Adding information about checks performed by MySQLTuner
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## MySQLTuner checks & logic
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* Get total RAM/swap
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* EOL MySQL version check
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* 32-bit w/>2GB RAM check
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* Get storage engine counts/stats
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* Check for DB engines that are enabled but unused
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* Look for fragmented tables
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* Look for auto-increments near capacity
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* Calculations
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* Has server answered any queries?
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*
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## MySQLTuner steps
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* If working, and .my.cnf is there, okay
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* Prompt for creds on the console
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## MySQLTuner system checks
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* Get total RAM/swap
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* 32-bit w/>2GB RAM check
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## MySQLTuner Server version checks
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* EOL MySQL version check
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## MySQL Storage engine general information
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* Get storage engine counts/stats
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* Check for DB engines that are enabled but unused
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* Look for fragmented tables
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* Look for auto-increments near capacity
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## MySQLTuner security checks
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* Is anonymous user present?
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* Password list checks can be avoid (option: --skippassword)
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## MySQLTuner database information
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* Rows number
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* Total size
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* Data size
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* Percentage of index size
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## MySQLTuner index information
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* Top 10 worth selectivity index
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* Index Cardinality
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* Index Selectivity
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* Misc information about index definition
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* Misc information about index size
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## MySQLTuner Connections information
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* TODO
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## MySQLTuner InnoDB information
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* TODO
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## MySQLTuner ARIADB information
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* TODO
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## MySQLTuner MYISAM information
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* TODO
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