Adding information about checks performed by MySQLTuner

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Jean-Marie RENOUARD 2015-08-18 18:44:59 +02:00
parent 7497c4732e
commit f4afa6b3cf

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## MySQLTuner checks & logic
* Get total RAM/swap
* EOL MySQL version check
* 32-bit w/>2GB RAM check
* Get storage engine counts/stats
* Check for DB engines that are enabled but unused
* Look for fragmented tables
* Look for auto-increments near capacity
* Calculations
* Has server answered any queries?
*
## MySQLTuner steps
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* If working, and .my.cnf is there, okay
* Prompt for creds on the console
## MySQLTuner system checks
* Get total RAM/swap
* 32-bit w/>2GB RAM check
## MySQLTuner Server version checks
* EOL MySQL version check
## MySQL Storage engine general information
* Get storage engine counts/stats
* Check for DB engines that are enabled but unused
* Look for fragmented tables
* Look for auto-increments near capacity
## MySQLTuner security checks
* Is anonymous user present?
* Users without passwords
* Users w/username as password
* Users w/o host restriction
* Weak password check (possibly using cracklib later?)
* Using basic_passwords.txt as password database
* Password list checks can be avoid (option: --skippassword)
* Is anonymous user present?
* Users without passwords
* Users w/username as password
* Users w/o host restriction
* Weak password check (possibly using cracklib later?)
* Using basic_passwords.txt as password database
* Password list checks can be avoid (option: --skippassword)
## MySQLTuner database information
* Rows number
* Total size
* Data size
* Percentage of data size
* Index size
* Percentage of index size
* Rows number
* Total size
* Data size
* Percentage of data size
* Index size
* Percentage of index size
## MySQLTuner index information
* Top 10 worth selectivity index
* Index Cardinality
* Index Selectivity
* Misc information about index definition
* Misc information about index size
* Top 10 worth selectivity index
* Index Cardinality
* Index Selectivity
* Misc information about index definition
* Misc information about index size
## MySQLTuner Connections information
* TODO
## MySQLTuner InnoDB information
* TODO
## MySQLTuner ARIADB information
* TODO
## MySQLTuner MYISAM information
* TODO