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2020-07-19 15:23:40 17d8 InnoDB: Warning: Using innodb_additional_mem_pool_size is DEPRECATED. This option may be removed in future releases, together with the option innodb_use_sys_malloc and with the InnoDB's internal memory allocator.
2020-07-19 15:23:40 6104 [Note] InnoDB: innodb_empty_free_list_algorithm has been changed to legacy because of small buffer pool size. In order to use backoff, increase buffer pool at least up to 20MB.

2020-07-19 15:23:40 6104 [Note] InnoDB: Using mutexes to ref count buffer pool pages
2020-07-19 15:23:40 6104 [Note] InnoDB: The InnoDB memory heap is disabled
2020-07-19 15:23:40 6104 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions
2020-07-19 15:23:40 6104 [Note] InnoDB: _mm_lfence() and _mm_sfence() are used for memory barrier
2020-07-19 15:23:40 6104 [Note] InnoDB: Compressed tables use zlib 1.2.3
2020-07-19 15:23:40 6104 [Note] InnoDB: Using generic crc32 instructions
2020-07-19 15:23:40 6104 [Note] InnoDB: Initializing buffer pool, size = 16.0M
2020-07-19 15:23:40 6104 [Note] InnoDB: Completed initialization of buffer pool
2020-07-19 15:23:40 6104 [Note] InnoDB: Highest supported file format is Barracuda.
InnoDB: No valid checkpoint found.
InnoDB: A downgrade from MariaDB 10.2.2 or later is not supported.
InnoDB: If this error appears when you are creating an InnoDB database,
InnoDB: the problem may be that during an earlier attempt you managed
InnoDB: to create the InnoDB data files, but log file creation failed.
InnoDB: If that is the case, please refer to
InnoDB: http://dev.mysql.com/doc/refman/5.6/en/error-creating-innodb.html
2020-07-19 15:23:40 6104 [ERROR] Plugin 'InnoDB' init function returned error.
2020-07-19 15:23:40 6104 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
2020-07-19 15:23:40 6104 [Note] Plugin 'FEEDBACK' is disabled.
2020-07-19 15:23:40 6104 [ERROR] Unknown/unsupported storage engine: InnoDB
2020-07-19 15:23:40 6104 [ERROR] Aborting