2020-10-26 16:22:06 8203 [Note] Plugin 'FEDERATED' is disabled.
2020-10-26 16:22:06 8203 [Note] InnoDB: Using atomics to ref count buffer pool pages
2020-10-26 16:22:06 8203 [Note] InnoDB: The InnoDB memory heap is disabled
2020-10-26 16:22:06 8203 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2020-10-26 16:22:06 8203 [Note] InnoDB: Memory barrier is not used
2020-10-26 16:22:06 8203 [Note] InnoDB: Compressed tables use zlib 1.2.11
2020-10-26 16:22:06 8203 [Note] InnoDB: Using CPU crc32 instructions
2020-10-26 16:22:06 8203 [Note] InnoDB: Initializing buffer pool, size = 256.0M
2020-10-26 16:22:06 8203 [Note] InnoDB: Completed initialization of buffer pool
2020-10-26 16:22:06 8203 [Note] InnoDB: Highest supported file format is Barracuda.
2020-10-26 16:22:06 8203 [Note] InnoDB: The log sequence numbers 1626004 and 1626004 in ibdata files do not match the log sequence number 4083164113 in the ib_logfiles!
2020-10-26 16:22:06 8203 [Note] InnoDB: Database was not shutdown normally!
2020-10-26 16:22:06 8203 [Note] InnoDB: Starting crash recovery.
2020-10-26 16:22:06 8203 [Note] InnoDB: Reading tablespace information from the .ibd files...
2020-10-26 16:22:06 8203 [Note] InnoDB: Restoring possible half-written data pages
2020-10-26 16:22:06 8203 [Note] InnoDB: from the doublewrite buffer...
InnoDB: Last MySQL binlog file position 0 81271918, file name mysql-bin.000011
2020-10-26 16:22:06 8203 [Note] InnoDB: 128 rollback segment(s) are active.
2020-10-26 16:22:06 8203 [Note] InnoDB: Waiting for purge to start
2020-10-26 16:22:06 8203 [Note] InnoDB: 5.6.46 started; log sequence number 4083164113
2020-10-26 16:22:06 8203 [Note] Recovering after a crash using mysql-bin
2020-10-26 16:22:06 8203 [Note] Starting crash recovery...
2020-10-26 16:22:06 8203 [Note] Crash recovery finished.
2020-10-26 16:22:07 8203 [Note] RSA private key file not found: /www/server/data//private_key.pem. Some authentication plugins will not work.
2020-10-26 16:22:07 8203 [Note] RSA public key file not found: /www/server/data//public_key.pem. Some authentication plugins will not work.
2020-10-26 16:22:07 8203 [Note] Server hostname (bind-address): '*'; port: 3306
2020-10-26 16:22:07 8203 [Note] IPv6 is available.
2020-10-26 16:22:07 8203 [Note] - '::' resolves to '::';
2020-10-26 16:22:07 8203 [Note] Server socket created on IP: '::'.
2020-10-26 16:22:07 8203 [Note] Event Scheduler: Loaded 0 events
2020-10-26 16:22:07 8203 [Note] /www/server/mysql/bin/mysqld: ready for connections.
Version: '5.6.46-log' socket: '/tmp/mysql.sock' port: 3306 Source distribution
I'm having this error again, what can it be?