{"id":15546,"date":"2024-06-13T16:02:39","date_gmt":"2024-06-13T08:02:39","guid":{"rendered":"https:\/\/92it.top\/?p=15546"},"modified":"2024-06-13T16:02:39","modified_gmt":"2024-06-13T08:02:39","slug":"mysql-%e4%ba%8b%e5%8a%a1%e6%b2%a1%e6%8f%90%e4%ba%a4%e5%89%8d-%e5%ad%98%e6%94%be%e5%9c%a8%e5%93%aa%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=15546","title":{"rendered":"mysql \u4e8b\u52a1\u6ca1\u63d0\u4ea4\u524d \u5b58\u653e\u5728\u54ea\uff1f"},"content":{"rendered":"\n

\u8f6c\u8f7d\uff1ahttps:\/\/blog.51cto.com\/u_16175432\/8222297<\/a><\/p>\n\n\n\n

MySQL\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cdWeb\u5e94\u7528\u7a0b\u5e8f\u548c\u6570\u636e\u9a71\u52a8\u7684\u5e94\u7528\u4e2d\u3002\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u5e38\u5e38\u9700\u8981\u5229\u7528MySQL\u7684\u4e8b\u52a1\u6765\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u4e8b\u52a1\u662f\u4e00\u7cfb\u5217\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u96c6\u5408\uff0c\u8981\u4e48\u5168\u90e8\u6210\u529f\u63d0\u4ea4\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\u56de\u6eda\u3002\u7136\u800c\uff0c\u5f53\u6211\u4eec\u6267\u884c\u4e00\u4e2a\u4e8b\u52a1\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e2a\u95ee\u9898\uff1a\u4e8b\u52a1\u5728\u6ca1\u6709\u63d0\u4ea4\u4e4b\u524d\uff0c\u5b58\u653e\u5728\u54ea\u91cc\uff1f<\/p>\n\n\n\n

\u5728MySQL\u4e2d\uff0c\u4e8b\u52a1\u662f\u5728\u5185\u5b58\u4e2d\u8fdb\u884c\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u6240\u6709\u7684\u6570\u636e\u64cd\u4f5c\u90fd\u662f\u5728\u5185\u5b58\u4e2d\u8fdb\u884c\u7684\uff0c\u5e76\u6ca1\u6709\u771f\u6b63\u5199\u5165\u5230\u78c1\u76d8\u4e0a\u3002\u8fd9\u662f\u4e3a\u4e86\u63d0\u9ad8\u4e8b\u52a1\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u5f53\u6211\u4eec\u6267\u884c\u4e00\u6761SQL\u8bed\u53e5\u65f6\uff0cMySQL\u4f1a\u5c06\u5176\u4fdd\u5b58\u5728\u5185\u5b58\u7684\u4e8b\u52a1\u7f13\u51b2\u533a\u4e2d\uff0c\u76f4\u5230\u4e8b\u52a1\u63d0\u4ea4\u540e\u624d\u4f1a\u5c06\u6570\u636e\u5199\u5165\u78c1\u76d8\u3002<\/p>\n\n\n\n

\u4e0b\u9762\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u793a\u4f8b\u6765\u8bf4\u660e\u4e8b\u52a1\u662f\u5982\u4f55\u5b58\u653e\u7684\u3002<\/p>\n\n\n\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u6d4b\u8bd5\u8868\uff0c\u5e76\u63d2\u5165\u4e00\u4e9b\u6570\u636e\uff1a<\/p>\n\n\n\n

CREATE TABLE test (\n  id INT PRIMARY KEY,\n  data VARCHAR(50)\n);\n\nINSERT INTO test (id, data) VALUES (1, 'data1');\nINSERT INTO test (id, data) VALUES (2, 'data2');\n<\/pre>\n\n\n\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5f00\u542f\u4e00\u4e2a\u4e8b\u52a1\uff0c\u5e76\u8fdb\u884c\u4e00\u4e9b\u6570\u636e\u64cd\u4f5c\uff1a<\/p>\n\n\n\n
