The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
information that should help you find out what is causing the crash.
161103 05:53:58 mysqld_safe Number of processes running now: 0
161103 05:53:58 mysqld_safe mysqld restarted
161103 5:53:59 [Note] /opt/wmf-mariadb10/bin/mysqld (mysqld 10.0.23-MariaDB-log) starting as process 20577 ...
161103 5:53:59 [Warning] No argument was provided to --log-bin and neither --log-basename or --log-bin-index where used; This may cause repliction to break when this server acts as a master and has its hostname changed! Please use '--log-basename=db1073' or '--log-bin=db1073-bin' to avoid this problem.
161103 5:53:59 [Note] InnoDB: Using mutexes to ref count buffer pool pages
161103 5:53:59 [Note] InnoDB: The InnoDB memory heap is disabled
161103 5:53:59 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
161103 5:53:59 [Note] InnoDB: Memory barrier is not used
161103 5:53:59 [Note] InnoDB: Compressed tables use zlib 1.2.3
161103 5:53:59 [Note] InnoDB: Using Linux native AIO
161103 5:53:59 [Note] InnoDB: Using CPU crc32 instructions
161103 5:53:59 [Note] InnoDB: Initializing buffer pool, size = 118.0G
161103 5:54:04 [Note] InnoDB: Completed initialization of buffer pool
161103 5:54:05 [Note] InnoDB: Highest supported file format is Barracuda.
161103 5:54:05 [Note] InnoDB: Log scan progressed past the checkpoint lsn 19097264167192
161103 5:54:05 [Note] InnoDB: Database was not shutdown normally!
161103 5:55:36 [ERROR] mysql.event: 1 client is using or hasn't closed the table properly
161103 5:55:36 [Note] Event Scheduler: scheduler thread started with id 2
161103 5:55:36 [Warning] Neither --relay-log nor --relay-log-index were used; so replication may break when this MySQL server acts as a slave and has his hostname changed!! Please use '--log-basename=#' or '--relay-log=db1073-relay-bin' to avoid this problem.
161103 5:55:36 [Note] /opt/wmf-mariadb10/bin/mysqld: ready for connections.
Version: '10.0.23-MariaDB-log' socket: '/tmp/mysql.sock' port: 3306 MariaDB Server
161103 5:55:36 [ERROR] mysqld: Table './heartbeat/heartbeat' is marked as crashed and should be repaired
161103 5:55:36 [ERROR] mysqld: Table './heartbeat/heartbeat' is marked as crashed and should be repaired
161103 5:55:36 [ERROR] mysqld: Table './heartbeat/heartbeat' is marked as crashed and should be repaired
161103 5:55:36 [ERROR] mysqld: Table './heartbeat/heartbeat' is marked as crashed and should be repaired
161103 5:55:36 [ERROR] mysqld: Table './heartbeat/heartbeat' is marked as crashed and should be repaired
161103 5:55:36 [ERROR] mysqld: Table './heartbeat/heartbeat' is marked as crashed and should be repaired
161103 5:55:36 [ERROR] mysqld: Table './heartbeat/heartbeat' is marked as crashed and should be repaired
161103 5:55:36 [ERROR] mysqld: Table './heartbeat/heartbeat' is marked as crashed and should be repaired