\u5305\u62ec\u68c0\u67e5\u548c\u4f18\u5316\u8868\u7a7a\u95f4\u3001\u8fc1\u79fb .ibd \u6587\u4ef6\u3001\u4fee\u590d\u635f\u574f\u7684\u6587\u4ef6\u3001\u76d1\u63a7\u548c\u8c03\u4f18\u8868\u7a7a\u95f4\u4ee5\u53ca\u6e05\u7406\u8fc7\u671f\u6570\u636e\u548c\u65e5\u5fd7\u6587\u4ef6\u3002\u8fd9\u4e9b\u63aa\u65bd\u6709\u52a9\u4e8e\u786e\u4fdd\u6570\u636e\u5e93\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n

\u5728MySQL\u6570\u636e\u5e93\u4e2d\uff0c\u6bcf\u4e2aInnoDB\u8868\u90fd\u5bf9\u5e94\u7740\u4e00\u4e2a.ibd\u6587\u4ef6\uff0c\u8fd9\u4e2a\u6587\u4ef6\u5b58\u50a8\u4e86\u8868\u7684\u6570\u636e\u548c\u7d22\u5f15\u3002\u56e0\u6b64\uff0c\u5bf9\u4e8eMySQL\u6570\u636e\u5e93\u7684\u7ba1\u7406\u548c\u7ef4\u62a4\uff0cibd\u6587\u4ef6\u7684\u7ba1\u7406\u4e5f\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u6709\u6548\u7ba1\u7406\u548c\u7ef4\u62a4MySQL\u6570\u636e\u5e93\u4e2d\u7684ibd\u6587\u4ef6\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

1. \u68c0\u67e5\u548c\u4f18\u5316\u8868\u7a7a\u95f4<\/h3>\n

\u9996\u5148\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8bed\u53e5\u68c0\u67e5\u8868\u7684\u78c1\u76d8\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5\uff1a<\/p>\n

SELECT \n    TABLE_NAME,\n    ROUND((DATA_LENGTH + INDEX_LENGTH) \/ 1024 \/ 1024, 2) AS SIZE_MB\nFROM \n    INFORMATION_SCHEMA.TABLES \nWHERE \n    TABLE_SCHEMA = 'database_name';<\/pre>\n
\u8fd9\u6bb5\u4ee3\u7801\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u4e86\u89e3\u6bcf\u4e2a\u8868\u7684\u5927\u5c0f\uff0c\u786e\u4fdd\u53ca\u65f6\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6570\u636e\uff0c\u91ca\u653e\u78c1\u76d8\u7a7a\u95f4\u3002\u5982\u679c\u53d1\u73b0\u67d0\u4e2a\u8868\u8fc7\u5927\u6216\u8005\u5b58\u5728\u5927\u91cf\u65e0\u7528\u6570\u636e\uff0c\u53ef\u4ee5\u8003\u8651\u8fdb\u884c\u4f18\u5316\u64cd\u4f5c\u3002<\/p>\n
2. \u8fc1\u79fbibd\u6587\u4ef6<\/h3>\n
\u6709\u65f6\u5019\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5c06\u67d0\u4e2a\u8868\u7684\u6570\u636e\u4ece\u4e00\u4e2a\u6570\u636e\u5e93\u8fc1\u79fb\u5230\u53e6\u4e00\u4e2a\u6570\u636e\u5e93\u3002\u8fd9\u65f6\u5019\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u6765\u8fc1\u79fb\u5bf9\u5e94\u7684.ibd\u6587\u4ef6\uff1a<\/p>\n
    \n
  1. \u5907\u4efd\u6e90\u6570\u636e\u5e93\u4e2d\u7684\u8868\u7ed3\u6784\u548c\u6570\u636e\u3002<\/li>\n
  2. \u5c06\u6e90\u6570\u636e\u5e93\u5bf9\u5e94\u8868\u7684.ibd\u6587\u4ef6\u590d\u5236\u5230\u76ee\u6807\u6570\u636e\u5e93\u7684\u6570\u636e\u76ee\u5f55\u4e0b\u3002<\/li>\n
  3. \u5728\u76ee\u6807\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u4e0e\u6e90\u6570\u636e\u5e93\u4e2d\u8868\u76f8\u540c\u7684\u8868\u7ed3\u6784\u3002<\/li>\n
  4. \u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5bfc\u5165\u6570\u636e\uff1a<\/li>\n<\/ol>\n
    ALTER TABLE table_name IMPORT TABLESPACE;<\/pre>\n
    3. \u4fee\u590d\u635f\u574f\u7684ibd\u6587\u4ef6<\/h3>\n
    \u5f53\u53d1\u73b0\u67d0\u4e2a.ibd\u6587\u4ef6\u635f\u574f\u6216\u8005\u51fa\u73b0\u5f02\u5e38\u65f6\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u4fee\u590d\uff1a<\/p>\n
      \n
