{"id":1077,"date":"2023-03-12T10:59:49","date_gmt":"2023-03-12T02:59:49","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=1077"},"modified":"2023-04-29T11:42:46","modified_gmt":"2023-04-29T03:42:46","slug":"mysql-slow-query","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/03\/12\/mysql-slow-query\/","title":{"rendered":"MySQL\u6162\u67e5\u8be2"},"content":{"rendered":"

\u6982\u5ff5<\/h2>\n

MySQL\u7684\u6162\u67e5\u8be2\uff0c\u5168\u540d\u662f\u6162\u67e5\u8be2\u65e5\u5fd7<\/strong>\uff0c\u662fMySQL\u63d0\u4f9b\u7684\u4e00\u79cd\u65e5\u5fd7\u8bb0\u5f55\uff0c\u7528\u6765\u8bb0\u5f55\u5728MySQL\u4e2d\u54cd\u5e94\u65f6\u95f4\u8d85\u8fc7\u9600\u503c\u7684\u8bed\u53e5\u3002<\/p>\n

\u5177\u4f53\u73af\u5883\u4e2d\uff0c\u8fd0\u884c\u65f6\u95f4\u8d85\u8fc7long_query_time<\/code>\u503c\u7684SQL\u8bed\u53e5\uff0c\u5219\u4f1a\u88ab\u8bb0\u5f55\u5230\u6162\u67e5\u8be2\u65e5\u5fd7\u4e2d\u3002<\/p>\n

long_query_time<\/code>\u7684\u9ed8\u8ba4\u503c\u4e3a10\uff0c\u610f\u601d\u662f\u8bb0\u5f55\u8fd0\u884c10\u79d2\u4ee5\u4e0a\u7684\u8bed\u53e5\u3002<\/p>\n

<\/p>\n

\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cMySQL\u6570\u636e\u5e93\u5e76\u4e0d\u542f\u52a8\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u9700\u8981\u624b\u52a8\u6765\u8bbe\u7f6e\u8fd9\u4e2a\u53c2\u6570\u3002<\/p>\n

\u5f53\u7136\uff0c\u5982\u679c\u4e0d\u662f\u8c03\u4f18\u9700\u8981\u7684\u8bdd\uff0c\u4e00\u822c\u4e0d\u5efa\u8bae\u542f\u52a8\u8be5\u53c2\u6570<\/strong>\uff0c\u56e0\u4e3a\u5f00\u542f\u6162\u67e5\u8be2\u65e5\u5fd7\u4f1a\u6216\u591a\u6216\u5c11\u5e26\u6765\u4e00\u5b9a\u7684\u6027\u80fd\u5f71\u54cd\u3002<\/p>\n

\u6162\u67e5\u8be2\u65e5\u5fd7\u652f\u6301\u5c06\u65e5\u5fd7\u8bb0\u5f55\u5199\u5165\u6587\u4ef6\u548c\u6570\u636e\u5e93\u8868\u3002<\/p>\n