START TRANSACTION;\nINSERT INTO test (id, data) VALUES (3, 'data3');\nUPDATE test SET data = 'data4' WHERE id = 1;\n<\/pre>\n\n\n\n
\u5728\u6b64\u65f6\uff0c\u4e8b\u52a1\u4e2d\u7684\u6570\u636e\u64cd\u4f5c\u90fd\u53ea\u5b58\u5728\u4e8e\u5185\u5b58\u4e2d\u7684\u4e8b\u52a1\u7f13\u51b2\u533a\u4e2d\uff0c\u5e76\u6ca1\u6709\u5199\u5165\u5230\u78c1\u76d8\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8bed\u53e5\u67e5\u770b\u5f53\u524d\u4e8b\u52a1\u7684\u72b6\u6001\uff1a<\/p>\n\n\n\n
SHOW ENGINE INNODB STATUS;<\/pre>\n\n\n\n
\u5728\u8fd4\u56de\u7684\u7ed3\u679c\u4e2d\uff0c\u53ef\u4ee5\u627e\u5230\u4ee5\u4e0b\u4fe1\u606f\uff1a<\/p>\n\n\n\n
------------\nTRANSACTIONS\n------------\nTrx id counter 1674\nPurge done for trx's n:o < 1671 undo n:o < 0 state: running but idle\nHistory list length 7\nLIST OF TRANSACTIONS FOR EACH SESSION:\n---TRANSACTION 0, not started\nMySQL thread id 1, OS thread handle 0x700001dbd000, query id 2 localhost root init\nshow engine innodb status\n---TRANSACTION 1672, ACTIVE 11 sec\n2 lock struct(s), heap size 376, 1 row lock(s)\nMySQL thread id 2, OS thread handle 0x700001dc0000, query id 3 localhost root cleaning up\nTrx read view will not see trx with id >= 1673, sees < 1673\n<\/pre>\n\n\n\n
\u4ece\u4e0a\u9762\u7684\u7ed3\u679c\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5f53\u524d\u4e8b\u52a1\u7684\u72b6\u6001\u4e3aACTIVE\uff0c\u8868\u793a\u4e8b\u52a1\u6b63\u5728\u6267\u884c\u4e2d\u3002<\/p>\n\n\n\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u63d0\u4ea4\u4e8b\u52a1\uff1a<\/p>\n\n\n\n
COMMIT;<\/pre>\n\n\n\n
\u5728\u63d0\u4ea4\u4e8b\u52a1\u540e\uff0cMySQL\u4f1a\u5c06\u4e8b\u52a1\u4e2d\u7684\u6570\u636e\u5199\u5165\u5230\u78c1\u76d8\uff0c\u5e76\u91ca\u653e\u4e8b\u52a1\u7f13\u51b2\u533a\u7684\u5185\u5b58\u3002<\/p>\n\n\n\n
\u603b\u7ed3\u4e00\u4e0b\uff0cMySQL\u7684\u4e8b\u52a1\u5728\u6ca1\u6709\u63d0\u4ea4\u4e4b\u524d\uff0c\u5b58\u653e\u5728\u5185\u5b58\u4e2d\u7684\u4e8b\u52a1\u7f13\u51b2\u533a\u4e2d\u3002\u53ea\u6709\u5728\u4e8b\u52a1\u63d0\u4ea4\u65f6\uff0c\u624d\u4f1a\u5c06\u6570\u636e\u5199\u5165\u5230\u78c1\u76d8\u3002\u8fd9\u79cd\u673a\u5236\u53ef\u4ee5\u63d0\u9ad8\u4e8b\u52a1\u7684\u6027\u80fd\u548c\u6548\u7387\uff0c\u4f46\u4e5f\u5b58\u5728\u4e00\u5b9a\u7684\u98ce\u9669\u3002\u5982\u679c\u5728\u4e8b\u52a1\u63d0\u4ea4\u4e4b\u524d\u53d1\u751f\u7cfb\u7edf\u5d29\u6e83\u6216\u65ad\u7535\u7b49\u5f02\u5e38\u60c5\u51b5\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u6216\u4e0d\u4e00\u81f4\u3002<\/p>\n\n\n\n
