{"id":1351,"date":"2018-01-09T02:02:40","date_gmt":"2018-01-08T18:02:40","guid":{"rendered":"http:\/\/www.royalwzy.com\/?p=1351"},"modified":"2018-01-09T02:02:40","modified_gmt":"2018-01-08T18:02:40","slug":"mysql-transportable-tablespacetts-%e4%bd%bf%e7%94%a8%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"http:\/\/www.royalwzy.com\/?p=1351","title":{"rendered":"MySQL Transportable TableSpace(TTS) \u4f7f\u7528\u8be6\u89e3"},"content":{"rendered":"

\u5c06\u5927\u7684InnoDB\u8868\u4ece\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u79fb\u52a8\u6216\u8005\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u6709\u5f88\u591a\u7684\u65b9\u6cd5\uff0c\u57285.6\u4e4b\u524d\u5e38\u7528\u7684\u662f\u901a\u8fc7\u7269\u7406\u6216\u8005\u903b\u8f91\u5907\u4efd\u6765\u5b9e\u73b0\u3002
\n\u57285.6.6+\u7684\u7248\u672c\u4e2d\uff0c\u7528\u5230\u4e86\u4e00\u79cd\u57fa\u4e8e\u8868\u7a7a\u95f4\u8fc1\u79fb\u7684\u5feb\u901f\u65b9\u6cd5\uff0c\u5373\u7c7b\u4f3cOracle\u00a0TTS\u3002<\/p>\n

 <\/p>\n

\u4f7f\u7528\u8d77\u6765\u5341\u5206\u7b80\u5355\uff0c\u6b64\u5904\u5c06\u5b9e\u4f8b1\u4e0a\u7684\u8868\u6570\u636e\u901a\u8fc7TTS\u65b9\u5f0f\u5bfc\u5165\u5b9e\u4f8b2<\/p>\n

\u3007 \u5728\u5b9e\u4f8b1\u4e0a\u521b\u5efa\u6d4b\u8bd5\u6570\u636e\uff1a<\/p>\n

    \n
  1. — \u521b\u5efa\u5f85\u8fc1\u79fb\u7684\u8868<\/li>\n
  2. mysql1>\u00a0CREATE\u00a0TABLE\u00a0tts(id\u00a0int\u00a0PRIMARY KEY\u00a0AUTO_INCREMENT,\u00a0name\u00a0char(128));<\/li>\n
  3. Query OK,\u00a00 rows affected\u00a0(0.01 sec)<\/li>\n
  4. <\/li>\n
  5. mysql1>\u00a0INSERT\u00a0INTO\u00a0tts(name)\u00a0VALUES(REPEAT(‘a’,128));<\/li>\n
  6. Query OK,\u00a01 row affected\u00a0(0.00 sec)<\/li>\n
  7. <\/li>\n
  8. mysql1>\u00a0INSERT\u00a0INTO\u00a0tts(name)\u00a0SELECT\u00a0name\u00a0FROM\u00a0tts;<\/li>\n
  9. Query OK,\u00a01 row affected\u00a0(0.00 sec)<\/li>\n
  10. Records: 1 Duplicates: 0 Warnings: 0<\/li>\n
  11. <\/li>\n
  12. mysql1>\u00a0INSERT\u00a0INTO\u00a0tts(name)\u00a0SELECT\u00a0name\u00a0FROM\u00a0tts;<\/li>\n
  13. Query OK,\u00a02 rows affected\u00a0(0.00 sec)<\/li>\n
  14. Records: 2 Duplicates: 0 Warnings: 0<\/li>\n
  15. <\/li>\n
  16. \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026<\/li>\n
  17. <\/li>\n
  18. mysql1>\u00a0INSERT\u00a0INTO\u00a0tts(name)\u00a0SELECT\u00a0name\u00a0FROM\u00a0tts;<\/li>\n
  19. Query OK,\u00a0262144 rows affected\u00a0(2.15 sec)<\/li>\n
  20. Records: 262144 Duplicates: 0 Warnings: 0<\/li>\n
  21. <\/li>\n
  22. — \u5df2\u4ea7\u751f92M\u7684ibd\u6587\u4ef6<\/li>\n
  23. mysql1>\u00a0\\!\u00a0du -sh\u00a0\/data\/mysql\/test\/tts*<\/li>\n
  24. 12K\u00a0\/data\/mysql\/test\/tts.frm<\/li>\n
  25. 92M\u00a0\/data\/mysql\/test\/tts.ibd<\/li>\n<\/ol>\n

