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The size in bytes of blocks in the key cache. The default value is 1024. See Section 8.10.2, “The MyISAM Key Cache” . 

• key_cache_division_limit 

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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 

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Whether mysqld  was compiled with options for large file support. 

• large_pages 

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Whether large page support is enabled (via the --large-pages  option). See Section 8.12.3.2, “Enabling Large Page Support” . 