\u53c2\u6570<\/h2>\n

MySQL \u6162\u67e5\u8be2\u7684\u76f8\u5173\u53c2\u6570\u89e3\u91ca\uff1a<\/p>\n

    \n
  • slow_query_log<\/code>\uff1a\u662f\u5426\u5f00\u542f\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c1\u8868\u793a\u5f00\u542f\uff0c0\u8868\u793a\u5173\u95ed<\/li>\n
  • log-slow-queries<\/code>\uff1a\u65e7\u7248\uff085.6\u4ee5\u4e0b\u7248\u672c\uff09MySQL\u6570\u636e\u5e93\u6162\u67e5\u8be2\u65e5\u5fd7\u5b58\u50a8\u8def\u5f84\u3002\u53ef\u4ee5\u4e0d\u8bbe\u7f6e\u8be5\u53c2\u6570\uff0c\u7cfb\u7edf\u5219\u4f1a\u9ed8\u8ba4\u7ed9\u4e00\u4e2a\u7f3a\u7701\u7684\u6587\u4ef6host_name-slow.log<\/code><\/li>\n
  • slow-query-log-file<\/code>\uff1a\u65b0\u7248\uff085.6\u53ca\u4ee5\u4e0a\u7248\u672c\uff09MySQL\u6570\u636e\u5e93\u6162\u67e5\u8be2\u65e5\u5fd7\u5b58\u50a8\u8def\u5f84\u3002\u53ef\u4ee5\u4e0d\u8bbe\u7f6e\u8be5\u53c2\u6570\uff0c\u7cfb\u7edf\u5219\u4f1a\u9ed8\u8ba4\u7ed9\u4e00\u4e2a\u7f3a\u7701\u7684\u6587\u4ef6host_name-slow.log<\/code><\/li>\n
  • long_query_time<\/code>\uff1a\u6162\u67e5\u8be2\u9608\u503c\uff0c\u5f53\u67e5\u8be2\u65f6\u95f4\u591a\u4e8e\u8bbe\u5b9a\u7684\u9608\u503c\u65f6\uff0c\u8bb0\u5f55\u65e5\u5fd7<\/li>\n
  • log_queries_not_using_indexes<\/code>\uff1a\u672a\u4f7f\u7528\u7d22\u5f15\u7684\u67e5\u8be2\u4e5f\u88ab\u8bb0\u5f55\u5230\u6162\u67e5\u8be2\u65e5\u5fd7\u4e2d\uff08\u53ef\u9009\u9879\uff09<\/li>\n
  • log_output<\/code>\uff1a\u65e5\u5fd7\u5b58\u50a8\u65b9\u5f0f\u3002log_output='FILE'<\/code>\u8868\u793a\u5c06\u65e5\u5fd7\u5b58\u5165\u6587\u4ef6\uff0c\u9ed8\u8ba4\u503c\u662f'FILE'<\/code>\u3002log_output='TABLE'<\/code>\u8868\u793a\u5c06\u65e5\u5fd7\u5b58\u5165\u6570\u636e\u5e93<\/li>\n<\/ul>\n

    \u914d\u7f6e<\/h2>\n

    slow_query_log<\/h3>\n

    \u9ed8\u8ba4\u60c5\u51b5\u4e0bslow_query_log<\/code>\u7684\u503c\u4e3aOFF<\/code>\uff0c\u8868\u793a\u6162\u67e5\u8be2\u65e5\u5fd7\u662f\u7981\u7528\u7684\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eslow_query_log<\/code>\u7684\u503c\u6765\u5f00\u542f\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