     <\/p>\n

    \u3007 \u5728\u5b9e\u4f8b2\u4e0a\u521b\u5efa\u548c\u5b9e\u4f8b1\u76f8\u540c\u8868\u7ed3\u6784\u7684\u8868\uff0c\u5e76\u6267\u884c\uff08\u8be5\u64cd\u4f5c\u4f1a\u8bb0\u5f55binlog\uff0c\u53ef\u4e34\u65f6\u4e0d\u8bb0binlog\uff09\uff1a<\/p>\n

    \n
      \n
    1. SET sql_log_bin=0;<\/li>\n
    2. ALTER\u00a0TABLE\u00a0tts DISCARD TABLESPACE;<\/li>\n
    3. SET sql_log_bin=1;<\/li>\n<\/ol>\n<\/div>\n

       <\/p>\n

      \u3007 \u5bf9\u5b9e\u4f8b1\u7684\u8be5\u8868\u6267\u884cFLUSH TABLE $tb_name FOR EXPORT\uff1a<\/p>\n

      \n
      \n
        \n
      1. mysql1>\u00a0FLUSH\u00a0TABLE\u00a0tts\u00a0FOR\u00a0EXPORT;<\/li>\n
      2. Query OK,\u00a00 rows affected\u00a0(0.05 sec)<\/li>\n
      3. <\/li>\n
      4. — \u4ea7\u751f\u591a\u4e86\u4e00\u4e2acfg\u6587\u4ef6<\/li>\n
      5. mysql1>\u00a0\\!\u00a0du -sh\u00a0\/data\/mysql\/test\/tts*<\/li>\n
      6. 4.0K\u00a0\/data\/mysql\/test\/tts.cfg<\/li>\n
      7. 12K\u00a0\/data\/mysql\/test\/tts.frm<\/li>\n
      8. 92M\u00a0\/data\/mysql\/test\/tts.ibd<\/li>\n<\/ol>\n

         <\/p>\n

        \u3007 \u5c06\u5b9e\u4f8b1\u7684\/data\/mysql\/test\/tts.{ibd,cfg}\u6587\u4ef6\u62f7\u5230\u5b9e\u4f8b2\u6240\u5728\u7684datadir\u5bf9\u5e94\u7684\u5e93\u76ee\u5f55\u4e2d\uff0c\u5e76\u4e3a\u4fe9\u6587\u4ef6\u8d4b\u6743\u3002<\/p>\n

         <\/p>\n

        \u3007 \u6062\u590d\u5b9e\u4f8b1\u4e2dtest.tts\u8868\u7684\u53ef\u7528\u6027\uff08\u6b64\u65f6cfg\u6587\u4ef6\u5df2\u56de\u6536\uff09\uff1a<\/p>\n

        \n
        \n
        \n
        \n
          \n
        1. mysql1>\u00a0UNLOCK TABLES;<\/li>\n
        2. Query OK,\u00a00 rows affected\u00a0(0.00 sec)<\/li>\n
        3. <\/li>\n
        4. mysql1>\u00a0\\!\u00a0du -sh\u00a0\/data\/mysql\/test\/tts*<\/li>\n
        5. 12K\u00a0\/data\/mysql\/test\/tts.frm<\/li>\n
        6. 92M\u00a0\/data\/mysql\/test\/tts.ibd<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

           <\/p>\n

          \u3007 \u5c06\u8868\u7a7a\u95f4ibd\u6587\u4ef6\u6062\u590d\u81f3\u5b9e\u4f8b2\u7684test.tts\u8868\uff1a<\/p>\n

          \n
          \n
          \n
          \n
            \n
          1. mysql2>\u00a0ALTER\u00a0TABLE\u00a0tts IMPORT TABLESPACE;<\/li>\n
          2. Query OK,\u00a00 rows affected\u00a0(0.93 sec)<\/li>\n
          3. <\/li>\n
          4. mysql2>\u00a0SELECT\u00a0count(*)\u00a0FROM\u00a0tts;<\/li>\n
          5. +———-+<\/li>\n
          6. |\u00a0count(*)\u00a0|<\/li>\n
          7. +———-+<\/li>\n
          8. |\u00a0524288 \u00a0\u00a0|<\/li>\n
          9. +———-+<\/li>\n
          10. 1 row\u00a0in\u00a0set\u00a0(0.34 sec)<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