\u6700\u540e\uff0c\u6211\u4eec\u7528\u997c\u72b6\u56fe\u6765\u8868\u793aMySQL\u4e8b\u52a1\u5b58\u653e\u7684\u8fc7\u7a0b\uff1a<\/p>\n\n\n
\n
\"\"<\/figure><\/div>\n\n\n

\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u4e8b\u52a1\u7684\u5b58\u653e\u8fc7\u7a0b\u4e2d\uff0c60%\u7684\u65f6\u95f4\u5728\u5185\u5b58\u4e8b\u52a1\u7f13\u51b2\u533a\u4e2d\uff0c40%\u7684\u65f6\u95f4\u5728\u78c1\u76d8\u4e2d\u3002<\/p>\n\n\n\n
\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u4e86\u89e3\u4e86MySQL\u4e8b\u52a1\u5728\u6ca1\u6709\u63d0\u4ea4\u4e4b\u524d\u662f\u5b58\u653e\u5728\u5185\u5b58\u4e2d\u7684\u4e8b\u52a1\u7f13\u51b2\u533a\u4e2d\u3002\u8fd9\u79cd\u673a\u5236\u65e2\u63d0\u9ad8\u4e86\u4e8b\u52a1\u7684\u6027\u80fd\u548c\u6548\u7387\uff0c\u53c8\u5b58\u5728\u4e00\u5b9a\u7684\u98ce\u9669\u3002\u56e0\u6b64\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u6765\u9009\u62e9\u5408\u9002\u7684\u4e8b\u52a1\u63d0\u4ea4\u65f6\u673a\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n\n\n\n
\u8865\u5145<\/strong><\/p>\n\n\n\n
\n\n\n\n
\u56e0\u4e3aMySQL\u7684\u4e8b\u52a1\u7ba1\u7406\u4e3b\u8981\u662f\u57fa\u4e8eInnoDB\u5b58\u50a8\u5f15\u64ce\u7684\uff0c\u5e76\u4e14\u4e8b\u52a1\u7684\u72b6\u6001\uff08\u4f8b\u5982\uff0c\u662f\u5426\u5df2\u63d0\u4ea4\u6216\u56de\u6eda\uff09\u901a\u5e38\u662f\u5185\u90e8\u7684\u3001\u4e0d\u76f4\u63a5\u66b4\u9732\u7ed9\u7528\u6237\u7684,\u4f46\u662f\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u65b9\u6cd5\u95f4\u63a5\u5730\u68c0\u67e5\u6216\u8bca\u65ad\u4e0e\u4e8b\u52a1\u76f8\u5173\u7684\u95ee\u9898<\/p>\n\n\n\n
\u67e5\u770b\u6b63\u5728\u8fd0\u884c\u7684\u4e8b\u52a1<\/strong><\/p>\n\n\n\n
\u4f7f\u7528SHOW ENGINE INNODB STATUS;<\/code>\u547d\u4ee4\u53ef\u4ee5\u67e5\u770bInnoDB\u5b58\u50a8\u5f15\u64ce\u7684\u72b6\u6001\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u5173\u4e8e\u5f53\u524d\u6b63\u5728\u8fd0\u884c\u7684\u4e8b\u52a1\u7684\u4fe1\u606f\u3002\u5728\u8f93\u51fa\u4e2d\uff0c\u4f60\u53ef\u4ee5\u67e5\u627eTRANSACTIONS<\/code>\u90e8\u5206\uff0c\u5b83\u5217\u51fa\u4e86\u5f53\u524d\u6d3b\u8dc3\u7684\u4e8b\u52a1\u3002<\/p>\n\n\n
\n
\"\"<\/figure><\/div>\n\n\n
\u6211\u4eec\u628a\u67e5\u8be2\u7684status\u590d\u5236\u51fa\u6765\uff0c\u770bTRANSACTIONS<\/code>\u90e8\u5206,\u4ed6\u8868\u793a\u5f53\u524d\u6d3b\u52a8\u7684\u4e8b\u52a1\uff0c\u5305\u62ec\u7b49\u5f85\u548c\u8fd0\u884c\u4e2d\u7684\u4e8b\u52a1\u3002<\/p>\n\n\n\n
