数据库突然不稳定，一会能打开，一会打不开，这日志显示什么

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数据库突然不稳定，一会能打开，一会打不开，这日志显示什么

数据库

2015-02-08 11:23:13 24392 [Note] /alidata/server/mysql/bin/mysqld: Normal shutdown

2015-02-08 11:23:13 24392 [Note] Giving 148 client threads a chance to die gracefully
2015-02-08 11:23:13 24392 [Note] Event Scheduler: Purging the queue. 0 events
2015-02-08 11:23:13 24392 [Note] Shutting down slave threads
2015-02-08 11:23:15 24392 [Note] Forcefully disconnecting 0 remaining clients
2015-02-08 11:23:15 24392 [Note] Binlog end
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'partition'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'PERFORMANCE_SCHEMA'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'BLACKHOLE'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_SYS_DATAFILES'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_SYS_TABLESPACES'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN_COLS'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_SYS_FIELDS'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_SYS_COLUMNS'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_SYS_INDEXES'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_SYS_TABLESTATS'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_SYS_TABLES'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_FT_INDEX_TABLE'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_FT_INDEX_CACHE'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_FT_CONFIG'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_FT_BEING_DELETED'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_FT_DELETED'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_FT_DEFAULT_STOPWORD'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_METRICS'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_BUFFER_POOL_STATS'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE_LRU'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX_RESET'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_CMPMEM_RESET'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_CMPMEM'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_CMP_RESET'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_CMP'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_LOCK_WAITS'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_LOCKS'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'INNODB_TRX'
2015-02-08 11:23:15 24392 [Note] Shutting down plugin 'InnoDB'
2015-02-08 11:23:15 24392 [Note] InnoDB: FTS optimize thread exiting.
2015-02-08 11:23:15 24392 [Note] InnoDB: Starting shutdown...
2015-02-08 11:23:16 24392 [Note] InnoDB: Shutdown completed; log sequence number 1600617
2015-02-08 11:23:16 24392 [Note] Shutting down plugin 'ARCHIVE'
2015-02-08 11:23:16 24392 [Note] Shutting down plugin 'MyISAM'
2015-02-08 11:23:16 24392 [Note] Shutting down plugin 'CSV'
2015-02-08 11:23:16 24392 [Note] Shutting down plugin 'MRG_MYISAM'
2015-02-08 11:23:16 24392 [Note] Shutting down plugin 'MEMORY'
2015-02-08 11:23:16 24392 [Note] Shutting down plugin 'sha256_password'
2015-02-08 11:23:16 24392 [Note] Shutting down plugin 'mysql_old_password'
2015-02-08 11:23:16 24392 [Note] Shutting down plugin 'mysql_native_password'
2015-02-08 11:23:16 24392 [Note] Shutting down plugin 'binlog'
2015-02-08 11:23:16 24392 [Note] /alidata/server/mysql/bin/mysqld: Shutdown complete

150208 11:23:17 mysqld_safe mysqld from pid file /alidata/server/mysql/data/iZ23ng3ufd2Z.pid ended
150208 11:23:18 mysqld_safe Starting mysqld daemon with databases from /alidata/server/mysql/data
2015-02-08 11:23:18 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2015-02-08 11:23:18 25273 [Note] Plugin 'FEDERATED' is disabled.
2015-02-08 11:23:18 25273 [Note] InnoDB: Using atomics to ref count buffer pool pages
2015-02-08 11:23:18 25273 [Note] InnoDB: The InnoDB memory heap is disabled
2015-02-08 11:23:18 25273 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2015-02-08 11:23:18 25273 [Note] InnoDB: Memory barrier is not used
2015-02-08 11:23:18 25273 [Note] InnoDB: Compressed tables use zlib 1.2.3
2015-02-08 11:23:18 25273 [Note] InnoDB: Using Linux native AIO
2015-02-08 11:23:18 25273 [Note] InnoDB: Using CPU crc32 instructions
2015-02-08 11:23:18 25273 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2015-02-08 11:23:18 25273 [Note] InnoDB: Completed initialization of buffer pool
2015-02-08 11:23:18 25273 [Note] InnoDB: Highest supported file format is Barracuda.
2015-02-08 11:23:18 25273 [Note] InnoDB: 128 rollback segment(s) are active.
2015-02-08 11:23:18 25273 [Note] InnoDB: Waiting for purge to start
2015-02-08 11:23:18 25273 [Note] InnoDB: 5.6.21 started; log sequence number 1600617
2015-02-08 11:23:18 25273 [Note] Server hostname (bind-address): '*'; port: 3306
2015-02-08 11:23:18 25273 [Note] IPv6 is not available.
2015-02-08 11:23:18 25273 [Note]   - '0.0.0.0' resolves to '0.0.0.0';
2015-02-08 11:23:18 25273 [Note] Server socket created on IP: '0.0.0.0'.
2015-02-08 11:23:18 25273 [Warning] InnoDB: Cannot open table mysql/slave_master_info from the internal data dictionary of InnoDB though the .frm file for the table exists. See http://dev.mysql.com/doc/refman/5.6/en/innodb-troubleshooting.html for how you can resolve the problem.
2015-02-08 11:23:18 25273 [Warning] Info table is not ready to be used. Table 'mysql.slave_master_info' cannot be opened.
2015-02-08 11:23:18 25273 [Warning] InnoDB: Cannot open table mysql/slave_worker_info from the internal data dictionary of InnoDB though the .frm file for the table exists. See http://dev.mysql.com/doc/refman/5.6/en/innodb-troubleshooting.html for how you can resolve the problem.
2015-02-08 11:23:18 25273 [Warning] InnoDB: Cannot open table mysql/slave_relay_log_info from the internal data dictionary of InnoDB though the .frm file for the table exists. See http://dev.mysql.com/doc/refman/5.6/en/innodb-troubleshooting.html for how you can resolve the problem.
2015-02-08 11:23:18 25273 [Warning] Info table is not ready to be used. Table 'mysql.slave_relay_log_info' cannot be opened.
2015-02-08 11:23:18 25273 [Note] Event Scheduler: Loaded 0 events
2015-02-08 11:23:18 25273 [Note] /alidata/server/mysql/bin/mysqld: ready for connections.
Version: '5.6.21'  socket: '/tmp/mysql.sock'  port: 3306  MySQL Community Server (GPL)



全显示使用中，这些都没有修复功能的