             <\/p>\n

            \n
            \n
            \u81f3\u6b64\uff0c\u5df2\u7ecf\u5c06mysql1\u5b9e\u4f8b\u4e0a\u7684tts\u8868\u4e2d\u6570\u636e\u5feb\u901f\u5730\u8fc1\u79fb\u5230mysql2\u5b9e\u4f8b\u4e0a\u4e86\u3002<\/div>\n<\/div>\n<\/div>\n
            <\/div>\n
            \u2460 discard tablespace<\/strong><\/div>\n
            \u4e3a\u8868\u52a0MDL\u9501\uff0c\u5220\u9664change buffer\u6240\u6709\u76f8\u5173\u7684\u7f13\u5b58\u9879\uff0c\u8bbe\u7f6e\u8868\u5143\u6570\u636e\u4fe1\u606f\uff0c\u6807\u5fd7tablespace\u4e3a\u5220\u9664\u72b6\u6001\uff0c\u91cd\u65b0\u751f\u6210\u8868\u7684id\uff0c\u4fdd\u8bc1\u57fa\u4e8e\u8868id\u7684\u64cd\u4f5c\u540e\u7eed\u5747\u4f1a\u5931\u8d25\uff0c\u518d\u5c06idb\u6587\u4ef6\u5e72\u6389\uff0c\u5728\u2461\u4e2d\u7684\u4e24\u6b21du\u53ef\u4ee5\u770b\u5230.idb\u6587\u4ef6\u5df2\u7ecf\u88ab\u5220\u9664\u4e86\u3002\u8fd9\u662f\u4e00\u4e2a\u5341\u5206\u5371\u9669\u7684\u64cd\u4f5c\uff0c\u614e\u91cd\uff1b\u6b64\u64cd\u4f5c\u4e5f\u4f1a\u8bb0\u5f55binlog\uff0c\u82e5\u5728\u590d\u5236\u7ed3\u6784\u53ef\u80fd\u4f1a\u6709\u610f\u60f3\u4e0d\u5230\u7684\u707e\u96be\uff0c\u5207\u8bb0\u5148\u4e34\u65f6\u5173\u95edbinlog\u3002<\/div>\n
            <\/div>\n
            <\/div>\n
            \u2461 flush table … for export<\/strong><\/div>\n
            \u4e3a\u8868\u52a0\u5171\u4eab\u9501\uff0c\u5e76purge coordinator thread\uff08\u5728\u5e76\u884c\u590d\u5236\u4e2d\u7684sql thread\u88ab\u79f0\u4e3acoordinator\uff09\u505c\u6b62\uff0c\u5e76\u4e14\u5c06\u810f\u9875\u5f3a\u5236\u540c\u6b65\u5230\u78c1\u76d8\uff0c\u521b\u5efa\u5e76\u5c06test.tts\u8868\u7684\u5143\u6570\u636e\u5199\u5165.cfg\u6587\u4ef6\uff1b
            \nFLUSH TABLES … FOR EXPORT\u5728error log\u4e2d\u4f53\u73b0\u4e86\u8fd9\u4e2a\u8fc7\u7a0b\uff1a
            \n[Note] InnoDB: Sync to disk of ‘”test”.”tts”‘ started.
            \n[Note] InnoDB: Stopping purge
            \n[Note] InnoDB: Writing table metadata to ‘.\/test\/tts.cfg’
            \n[Note] InnoDB: Table ‘”test”.”tts”‘ flushed to disk<\/div>\n
            <\/div>\n
            <\/div>\n
            \u2462 unlock tables<\/strong><\/div>\n
            \u6b64\u65f6.cfg\u6587\u4ef6\u88ab\u5220\u6389\uff0cpurge coordinator thread\u4e5f\u4f1a\u91cd\u65b0\u542f\u52a8\uff1b\uff08\u5728\u505aflush table … for export\u65f6\u4e0d\u80fd\u65ad\u5f00\u4f1a\u8bdd\uff0c\u907f\u514d\u9501\u91ca\u653e\u9020\u6210.cfg\u6587\u4ef6\u5220\u9664\uff09
            \nUNLOCK TABLES\u5728error log\u4e2d\u8bb0\u5f55\u4e3a\uff1a
            \n[Note] InnoDB: Deleting the meta-data file ‘.\/test\/tts.cfg’
            \n[Note] InnoDB: Resuming purge<\/div>\n
            <\/div>\n
            <\/div>\n
            \u2463 import tablespace<\/strong><\/div>\n
            \u5c06\u4ece\u5b9e\u4f8b1\u4e0a\u4f20\u8f93\u8fc7\u6765\u7684.ibd\u6587\u4ef6\u548c\u5bfc\u5165\u5230tts\u8868\u4e2d\uff0c\u6b64\u65f6.cfg\u6587\u4ef6\u4e5f\u5fc5\u987b\u5b58\u5728\uff1b
