2018-05-03T01:48:28.919927Z 0 [Warning] Changed limits: max_open_files: 1024 (requested 5000)
2018-05-03T01:48:28.920007Z 0 [Warning] Changed limits: table_open_cache: 431 (requested 2000)
2018-05-03T01:48:29.089292Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2018-05-03T01:48:29.189786Z 0 [Note] /usr/sbin/mysqld (mysqld 5.7.22-0ubuntu0.16.04.1) starting as process 1011 ...
2018-05-03T01:48:29.252011Z 0 [Note] InnoDB: PUNCH HOLE support available
2018-05-03T01:48:29.252040Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2018-05-03T01:48:29.252046Z 0 [Note] InnoDB: Uses event mutexes
2018-05-03T01:48:29.252052Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
2018-05-03T01:48:29.252058Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.8
2018-05-03T01:48:29.252063Z 0 [Note] InnoDB: Using Linux native AIO
2018-05-03T01:48:29.252295Z 0 [Note] InnoDB: Number of pools: 1
2018-05-03T01:48:29.252379Z 0 [Note] InnoDB: Not using CPU crc32 instructions
2018-05-03T01:48:29.253654Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M
2018-05-03T01:48:29.289305Z 0 [Note] InnoDB: Completed initialization of buffer pool
2018-05-03T01:48:29.291014Z 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
2018-05-03T01:48:29.442115Z 0 [Note] InnoDB: Highest supported file format is Barracuda.
2018-05-03T01:48:30.579768Z 0 [Note] InnoDB: Creating shared tablespace for temporary tables
2018-05-03T01:48:30.579831Z 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2018-05-03T01:48:30.933100Z 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB.
2018-05-03T01:48:30.934821Z 0 [Note] InnoDB: 96 redo rollback segment(s) found. 96 redo rollback segment(s) are active.
2018-05-03T01:48:30.934841Z 0 [Note] InnoDB: 32 non-redo rollback segment(s) are active.
2018-05-03T01:48:30.935191Z 0 [Note] InnoDB: Waiting for purge to start
2018-05-03T01:48:30.985416Z 0 [Note] InnoDB: 5.7.22 started; log sequence number 2803227
2018-05-03T01:48:30.985602Z 0 [Note] InnoDB: Loading buffer pool(s) from /var/lib/mysql/ib_buffer_pool
2018-05-03T01:48:30.985663Z 0 [Note] Plugin 'FEDERATED' is disabled.
2018-05-03T01:48:31.620949Z 0 [Warning] Failed to set up SSL because of the following SSL library error: SSL context is not usable without certificate and private key
2018-05-03T01:48:31.620974Z 0 [Note] Server hostname (bind-address): '127.0.0.1'; port: 3306
2018-05-03T01:48:31.620984Z 0 [Note]   - '127.0.0.1' resolves to '127.0.0.1';
2018-05-03T01:48:31.621050Z 0 [Note] Server socket created on IP: '127.0.0.1'.
2018-05-03T01:48:32.288007Z 0 [Note] InnoDB: Buffer pool(s) load completed at 180502 22:48:32
2018-05-03T01:48:33.898699Z 0 [Note] Event Scheduler: Loaded 0 events
2018-05-03T01:48:33.898935Z 0 [Note] /usr/sbin/mysqld: ready for connections.
Version: '5.7.22-0ubuntu0.16.04.1'  socket: '/var/run/mysqld/mysqld.sock'  port: 3306  (Ubuntu)
2018-05-03T01:48:33.900092Z 2 [Note] Access denied for user 'root'@'localhost' (using password: NO)