    mysql> show variables like '%slow_query_log%';\n +---------------------+-----------------------------------------------+\n | Variable_name       | Value                                         |\n +---------------------+-----------------------------------------------+\n | slow_query_log      | OFF                                           |\n | slow_query_log_file | \/home\/yezhou\/mysql\/kec-web-slow.log           |\n +---------------------+-----------------------------------------------+\n 2 rows in set (0.00 sec)\n\nmysql> set global slow_query_log=1;\n Query OK, 0 rows affected (0.09 sec)<\/code><\/pre>\n
    \u4f7f\u7528set global slow_query_log=1<\/code>\u5f00\u542f\u6162\u67e5\u8be2\u65e5\u5fd7\u53ea\u5bf9\u5f53\u524d\u6570\u636e\u5e93\u751f\u6548\uff0cMySQL\u91cd\u542f\u540e\u5219\u4f1a\u5931\u6548<\/p>\n
    \u5982\u679c\u8981\u6c38\u4e45\u751f\u6548\uff0c\u5c31\u5fc5\u987b\u4fee\u6539\u914d\u7f6e\u6587\u4ef6my.cnf<\/code>\uff08\u5176\u5b83\u7cfb\u7edf\u53d8\u91cf\u4e5f\u662f\u5982\u6b64\uff09<\/p>\n
    my.cnf<\/code>\u8981\u589e\u52a0\u6216\u4fee\u6539\u53c2\u6570slow_query_log<\/code>\u548cslow_query_log_file<\/code>\uff0c\u5982\u4e0b\u6240\u793a<\/p>\n
    slow_query_log = 1\nslow_query_log_file = \/tmp\/mysql_slow.log<\/code><\/pre>\n
    \u7136\u540e\u91cd\u542fMySQL\u670d\u52a1\u5668<\/p>\n
    slow_query_log_file<\/h3>\n
    \u8fd9\u4e2a\u53c2\u6570\u7528\u4e8e\u6307\u5b9a\u6162\u67e5\u8be2\u65e5\u5fd7\u7684\u5b58\u653e\u8def\u5f84\uff0c\u7f3a\u7701\u60c5\u51b5\u662fhost_name-slow.log<\/code>\u6587\u4ef6<\/p>\n
    mysql> show variables like 'slow_query_log_file';\n +---------------------+-----------------------------------------------+\n | Variable_name       | Value                                         |\n +---------------------+-----------------------------------------------+\n | slow_query_log_file | \/home\/yezhou\/mysql\/kec-web-slow.log           |\n +---------------------+-----------------------------------------------+\n 1 row in set (0.00 sec)<\/code><\/pre>\n
    long_query_time<\/h3>\n
    \u5f00\u542f\u4e86\u6162\u67e5\u8be2\u65e5\u5fd7\u540e\uff0c\u4ec0\u4e48\u6837\u7684SQL\u624d\u4f1a\u8bb0\u5f55\u5230\u6162\u67e5\u8be2\u65e5\u5fd7\u91cc\u9762\u5462\uff1f<\/p>\n
    \u8fd9\u4e2a\u662f\u7531\u53c2\u6570long_query_time<\/code>\u63a7\u5236\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0blong_query_time<\/code>\u7684\u503c\u4e3a10\u79d2\uff0c\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u4fee\u6539\uff0c\u4e5f\u53ef\u4ee5\u5728my.cnf<\/code>\u53c2\u6570\u91cc\u9762\u4fee\u6539<\/p>\n
    \u5173\u4e8e\u8fd0\u884c\u65f6\u95f4\u6b63\u597d\u7b49\u4e8e<\/strong>long_query_time<\/code>\u7684\u60c5\u51b5\uff0c\u5e76\u4e0d\u4f1a\u88ab\u8bb0\u5f55\u4e0b\u6765<\/p>\n
    \u4e5f\u5c31\u662f\u8bf4\uff0c\u5728MySQL\u6e90\u7801\u91cc\u662f\u5224\u65ad\u5927\u4e8e<\/strong>long_query_time<\/code>\uff0c\u800c\u975e\u5927\u4e8e\u7b49\u4e8e<\/strong><\/p>\n
    \u4eceMySQL 5.1\u5f00\u59cb\uff0clong_query_time<\/code>\u5f00\u59cb\u4ee5\u5fae\u79d2\u8bb0\u5f55SQL\u8bed\u53e5\u8fd0\u884c\u65f6\u95f4\uff0c\u4e4b\u524d\u4ec5\u7528\u79d2\u4e3a\u5355\u4f4d\u8bb0\u5f55<\/p>\n
    \u5982\u679c\u8bb0\u5f55\u5230\u8868\u91cc\u9762\uff0c\u53ea\u4f1a\u8bb0\u5f55\u6574\u6570\u90e8\u5206\uff0c\u4e0d\u4f1a\u8bb0\u5f55\u5fae\u79d2\u90e8\u5206\u3002<\/p>\n
