This is mysql ... there you understand something?
What is Aria?
160909 23:40:46 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
2016-09-09 23:40:46 139761619175456 [Note] /usr/sbin/mysqld (mysqld 10.1.16-MariaDB) starting as process 5768 ...
2016-09-09 23:40:46 139761619175456 [ERROR] mysqld: Can't lock aria control file '/var/lib/mysql/aria_log_control' for exclusive use, error: 11. Will retry for 30 seconds
2016-09-09 23:41:17 139761619175456 [ERROR] mysqld: Got error 'Could not get an exclusive lock; file is probably in use by another process' when trying to use aria control file '/var/lib/mysql/aria_log_control'
2016-09-09 23:41:17 139761619175456 [ERROR] Plugin 'Aria' init function returned error.
2016-09-09 23:41:17 139761619175456 [ERROR] Plugin 'Aria' registration as a STORAGE ENGINE failed.
2016-09-09 23:41:18 139761619175456 [Note] InnoDB: Using mutexes to ref count buffer pool pages
2016-09-09 23:41:18 139761619175456 [Note] InnoDB: The InnoDB memory heap is disabled
2016-09-09 23:41:18 139761619175456 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2016-09-09 23:41:18 139761619175456 [Note] InnoDB: Memory barrier is not used
2016-09-09 23:41:18 139761619175456 [Note] InnoDB: Compressed tables use zlib 1.2.3
2016-09-09 23:41:18 139761619175456 [Note] InnoDB: Using Linux native AIO
2016-09-09 23:41:18 139761619175456 [Note] InnoDB: Using SSE crc32 instructions
2016-09-09 23:41:18 139761619175456 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2016-09-09 23:41:18 139761619175456 [Note] InnoDB: Completed initialization of buffer pool
2016-09-09 23:41:18 139761619175456 [ERROR] InnoDB: Unable to lock ./ibdata1, error: 11
2016-09-09 23:41:18 139761619175456 [Note] InnoDB: Check that you do not already have another mysqld process using the same InnoDB data or log files.
2016-09-09 23:41:18 139761619175456 [Note] InnoDB: Retrying to lock the first data file
2016-09-09 23:41:19 139761619175456 [ERROR] InnoDB: Unable to lock ./ibdata1, error: 11
2016-09-09 23:41:19 139761619175456 [Note] InnoDB: Check that you do not already have another mysqld process using the same InnoDB data or log files.
2016-09-09 23:41:20 139761619175456 [ERROR] InnoDB: Unable to lock ./ibdata1, error: 11
2016-09-09 23:41:20 139761619175456 [Note] InnoDB: Check that you do not already have another mysqld process using the same InnoDB data or log files.
2016-09-09 23:41:21 139761619175456 [ERROR] InnoDB: Unable to lock ./ibdata1, error: 11
2016-09-09 23:41:21 139761619175456 [Note] InnoDB: Check that you do not already have another mysqld process using the same InnoDB data or log files.
2016-09-09 23:41:22 139761619175456 [Note] InnoDB: Highest supported file format is Barracuda.
2016-09-09 23:41:22 139761619175456 [Note] InnoDB: 128 rollback segment(s) are active.
2016-09-09 23:41:22 139761619175456 [Note] InnoDB: Waiting for purge to start
2016-09-09 23:41:22 139761619175456 [Note] InnoDB: Percona XtraDB (http://www.percona.com) 5.6.30-76.3 started; log sequence number 1819725
2016-09-09 23:41:22 139761619175456 [Note] Plugin 'FEEDBACK' is disabled.
2016-09-09 23:41:22 139761619175456 [ERROR] Aria engine is not enabled or did not start. The Aria engine must be enabled to continue as mysqld was configured with --with-aria-tmp-tables
2016-09-09 23:41:22 139761619175456 [ERROR] Aborting
160909 23:41:45 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
2016-09-09 23:41:45 140347292117024 [Note] /usr/sbin/mysqld (mysqld 10.1.16-MariaDB) starting as process 1306 ...
2016-09-09 23:41:45 140347292117024 [Note] InnoDB: Using mutexes to ref count buffer pool pages
2016-09-09 23:41:45 140347292117024 [Note] InnoDB: The InnoDB memory heap is disabled
2016-09-09 23:41:45 140347292117024 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2016-09-09 23:41:45 140347292117024 [Note] InnoDB: Memory barrier is not used
2016-09-09 23:41:45 140347292117024 [Note] InnoDB: Compressed tables use zlib 1.2.3
2016-09-09 23:41:45 140347292117024 [Note] InnoDB: Using Linux native AIO
2016-09-09 23:41:45 140347292117024 [Note] InnoDB: Using SSE crc32 instructions
2016-09-09 23:41:45 140347292117024 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2016-09-09 23:41:45 140347292117024 [Note] InnoDB: Completed initialization of buffer pool
2016-09-09 23:41:45 140347292117024 [Note] InnoDB: Highest supported file format is Barracuda.
2016-09-09 23:41:45 140347292117024 [Note] InnoDB: 128 rollback segment(s) are active.
2016-09-09 23:41:45 140347292117024 [Note] InnoDB: Waiting for purge to start
2016-09-09 23:41:45 140347292117024 [Note] InnoDB: Percona XtraDB (http://www.percona.com) 5.6.30-76.3 started; log sequence number 1819735
2016-09-09 23:41:45 140347292117024 [Note] Plugin 'FEEDBACK' is disabled.
2016-09-09 23:41:45 140346543535872 [Note] InnoDB: Dumping buffer pool(s) not yet started
2016-09-09 23:41:45 140347292117024 [Note] Server socket created on IP: '::'.
2016-09-09 23:41:45 140347292117024 [Note] /usr/sbin/mysqld: ready for connections.
Version: '10.1.16-MariaDB' socket: '/var/lib/mysql/mysql.sock' port: 3306 MariaDB Server
160909 23:41:46 mysqld_safe A mysqld process already exists
2016-09-09 23:51:36 140346501245696 [Note] /usr/sbin/mysqld: Normal shutdown
2016-09-09 23:51:36 140346501245696 [Note] Event Scheduler: Purging the queue. 0 events
2016-09-09 23:51:36 140346522556160 [Note] InnoDB: FTS optimize thread exiting.
2016-09-09 23:51:36 140346501245696 [Note] InnoDB: Starting shutdown...
2016-09-09 23:51:38 140346501245696 [Note] InnoDB: Shutdown completed; log sequence number 1819745
2016-09-09 23:51:38 140346501245696 [Note] /usr/sbin/mysqld: Shutdown complete