    1. \u9996\u5148\uff0c\u5907\u4efd\u6570\u636e\uff0c\u4ee5\u9632\u4fee\u590d\u8fc7\u7a0b\u4e2d\u6570\u636e\u4e22\u5931\u3002<\/li>\n
    2. \u5c1d\u8bd5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5c1d\u8bd5\u4fee\u590d\uff1a<\/li>\n<\/ol>\n
      ALTER TABLE table_name DISCARD TABLESPACE;<\/pre>\n
      ALTER TABLE table_name IMPORT TABLESPACE;<\/pre>\n
      4. \u76d1\u63a7\u548c\u8c03\u4f18\u8868\u7a7a\u95f4<\/h3>\n
      \u5b9a\u671f\u76d1\u63a7\u8868\u7a7a\u95f4\u7684\u4f7f\u7528\u60c5\u51b5\u662f\u975e\u5e38\u6709\u5fc5\u8981\u7684\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0bSQL\u8bed\u53e5\u6765\u67e5\u770b\u8868\u7684\u788e\u7247\u60c5\u51b5\uff1a<\/p>\n
      SELECT \n    table_name,\n    data_free\nFROM \n    information_schema.tables\nWHERE \n    data_free > 0;<\/pre>\n
      \u5982\u679c\u53d1\u73b0\u6709\u788e\u7247\u5316\u60c5\u51b5\u4e25\u91cd\u7684\u8868\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528OPTIMIZE TABLE\u547d\u4ee4\u6765\u8fdb\u884c\u788e\u7247\u6574\u7406\u3002<\/p>\n
      5. \u6e05\u7406\u8fc7\u671f\u6570\u636e\u548c\u65e5\u5fd7\u6587\u4ef6<\/h3>\n
      \u5b9a\u671f\u6e05\u7406\u8fc7\u671f\u6570\u636e\u548c\u65e5\u5fd7\u6587\u4ef6\u4e5f\u662f\u7ef4\u62a4MySQL\u6570\u636e\u5e93\u7684\u91cd\u8981\u64cd\u4f5c\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u6765\u6e05\u7406\uff1a<\/p>\n
        \n
      1. \u6e05\u7406\u8fc7\u671f\u6570\u636e\uff1a<\/li>\n<\/ol>\n
        DELETE FROM table_name WHERE expire_date < NOW();<\/pre>\n
          \n
        1. \u6e05\u7406\u65e5\u5fd7\u6587\u4ef6\uff1a<\/li>\n<\/ol>\n
          PURGE BINARY LOGS BEFORE '2022-01-01';<\/pre>\n
          \u901a\u8fc7\u4ee5\u4e0a\u63aa\u65bd\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u7ef4\u62a4MySQL\u6570\u636e\u5e93\u4e2d\u7684ibd\u6587\u4ef6\uff0c\u786e\u4fdd\u6570\u636e\u5e93\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u3002\u5e0c\u671b\u4ee5\u4e0a\u5185\u5bb9\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
          \u672c\u7bc7\u5173\u4e8e\u300a\u7ba1\u7406\u548c\u7ef4\u62a4MySQL\u6570\u636e\u5e93\u4e2d\u7684ibd\u6587\u4ef6\u7684\u6709\u6548\u65b9\u6cd5\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n
          \n
          \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
          \u7ba1\u7406\u548c\u7ef4\u62a4MySQL\u6570\u636e\u5e93\u4e2d\u7684ibd\u6587\u4ef6\u7684\u6709\u6548\u65b9\u6cd5 \u5728 MySQL \u6570\u636e\u5e93\u4e2d\uff0c\u7ba1\u7406\u548c\u7ef4\u62a4 .ibd \u6587\u4ef6\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u5b58\u50a8\u4e86 InnoDB \u8868\u7684\u6570\u636e\u548c\u7d22\u5f15\u3002\u672c\u6587\u5c06\u63d0\u4f9b\u6709\u6548\u7ba1\u7406\u548c\u7ef4\u62a4 .ibd \u6587\u4ef6\u7684\u65b9\u6cd5\uff0c\u5305\u62ec\u68c0\u67e5\u548c\u4f18\u5316\u8868\u7a7a\u95f4\u3001\u8fc1\u79fb .ibd \u6587\u4ef6\u3001\u4fee\u590d\u635f\u574f\u7684\u6587\u4ef6\u3001\u76d1\u63a7\u548c\u8c03\u4f18\u8868\u7a7a\u95f4\u4ee5\u53ca\u6e05\u7406\u8fc7\u671f\u6570\u636e\u548c\u65e5\u5fd7\u6587\u4ef6\u3002\u8fd9\u4e9b\u63aa\u65bd\u6709\u52a9\u4e8e\u786e\u4fdd\u6570\u636e\u5e93\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u3002 \u5728MySQL\u6570\u636e\u5e93\u4e2d\uff0c\u6bcf\u4e2aInnoDB\u8868\u90fd\u5bf9\u5e94\u7740\u4e00\u4e2a.ibd\u6587\u4ef6\uff0c\u8fd9\u4e2a\u6587\u4ef6\u5b58\u50a8\u4e86\u8868\u7684\u6570\u636e\u548c\u7d22\u5f15\u3002\u56e0\u6b64\uff0c\u5bf9\u4e8eMySQL\u6570\u636e\u5e93\u7684\u7ba1\u7406\u548c\u7ef4\u62a4\uff0cibd\u6587\u4ef6\u7684\u7ba1\u7406\u4e5f\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u6709\u6548\u7ba1\u7406\u548c\u7ef4\u62a4MySQL\u6570\u636e\u5e93\u4e2d\u7684ibd\u6587\u4ef6\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002 1. \u68c0\u67e5\u548c\u4f18\u5316\u8868\u7a7a\u95f4 \u9996\u5148\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8bed\u53e5\u68c0\u67e5\u8868\u7684\u78c1\u76d8\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5\uff1a SELECT TABLE_NAME, ROUND((DATA_LENGTH + INDEX_LENGTH) \/ 1024 \/ 1024, 2) AS SIZE_MB FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = ‘database_name’; \u8fd9\u6bb5\u4ee3\u7801\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u4e86\u89e3\u6bcf\u4e2a\u8868\u7684\u5927\u5c0f\uff0c\u786e\u4fdd\u53ca\u65f6\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6570\u636e\uff0c\u91ca\u653e\u78c1\u76d8\u7a7a\u95f4\u3002\u5982\u679c\u53d1\u73b0\u67d0\u4e2a\u8868\u8fc7\u5927\u6216\u8005\u5b58\u5728\u5927\u91cf\u65e0\u7528\u6570\u636e\uff0c\u53ef\u4ee5\u8003\u8651\u8fdb\u884c\u4f18\u5316\u64cd\u4f5c\u3002 2. \u8fc1\u79fbibd\u6587\u4ef6 \u6709\u65f6\u5019\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5c06\u67d0\u4e2a\u8868\u7684\u6570\u636e\u4ece\u4e00\u4e2a\u6570\u636e\u5e93\u8fc1\u79fb\u5230\u53e6\u4e00\u4e2a\u6570\u636e\u5e93\u3002\u8fd9\u65f6\u5019\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u6765\u8fc1\u79fb\u5bf9\u5e94\u7684.ibd\u6587\u4ef6\uff1a \u5907\u4efd\u6e90\u6570\u636e\u5e93\u4e2d\u7684\u8868\u7ed3\u6784\u548c\u6570\u636e\u3002 \u5c06\u6e90\u6570\u636e\u5e93\u5bf9\u5e94\u8868\u7684.ibd\u6587\u4ef6\u590d\u5236\u5230\u76ee\u6807\u6570\u636e\u5e93\u7684\u6570\u636e\u76ee\u5f55\u4e0b\u3002 \u5728\u76ee\u6807\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u4e0e\u6e90\u6570\u636e\u5e93\u4e2d\u8868\u76f8\u540c\u7684\u8868\u7ed3\u6784\u3002 \u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5bfc\u5165\u6570\u636e\uff1a ALTER TABLE table_name IMPORT TABLESPACE; 3. \u4fee\u590d\u635f\u574f\u7684ibd\u6587\u4ef6 \u5f53\u53d1\u73b0\u67d0\u4e2a.ibd\u6587\u4ef6\u635f\u574f\u6216\u8005\u51fa\u73b0\u5f02\u5e38\u65f6\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u4fee\u590d\uff1a \u9996\u5148\uff0c\u5907\u4efd\u6570\u636e\uff0c\u4ee5\u9632\u4fee\u590d\u8fc7\u7a0b\u4e2d\u6570\u636e\u4e22\u5931\u3002 \u5c1d\u8bd5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5c1d\u8bd5\u4fee\u590d\uff1a ALTER TABLE table_name […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-44324","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/44324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=44324"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/44324\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=44324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=44324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=44324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}