    mysql> show variables like 'long_query_time%';\n +-----------------+-----------+\n | Variable_name   | Value     |\n +-----------------+-----------+\n | long_query_time | 10.000000 |\n +-----------------+-----------+\n 1 row in set (0.00 sec)\n\nmysql> set global long_query_time=4;\n Query OK, 0 rows affected (0.00 sec)\n\nmysql> show variables like 'long_query_time';\n +-----------------+-----------+\n | Variable_name   | Value     |\n +-----------------+-----------+\n | long_query_time | 10.000000 |\n +-----------------+-----------+\n 1 row in set (0.00 sec)<\/code><\/pre>\n
    \u5982\u4e0a\u6240\u793a\uff0c\u4fee\u6539\u4e86\u53d8\u91cflong_query_time<\/code>\uff0c\u4f46\u662f\u67e5\u8be2\u53d8\u91cflong_query_time<\/code>\u7684\u503c\u8fd8\u662f10\uff0c\u96be\u9053\u6ca1\u6709\u4fee\u6539\u5230\u5462\uff1f<\/p>\n
    \n
    \u6ce8\u610f\uff1a\u4f7f\u7528\u547d\u4ee4set global long_query_time=4<\/code>\u4fee\u6539\u540e\uff0c\u9700\u8981\u91cd\u65b0\u8fde\u63a5\u6216\u65b0\u5f00\u4e00\u4e2a\u4f1a\u8bdd\u624d\u80fd\u770b\u5230\u4fee\u6539\u503c<\/p>\n<\/blockquote>\n
    \u7528show variables like 'long_query_time'<\/code>\u67e5\u770b\u662f\u5f53\u524d\u4f1a\u8bdd\u7684\u53d8\u91cf\u503c<\/p>\n
    \u4e5f\u53ef\u4ee5\u4e0d\u7528\u91cd\u65b0\u8fde\u63a5\u4f1a\u8bdd\uff0c\u800c\u662f\u7528show global variables like 'long_query_time'<\/code><\/p>\n
    log_output<\/h3>\n
    log_output\u53c2\u6570\u6307\u5b9a\u65e5\u5fd7\u7684\u5b58\u50a8\u65b9\u5f0f\u3002<\/p>\n
      \n
    • log_output='FILE'<\/code> \u8868\u793a\u5c06\u65e5\u5fd7\u5b58\u5165\u6587\u4ef6\uff0c\u9ed8\u8ba4\u503c\u4e5f\u662f'FILE'<\/code><\/li>\n
    • log_output='TABLE'<\/code> \u8868\u793a\u5c06\u65e5\u5fd7\u5b58\u5165\u6570\u636e\u5e93\uff0c\u8fd9\u6837\u65e5\u5fd7\u4fe1\u606f\u5c31\u4f1a\u88ab\u5199\u5165\u5230mysql.slow_log<\/code>\u8868\u4e2d<\/li>\n<\/ul>\n
      \u540c\u65f6\u4e5f\u652f\u6301\u4e24\u79cd\u65e5\u5fd7\u5b58\u50a8\u65b9\u5f0f\uff0c\u914d\u7f6e\u7684\u65f6\u5019\u4ee5\u9017\u53f7\u9694\u5f00\u5373\u53ef\uff0c\u5982\uff1alog_output='FILE,TABLE'<\/code><\/p>\n
      \u65e5\u5fd7\u8bb0\u5f55\u5230\u7cfb\u7edf\u7684\u4e13\u7528\u65e5\u5fd7\u8868\u4e2d\uff0c\u8981\u6bd4\u8bb0\u5f55\u5230\u6587\u4ef6\u8017\u8d39\u66f4\u591a\u7684\u7cfb\u7edf\u8d44\u6e90<\/p>\n
      \u56e0\u6b64\u5bf9\u4e8e\u9700\u8981\u542f\u7528\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u53c8\u9700\u8981\u80fd\u591f\u83b7\u5f97\u66f4\u9ad8\u7684\u7cfb\u7edf\u6027\u80fd\uff0c\u90a3\u4e48\u5efa\u8bae\u4f18\u5148\u8bb0\u5f55\u5230\u6587\u4ef6<\/p>\n
      mysql> show variables like '%log_output%';\n +---------------+-------+\n | Variable_name | Value |\n +---------------+-------+\n | log_output    | FILE  |\n +---------------+-------+\n 1 row in set (0.00 sec)\n\nmysql> set global log_output='TABLE';\n Query OK, 0 rows affected (0.00 sec)\n\nmysql> show variables like '%log_output%';\n +---------------+-------+\n | Variable_name | Value |\n +---------------+-------+\n | log_output    | TABLE |\n +---------------+-------+\n 1 row in set (0.00 sec)\n\nmysql> select sleep(5) ;\n +----------+\n | sleep(5) |\n +----------+\n |        0 |\n +----------+\n 1 row in set (5.00 sec)\n\nmysql>\n\nmysql> select * from mysql.slow_log;\n +---------------------+---------------------------+------------+-----------+-----------+---------------+----+----------------+-----------+-----------+-----------------+-----------+\n | start_time          | user_host                 | query_time | lock_time | rows_sent | rows_examined | db | last_insert_id | insert_id | server_id | sql_text        | thread_id |\n +---------------------+---------------------------+------------+-----------+-----------+---------------+----+----------------+-----------+-----------+-----------------+-----------+\n | 2016-06-16 17:37:53 | root[root] @ localhost [] | 00:00:03   | 00:00:00  |         1 |             0 |    |              0 |         0 |         1 | select sleep(3) |         5 |\n | 2016-06-16 21:45:23 | root[root] @ localhost [] | 00:00:05   | 00:00:00  |         1 |             0 |    |              0 |         0 |         1 | select sleep(5) |         2 |\n +---------------------+---------------------------+------------+-----------+-----------+---------------+----+----------------+-----------+-----------+-----------------+-----------+\n 2 rows in set (0.00 sec)<\/code><\/pre>\n
      log-queries-not-using-indexes<\/h3>\n
      \u8be5\u7cfb\u7edf\u53d8\u91cf\u6307\u5b9a\u672a\u4f7f\u7528\u7d22\u5f15\u7684\u67e5\u8be2\u4e5f\u88ab\u8bb0\u5f55\u5230\u6162\u67e5\u8be2\u65e5\u5fd7\u4e2d\uff08\u53ef\u9009\u9879\uff09<\/p>\n
      \u5982\u679c\u8c03\u4f18\u7684\u8bdd\uff0c\u5efa\u8bae\u5f00\u542f\u8fd9\u4e2a\u9009\u9879<\/p>\n
      \u53e6\u5916\uff0c\u5f00\u542f\u4e86\u8fd9\u4e2a\u53c2\u6570\uff0c\u5176\u5b9e\u4f7f\u7528full index scan<\/code>\u7684SQL\u4e5f\u4f1a\u88ab\u8bb0\u5f55\u5230\u6162\u67e5\u8be2\u65e5\u5fd7<\/p>\n
      mysql> show variables like 'log_queries_not_using_indexes';\n +-------------------------------+-------+\n | Variable_name                 | Value |\n +-------------------------------+-------+\n | log_queries_not_using_indexes | OFF   |\n +-------------------------------+-------+\n 1 row in set (0.00 sec)\n\nmysql> set global log_queries_not_using_indexes=1;\n Query OK, 0 rows affected (0.00 sec)\n\nmysql> show variables like 'log_queries_not_using_indexes';\n +-------------------------------+-------+\n | Variable_name                 | Value |\n +-------------------------------+-------+\n | log_queries_not_using_indexes | ON    |\n +-------------------------------+-------+\n 1 row in set (0.00 sec)<\/code><\/pre>\n
      log_slow_admin_statements<\/h3>\n
      \u8fd9\u4e2a\u7cfb\u7edf\u53d8\u91cf\u8868\u793a\uff0c\u662f\u5426\u5c06\u6162\u7ba1\u7406\u8bed\u53e5\u4f8b\u5982ANALYZE TABLE<\/code>\u548cALTER TABLE<\/code>\u7b49\u8bb0\u5165\u6162\u67e5\u8be2\u65e5\u5fd7<\/p>\n
      mysql> show variables like 'log_slow_admin_statements';\n +---------------------------+-------+\n | Variable_name             | Value |\n +---------------------------+-------+\n | log_slow_admin_statements | OFF   |\n +---------------------------+-------+\n 1 row in set (0.00 sec)<\/code><\/pre>\n
      Slow_queries<\/h3>\n
      \u5982\u679c\u60f3\u67e5\u8be2\u6709\u591a\u5c11\u6761\u6162\u67e5\u8be2\u8bb0\u5f55\uff0c\u53ef\u4ee5\u4f7f\u7528Slow_queries<\/code>\u7cfb\u7edf\u53d8\u91cf<\/p>\n
      mysql> show global status like '%Slow_queries%';\n +---------------+-------+\n | Variable_name | Value |\n +---------------+-------+\n | Slow_queries  | 2108  |\n +---------------+-------+\n 1 row in set (0.00 sec)<\/code><\/pre>\n
      \u53e6\u5916\uff0c\u8fd8\u6709log_slow_slave_statements<\/code>\u548c--log-short-format<\/code>\u53c2\u6570\uff0c\u53ef\u5230MySQL\u7f51\u7ad9\u4e86\u89e3<\/p>\n
      mysqldumpslow\u5de5\u5177<\/h2>\n
      \u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u5982\u679c\u8981\u624b\u5de5\u5206\u6790\u65e5\u5fd7\uff0c\u67e5\u627e\u3001\u5206\u6790SQL\uff0c\u663e\u7136\u662f\u4e2a\u4f53\u529b\u6d3b<\/p>\n
      MySQL\u63d0\u4f9b\u4e86\u65e5\u5fd7\u5206\u6790\u5de5\u5177mysqldumpslow<\/code>\uff0c\u67e5\u770bmysqldumpslow<\/code>\u7684\u5e2e\u52a9\u4fe1\u606f\uff1a<\/p>\n