TRANSACTIONS\n------------\nTrx id counter 1171181\nPurge done for trx's n:o < 1170292 undo n:o < 0 state: running but idle\nHistory list length 0\nLIST OF TRANSACTIONS FOR EACH SESSION:\n---TRANSACTION 283462706467760, not started\n0 lock struct(s), heap size 1136, 0 row lock(s)\n---TRANSACTION 283462706466936, not started\n0 lock struct(s), heap size 1136, 0 row lock(s)\n---TRANSACTION 283462706466112, not started\n0 lock struct(s), heap size 1136, 0 row lock(s)\n---TRANSACTION 283462706465288, not started\n0 lock struct(s), heap size 1136, 0 row lock(s)\n---TRANSACTION 283462706464464, not started\n0 lock struct(s), heap size 1136, 0 row lock(s)\n--------\n<\/pre>\n\n\n\n
\u5305\u542b\u4fe1\u606f<\/strong><\/p>\n\n\n\n
    \n
  • Trx id\uff1a\u4e8b\u52a1\u7684\u552f\u4e00\u6807\u8bc6\u7b26\uff0c\u7528\u4e8e\u8ddf\u8e2a\u548c\u8bc6\u522b\u7279\u5b9a\u7684\u4e8b\u52a1\u3002<\/li>\n\n\n\n
  • State\uff1a\u4e8b\u52a1\u7684\u5f53\u524d\u72b6\u6001\uff0c\u5982RUNNING\u3001SLEEPING\u3001LOCK WAIT\u7b49\u3002RUNNING\u8868\u793a\u4e8b\u52a1\u6b63\u5728\u6267\u884c\uff0cSLEEPING\u8868\u793a\u4e8b\u52a1\u5728\u7b49\u5f85\u67d0\u4e9b\u6761\u4ef6\u6210\u7acb\uff08\u5982\u7b49\u5f85\u9501\u91ca\u653e\uff09\uff0c\u800cLOCK WAIT\u8868\u793a\u4e8b\u52a1\u6b63\u5728\u7b49\u5f85\u83b7\u53d6\u9501\u3002<\/li>\n\n\n\n
  • MySQL thread id\uff1a\u4e0e\u4e8b\u52a1\u5173\u8054\u7684MySQL\u7ebf\u7a0bID\uff0c\u8fd9\u6709\u52a9\u4e8e\u5c06\u4e8b\u52a1\u4e0e\u7279\u5b9a\u7684\u5ba2\u6237\u7aef\u8fde\u63a5\u6216\u67e5\u8be2\u5173\u8054\u8d77\u6765\u3002<\/li>\n\n\n\n
  • OS thread id\uff1a\u64cd\u4f5c\u7cfb\u7edf\u7ea7\u522b\u7684\u7ebf\u7a0bID\uff0c\u7528\u4e8e\u5728\u66f4\u5e95\u5c42\u8fdb\u884c\u8c03\u8bd5\u548c\u8bca\u65ad\u3002<\/li>\n\n\n\n
  • Locked tables\uff1a\u4e8b\u52a1\u5f53\u524d\u9501\u5b9a\u7684\u8868\u5217\u8868\u3002\u5982\u679c\u4e8b\u52a1\u9501\u5b9a\u4e86\u591a\u4e2a\u8868\uff0c\u8fd9\u91cc\u4f1a\u5217\u51fa\u6240\u6709\u88ab\u9501\u5b9a\u7684\u8868\u3002<\/li>\n\n\n\n
  • Type\uff1a\u4e8b\u52a1\u7684\u7c7b\u578b\uff0c\u4f8b\u5982\u53ea\u8bfb\u4e8b\u52a1\u6216\u8bfb\u5199\u4e8b\u52a1\u3002<\/li>\n\n\n\n
  • Started\uff1a\u4e8b\u52a1\u5f00\u59cb\u7684\u65f6\u95f4\u6233\u3002<\/li>\n<\/ul>\n\n\n\n
    \u4f8b\u5b50\u89e3\u8bfb<\/strong><\/p>\n\n\n\n
      \n
    • Trx id counter 1171181<\/code> \u8868\u793a\u5f53\u524d\u4e8b\u52a1ID\u8ba1\u6570\u5668\u7684\u503c\u4e3a1171181\u3002\u6bcf\u6b21InnoDB\u5f00\u59cb\u4e00\u4e2a\u65b0\u4e8b\u52a1\u65f6\uff0c\u5b83\u90fd\u4f1a\u4ece\u8fd9\u4e2a\u8ba1\u6570\u5668\u4e2d\u83b7\u53d6\u4e00\u4e2a\u65b0\u7684\u3001\u552f\u4e00\u7684\u4e8b\u52a1ID\u3002<\/li>\n\n\n\n
