MariaDB restart is too slow

160608 02:11:45 mysqld_safe Starting mysqld daemon with databases from /path/to/mysql/data

2016-06-08  2:11:46 139989491841056 [Warning] option 'general_log': boolean value '/path/to/log/mysqld.log' wasn't recognized. Set to OFF.

2016-06-08  2:11:46 139989491841056 [Note] /usr/libexec/mysqld (mysqld 10.1.14-MariaDB) starting as process 10933 ...

2016-06-08  2:11:46 139989491841056 [Note] InnoDB: Using mutexes to ref count buffer pool pages

2016-06-08  2:11:46 139989491841056 [Note] InnoDB: The InnoDB memory heap is disabled

2016-06-08  2:11:46 139989491841056 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins

2016-06-08  2:11:46 139989491841056 [Note] InnoDB: Memory barrier is not used

2016-06-08  2:11:46 139989491841056 [Note] InnoDB: Compressed tables use zlib 1.2.3

2016-06-08  2:11:46 139989491841056 [Note] InnoDB: Using Linux native AIO

2016-06-08  2:11:46 139989491841056 [Note] InnoDB: Using SSE crc32 instructions

2016-06-08  2:11:46 139989491841056 [Note] InnoDB: Initializing buffer pool, size = 2.0G

2016-06-08  2:11:46 139989491841056 [Note] InnoDB: Completed initialization of buffer pool

2016-06-08  2:11:46 139989491841056 [Note] InnoDB: Highest supported file format is Barracuda.

2016-06-08  2:22:38 139989491841056 [Note] InnoDB: 128 rollback segment(s) are active.

2016-06-08  2:22:38 139989491841056 [Note] InnoDB: Waiting for purge to start

2016-06-08  2:22:39 139989491841056 [Note] InnoDB:  Percona XtraDB (http://www.percona.com) 5.6.29-76.2 started; log sequence number 21147217244291

2016-06-08  2:22:39 139986282186496 [Note] InnoDB: Dumping buffer pool(s) not yet started

2016-06-08  2:22:39 139989491841056 [Note] Plugin 'FEEDBACK' is disabled.

2016-06-08  2:22:39 139989491841056 [Note] Server socket created on IP: '::'.

2016-06-08  2:22:39 139989491841056 [Note] /usr/libexec/mysqld: ready for connections.

Version: '10.1.14-MariaDB'  socket: '/path/to/mysql.sock'  port: 3306  MariaDB Server