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data/conf/mysql/my.cnf

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+[mysqld]
+character-set-client-handshake = FALSE
+character-set-server           = utf8mb4
+collation-server               = utf8mb4_unicode_ci
+#innodb_file_per_table          = TRUE
+#innodb_file_format             = barracuda
+#innodb_large_prefix            = TRUE
+#sql_mode=IGNORE_SPACE,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
+max_allowed_packet      = 192M
+max-connections         = 550
+key_buffer_size         = 0
+read_buffer_size        = 192K
+sort_buffer_size        = 2M
+innodb_buffer_pool_size = 24M
+read_rnd_buffer_size    = 256K
+tmp_table_size          = 24M
+performance_schema      = 0
+innodb-strict-mode      = 0
+thread_cache_size       = 8
+query_cache_type        = 0
+query_cache_size        = 0
+max_heap_table_size     = 48M
+thread_stack            = 128K
+skip-host-cache
+skip-name-resolve
+log-warnings            = 0
+event_scheduler         = 1
+interactive_timeout     = 3610
+wait_timeout            = 3610
+
+[client]
+default-character-set = utf8mb4
+
+[mysql]
+default-character-set = utf8mb4