            \nALTER TABLE … IMPORT TABLESPACE\u5728error log\u4e2d\u8bb0\u5f55\u4e3a\uff1a
            \n[Note] InnoDB: Importing tablespace for table ‘test\/tts’ that was exported from host ‘$host1’
            \n[Note] InnoDB: Phase I – Update all pages
            \n[Note] InnoDB: Sync to disk
            \n[Note] InnoDB: Sync to disk – done!
            \n[Note] InnoDB: Phase III – Flush changes to disk
            \n[Note] InnoDB: Phase IV – Flush complete
            \n[Note] InnoDB: “test”.”tts” autoinc value set to 786406
            \n\u8fc7\u7a0b\u4e3a\u8bfb\u53d6cfg\u6587\u4ef6\uff1a\u8868\u5b9a\u4e49\uff0c\u7d22\u5f15\u5b9a\u4e49\uff0c\u7d22\u5f15RootPage\uff0c\u5217\u5b9a\u4e49\u7b49\u7b49\u3002<\/div>\n
            \u518d\u8bfb\u53d6import\u6587\u4ef6\u6bcf\u4e00\u4e2apage\uff0c\u68c0\u67e5\u5b8c\u6574\u6027\uff0c\u6839\u636e\u8bfb\u53d6\u5230\u7684cfg\u6587\u4ef6\uff0c\u91cd\u65b0\u8bbe\u7f6e\u5f53\u524d\u8868\u7684\u5143\u6570\u636e\u4fe1\u606f\u3002<\/div>\n
            <\/div>\n
            <\/div>\n
            <\/div>\n
            \u3007 MySQL TTS\u7684\u9650\u5236\uff1a<\/div>\n
            \u4e24\u4e2a\u5b9e\u4f8b\u90fd\u5fc5\u987b\u5f00\u542f\u72ec\u7acb\u8868\u7a7a\u95f4\uff08innodb_file_per_table=1\uff09
            \n\u8fc1\u79fb\u7684\u4e24\u4e2a\u5b9e\u4f8b\u7684innodb_page_size\u5fc5\u987b\u4e00\u81f4\uff0c\u5e76\u4e14mysql server\u7248\u672c\u5efa\u8bae\u4e00\u81f4
            \n\u4e0d\u652f\u6301\u5728\u5206\u533a\u8868\u4e0a\u6267\u884cdiscard tablespace
            \n\u4e0d\u652f\u6301\u5728\u6709\u4e3b\u5916\u952e\u5173\u7cfb\u7684\u8868\u4e0a\u6267\u884cdiscard tablespace\uff0c\u9664\u975e\u8bbe\u7f6eforegin_key_checks=0<\/div>\n
            <\/div>\n
            <\/div>\n","protected":false},"excerpt":{"rendered":"

            \u5c06\u5927\u7684InnoDB\u8868\u4ece\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u79fb\u52a8\u6216\u8005\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u6709\u5f88\u591a\u7684\u65b9\u6cd5\uff0c\u57285.6\u4e4b\u524d\u5e38\u7528\u7684\u662f\u901a\u8fc7\u7269\u7406\u6216\u8005\u903b\u8f91\u5907 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[27],"class_list":["post-1351","post","type-post","status-publish","format-standard","hentry","category-mysql","tag-mysql"],"_links":{"self":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts\/1351","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1351"}],"version-history":[{"count":8,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts\/1351\/revisions"}],"predecessor-version":[{"id":1361,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts\/1351\/revisions\/1361"}],"wp:attachment":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1351"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1351"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}