MySQL 每 10 分钟 自动 Normal shutdown

[tonghuashuai]

非常确定没有 crontab 任务，实在找不到什么原因 log ：

Version: '5.6.30-log'  socket: '/var/lib/mysql/mysql.sock'  port: 3306  MySQL Community Server (GPL)
2017-04-12 21:23:59 29062 [Note] /usr/sbin/mysqld: Normal shutdown

2017-04-12 21:23:59 29062 [Note] Giving 0 client threads a chance to die gracefully
2017-04-12 21:23:59 29062 [Note] Event Scheduler: Purging the queue. 0 events
2017-04-12 21:23:59 29062 [Note] Shutting down slave threads
2017-04-12 21:23:59 29062 [Note] Forcefully disconnecting 0 remaining clients
2017-04-12 21:23:59 29062 [Note] Binlog end
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'partition'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'PERFORMANCE_SCHEMA'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_SYS_DATAFILES'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_SYS_TABLESPACES'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN_COLS'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_SYS_FIELDS'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_SYS_COLUMNS'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_SYS_INDEXES'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_SYS_TABLESTATS'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_SYS_TABLES'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_FT_INDEX_TABLE'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_FT_INDEX_CACHE'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_FT_CONFIG'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_FT_BEING_DELETED'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_FT_DELETED'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_FT_DEFAULT_STOPWORD'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_METRICS'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_BUFFER_POOL_STATS'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE_LRU'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX_RESET'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_CMPMEM_RESET'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_CMPMEM'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_CMP_RESET'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_CMP'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_LOCK_WAITS'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_LOCKS'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'INNODB_TRX'
2017-04-12 21:23:59 29062 [Note] Shutting down plugin 'InnoDB'
2017-04-12 21:23:59 29062 [Note] InnoDB: FTS optimize thread exiting.
2017-04-12 21:23:59 29062 [Note] InnoDB: Starting shutdown...
2017-04-12 21:24:01 29062 [Note] InnoDB: Shutdown completed; log sequence number 1626143
2017-04-12 21:24:01 29062 [Note] Shutting down plugin 'BLACKHOLE'
2017-04-12 21:24:01 29062 [Note] Shutting down plugin 'ARCHIVE'
2017-04-12 21:24:01 29062 [Note] Shutting down plugin 'MRG_MYISAM'
2017-04-12 21:24:01 29062 [Note] Shutting down plugin 'MyISAM'
2017-04-12 21:24:01 29062 [Note] Shutting down plugin 'MEMORY'
2017-04-12 21:24:01 29062 [Note] Shutting down plugin 'CSV'
2017-04-12 21:24:01 29062 [Note] Shutting down plugin 'sha256_password'
2017-04-12 21:24:01 29062 [Note] Shutting down plugin 'mysql_old_password'
2017-04-12 21:24:01 29062 [Note] Shutting down plugin 'mysql_native_password'
2017-04-12 21:24:01 29062 [Note] Shutting down plugin 'binlog'
2017-04-12 21:24:01 29062 [Note] /usr/sbin/mysqld: Shutdown complete

170412 21:24:01 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended
170412 21:24:01 mysqld_safe Starting mysqld daemon with databases from /backups/mysql
2017-04-12 21:24:01 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2017-04-12 21:24:01 0 [Note] /usr/sbin/mysqld (mysqld 5.6.30-log) starting as process 31712 ...
2017-04-12 21:24:01 31712 [Warning] Buffered warning: Changed limits: max_open_files: 1024 (requested 5000)

2017-04-12 21:24:01 31712 [Warning] Buffered warning: Changed limits: table_open_cache: 431 (requested 2000)

2017-04-12 21:24:01 31712 [Note] Plugin 'FEDERATED' is disabled.
2017-04-12 21:24:01 31712 [Note] InnoDB: Using atomics to ref count buffer pool pages
2017-04-12 21:24:01 31712 [Note] InnoDB: The InnoDB memory heap is disabled
2017-04-12 21:24:01 31712 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2017-04-12 21:24:01 31712 [Note] InnoDB: Memory barrier is not used
2017-04-12 21:24:01 31712 [Note] InnoDB: Compressed tables use zlib 1.2.3
2017-04-12 21:24:01 31712 [Note] InnoDB: Using Linux native AIO
2017-04-12 21:24:01 31712 [Note] InnoDB: Not using CPU crc32 instructions
2017-04-12 21:24:01 31712 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2017-04-12 21:24:01 31712 [Note] InnoDB: Completed initialization of buffer pool
2017-04-12 21:24:01 31712 [Note] InnoDB: Highest supported file format is Barracuda.
2017-04-12 21:24:01 31712 [Note] InnoDB: 128 rollback segment(s) are active.
2017-04-12 21:24:01 31712 [Note] InnoDB: Waiting for purge to start
2017-04-12 21:24:01 31712 [Note] InnoDB: 5.6.30 started; log sequence number 1626143
2017-04-12 21:24:01 31712 [Note] Server hostname (bind-address): '*'; port: 3306
2017-04-12 21:24:01 31712 [Note] IPv6 is available.
2017-04-12 21:24:01 31712 [Note]   - '::' resolves to '::';
2017-04-12 21:24:01 31712 [Note] Server socket created on IP: '::'.
2017-04-12 21:24:01 31712 [Note] Event Scheduler: Loaded 0 events
2017-04-12 21:24:01 31712 [Note] /usr/sbin/mysqld: ready for connections.
Version: '5.6.30-log'  socket: '/var/lib/mysql/mysql.sock'  port: 3306  MySQL Community Server (GPL)
2017-04-12 21:27:15 31712 [Warning] IP address '119.23.140.203' could not be resolved: Name or service not known