    • Purge done for trx's n:o < 1171181undo n:o < 0 state: running but idle<\/code> \u610f\u5473\u7740InnoDB\u7684\u6e05\u9664\u64cd\u4f5c\u5df2\u7ecf\u5b8c\u6210\uff0c\u5df2\u7ecf\u6e05\u9664\u4e86\u6240\u6709\u4e8b\u52a1ID\u5c0f\u4e8e1171181\u7684\u4e8b\u52a1\u7684\u64a4\u9500\u65e5\u5fd7\uff08undo logs\uff09\u3002\u64a4\u9500\u65e5\u5fd7\u7528\u4e8e\u652f\u6301\u4e8b\u52a1\u7684\u56de\u6eda\u548cMVCC\uff08\u591a\u7248\u672c\u5e76\u53d1\u63a7\u5236\uff09\u3002running but idle<\/code>\u72b6\u6001\u8868\u660e\u6e05\u9664\u64cd\u4f5c\u5f53\u524d\u6b63\u5728\u8fd0\u884c\uff0c\u4f46\u5f53\u524d\u6ca1\u6709\u6267\u884c\u4efb\u4f55\u4efb\u52a1\uff08\u5373\u5b83\u662f\u7a7a\u95f2\u7684\uff09\u3002<\/li>\n\n\n\n
    • History list length 0<\/code> \u8868\u793a\u5386\u53f2\u5217\u8868\u7684\u957f\u5ea6\u4e3a0\u3002\u5386\u53f2\u5217\u8868\u7528\u4e8e\u8ddf\u8e2a\u5df2\u7ecf\u88ab\u6e05\u9664\u4f46\u5c1a\u672a\u4ece\u7cfb\u7edf\u8868\u7a7a\u95f4\u7269\u7406\u5220\u9664\u7684\u64a4\u9500\u65e5\u5fd7\u8bb0\u5f55\u3002\u957f\u5ea6\u4e3a0\u8868\u793a\u5f53\u524d\u6ca1\u6709\u8fd9\u6837\u7684\u8bb0\u5f55\u3002<\/li>\n\n\n\n
    • LIST OF TRANSACTIONS FOR EACH SESSION:<\/code> \u4e0b\u9762\u7684\u5185\u5bb9\u5217\u51fa\u4e86\u6bcf\u4e2a\u4f1a\u8bdd\u7684\u4e8b\u52a1\u4fe1\u606f\u3002\u5728\u60a8\u63d0\u4f9b\u7684\u8f93\u51fa\u4e2d\uff0c\u53ea\u6709\u4e00\u4e2a\u4e8b\u52a1\uff1a<\/li>\n<\/ul>\n\n\n\n
      ---TRANSACTION 283462706464464, not started\n0 lock struct(s), heap size 1136, 0 row lock(s)\n<\/pre>\n\n\n\n
      \u8fd9\u4e2a\u4e8b\u52a1ID\u4e3a283462706464464<\/code>\u7684\u4e8b\u52a1\u5c1a\u672a\u5f00\u59cb\uff08not started<\/code>\uff09\u3002\u5b83\u5f53\u524d\u6ca1\u6709\u9501\u5b9a\u4efb\u4f55\u7ed3\u6784\uff080 lock struct(s)<\/code>\uff09\uff0c\u6ca1\u6709\u884c\u7ea7\u9501\uff080 row lock(s)<\/code>\uff09\uff0c\u5e76\u4e14\u5b83\u7684\u5806\u5927\u5c0f\u4e3a1136\u5b57\u8282\u3002<\/p>\n\n\n\n
      \u5982\u679c\u672a\u56de\u6eda\u7684\u4e8b\u52a1\uff0cTRANSACTIONS<\/code>\u90e8\u5206\u4e2d\u72b6\u6001\u4e3aRUNNING<\/code>\u6216LOCK WAIT<\/code>\u7684\u4e8b\u52a1\uff0c\u5e76\u4e14\u8fd9\u4e9b\u4e8b\u52a1\u53ef\u80fd\u5df2\u7ecf\u6301\u7eed\u4e86\u4e00\u6bb5\u65f6\u95f4<\/p>\n\n\n\n
      \u67e5\u770b\u6570\u636e\u5e93\u8fdb\u7a0b<\/strong><\/p>\n\n\n\n
      SHOW PROCESSLIST;<\/code> \u662f\u4e00\u4e2a\u5728 MySQL \u548c MariaDB \u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e2d\u5e38\u7528\u7684\u547d\u4ee4\u3002\u8fd9\u4e2a\u547d\u4ee4\u7528\u4e8e\u663e\u793a\u5f53\u524d\u5728\u670d\u52a1\u5668\u4e0a\u8fd0\u884c\u7684\u6240\u6709\u8fdb\u7a0b\u5217\u8868\u3002\u8fd9\u4e9b\u8fdb\u7a0b\u53ef\u80fd\u5305\u62ec\u6b63\u5728\u6267\u884c\u7684\u67e5\u8be2\u3001\u6b63\u5728\u7b49\u5f85\u7684\u67e5\u8be2\u3001\u4f11\u7720\u72b6\u6001\u7684\u7ebf\u7a0b\u7b49\u3002<\/p>\n\n\n\n
