Block Size 512 The size in bytes of blocks in the key cache. The default value is 1024. See Section 8.10.2, “The MyISAM Key Cache” . Server System Variables • key_cache_division_limit Command-Line Format --key-cache-division-limit=# System Variable key_cache_division_limit Scope Global Dynamic Yes SET_VAR  Hint Applies No Type Integer Default Value 100 Minimum Value 1 Maximum Value 100 The division point between the hot and warm sublists of the key cache buffer list. The value is the percentage of the buffer list to use for the warm sublist. Permissible values range from 1 to 100. The default value is 100. See Section 8.10.2, “The MyISAM Key Cache” . • large_files_support • large_pages Whether  mysqld  was compiled with options for large file support. System Variable large_files_support Scope Global Dynamic No SET_VAR  Hint Applies No Type Boolean Command-Line Format --large-pages[={OFF|ON}] System Variable large_pages Scope Global Dynamic No SET_VAR  Hint Applies No Platform Specific Linux Type Boolean Default Value OFF Whether large page support is enabled (via the  --large-pages  option). See Section 8.12.3.2, “Enabling Large Page Support” . 815