      # mysqldumpslow --help\n Usage: mysqldumpslow [ OPTS... ] [ LOGS... ]\n\nParse and summarize the MySQL slow query log. Options are\n\n  --verbose    verbose\n  --debug      debug\n  --help       write this text to standard output\n\n  -v           verbose\n  -d           debug\n  -s ORDER     what to sort by (al, at, ar, c, l, r, t), 'at' is default\uff08\u6392\u5e8f\u65b9\u5f0f\uff09\n                 al: average lock time\uff08\u5e73\u5747\u9501\u5b9a\u65f6\u95f4\uff09\n                 ar: average rows sent\uff08\u5e73\u5747\u8fd4\u56de\u8bb0\u5f55\u6570\uff09\n                 at: average query time\uff08\u5e73\u5747\u67e5\u8be2\u65f6\u95f4\uff09\n                  c: count\uff08\u8bbf\u95ee\u8ba1\u6570\uff09\n                  l: lock time\uff08\u9501\u5b9a\u65f6\u95f4\uff09\n                  r: rows sent\uff08\u8fd4\u56de\u8bb0\u5f55\uff09\n                  t: query time\uff08\u67e5\u8be2\u65f6\u95f4\uff09\n   -r           reverse the sort order (largest last instead of first)\n   -t NUM       just show the top n queries\uff08\u8fd4\u56de\u524d\u9762n\u6761\u6570\u636e\uff09\n   -a           don't abstract all numbers to N and strings to 'S'\n   -n NUM       abstract numbers with at least n digits within names\n   -g PATTERN   grep: only consider stmts that include this string\uff08\u6b63\u5219\u5339\u914d\u6a21\u5f0f\uff0c\u5927\u5c0f\u5199\u4e0d\u654f\u611f\uff09\n   -h HOSTNAME  hostname of db server for *-slow.log filename (can be wildcard),\n                default is '*', i.e. match all\n   -i NAME      name of server instance (if using mysql.server startup script)\n   -l           don't subtract lock time from total time<\/code><\/pre>\n
      \u6bd4\u5982\uff0c\u5f97\u5230\u8fd4\u56de\u8bb0\u5f55\u96c6\u6700\u591a\u768410\u4e2aSQL<\/p>\n
      mysqldumpslow -s r -t 10 \/database\/mysql\/mysql06_slow.log<\/code><\/pre>\n
      \u5f97\u5230\u8bbf\u95ee\u6b21\u6570\u6700\u591a\u768410\u4e2aSQL<\/p>\n
      mysqldumpslow -s c -t 10 \/database\/mysql\/mysql06_slow.log<\/code><\/pre>\n
      \u5f97\u5230\u6309\u7167\u65f6\u95f4\u6392\u5e8f\u7684\u524d10\u6761\u91cc\u9762\u542b\u6709\u5de6\u8fde\u63a5\u7684\u67e5\u8be2\u8bed\u53e5<\/p>\n
      mysqldumpslow -s t -t 10 -g "left join" \/database\/mysql\/mysql06_slow.log<\/code><\/pre>\n
      \u53e6\u5916\u5efa\u8bae\u5728\u4f7f\u7528\u8fd9\u4e9b\u547d\u4ee4\u65f6\u7ed3\u5408|<\/code>\u548cmore<\/code>\u4f7f\u7528 \uff0c\u5426\u5219\u6709\u53ef\u80fd\u51fa\u73b0\u5237\u5c4f\u7684\u60c5\u51b5<\/p>\n
      mysqldumpslow -s r -t 20 \/mysqldata\/mysql\/mysql06-slow.log | more<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
      \u6982\u5ff5 MySQL\u7684\u6162\u67e5\u8be2\uff0c\u5168\u540d\u662f\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u662fMySQL\u63d0\u4f9b\u7684\u4e00\u79cd\u65e5\u5fd7\u8bb0\u5f55\uff0c\u7528\u6765\u8bb0\u5f55\u5728MySQL\u4e2d\u54cd\u5e94\u65f6\u95f4\u8d85\u8fc7 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-1077","post","type-post","status-publish","format-standard","hentry","category-mysql"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1077","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1077"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1077\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1077"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1077"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1077"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}