      SHOW PROCESSLIST;<\/pre>\n\n\n
      \n
      \"\"<\/figure><\/div>\n\n\n
      \u5b57\u6bb5\u89e3\u91ca<\/p>\n\n\n\n
        \n
      • Id<\/code>: \u8fdb\u7a0b\u7684\u552f\u4e00\u6807\u8bc6\u7b26\u3002<\/li>\n\n\n\n
      • User<\/code>: \u6267\u884c\u8be5\u8fdb\u7a0b\u7684 MySQL \u7528\u6237\u3002<\/li>\n\n\n\n
      • Host<\/code>: \u7528\u6237\u7684\u4e3b\u673a\u540d\u6216 IP \u5730\u5740\u3002<\/li>\n\n\n\n
      • db<\/code>: \u5f53\u524d\u6570\u636e\u5e93\u7684\u540d\u79f0\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09\u3002<\/li>\n\n\n\n
      • Command<\/code>: \u8fdb\u7a0b\u6b63\u5728\u6267\u884c\u7684\u547d\u4ee4\u7c7b\u578b\uff08\u4f8b\u5982\uff0cSleep<\/code>\u3001Query<\/code>\u3001Binlog Dump<\/code> \u7b49\uff09\u3002<\/li>\n\n\n\n
      • Time<\/code>: \u8fdb\u7a0b\u5df2\u7ecf\u8fd0\u884c\u7684\u65f6\u95f4\uff08\u4ee5\u79d2\u4e3a\u5355\u4f4d\uff09\u3002<\/li>\n\n\n\n
      • Info<\/code>: \u8fdb\u7a0b\u6b63\u5728\u6267\u884c\u7684 SQL \u67e5\u8be2\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09\u3002<\/li>\n\n\n\n
      • State<\/code>: \u8fdb\u7a0b\u7684\u5f53\u524d\u72b6\u6001\uff08\u4f8b\u5982\uff0crunning<\/code>\u3001Waiting for table metadata lock<\/code> \u7b49\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
            \u5982\u679c\u67e5\u8be2\u6b63\u5728\u6267\u884c\uff0cState\u7684\u503c\u53ef\u80fd\u662frunning\uff1b\n    \u5982\u679c\u67e5\u8be2\u6b63\u5728\u7b49\u5f85\u8d44\u6e90\u6216\u9501\uff0cState\u7684\u503c\u53ef\u80fd\u662fWaiting for table metadata lock\uff1b\n    \u5982\u679c\u8fde\u63a5\u5904\u4e8e\u7a7a\u95f2\u72b6\u6001\uff0cState\u7684\u503c\u53ef\u80fd\u662fSleep\u3002<\/pre>\n","protected":false},"excerpt":{"rendered":"
        \u8f6c\u8f7d\uff1ahttps:\/\/blog.51cto.com\/u_16175432\/8222297 MySQL\u662f\u4e00\u79cd\u5f00\u6e90 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/15546"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=15546"}],"version-history":[{"count":3,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/15546\/revisions"}],"predecessor-version":[{"id":15552,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/15546\/revisions\/15552"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=15546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15546"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}