98 lines
No EOL
2.3 KiB
Markdown
98 lines
No EOL
2.3 KiB
Markdown
## MySQLTuner checks & logic
|
|
|
|
|
|
## MySQLTuner steps
|
|
|
|
* Header Print
|
|
* Get login information
|
|
* Set up some OS variables
|
|
* Toss variables/status into hashes
|
|
* Get information about the tuning connexion
|
|
* Check current MySQL version
|
|
* Suggest 64-bit upgrade
|
|
* Show enabled storage engines
|
|
* Show informations about databases (option: --dbstat)
|
|
* Show informations about indexes (option: --idxstat)
|
|
* Display some security recommendations
|
|
* Calculate everything we need
|
|
* Print the server stats
|
|
* Print InnoDB stats
|
|
* Print replication info
|
|
* Make recommendations based on stats
|
|
* Close reportfile if needed
|
|
* Dump result if debug is on
|
|
|
|
## MySQLTuner get login information steps
|
|
|
|
* Is a login possible?
|
|
* Force socket?
|
|
* Remote connection?
|
|
* _Specifying available RAM is required_
|
|
* Got user/pass on command line?
|
|
* mysql-quickbackup credentials available?
|
|
* Plesk credentials available?
|
|
* DirectAdmin credentials available?
|
|
* Debian maintenance account credentials available?
|
|
* Just try a login
|
|
* If working, and .my.cnf isn't there, **WARNING**
|
|
* 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)
|
|
|
|
## MySQLTuner database information
|
|
|
|
* 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
|
|
|
|
## MySQLTuner Connections information
|
|
|
|
* TODO
|
|
|
|
## MySQLTuner InnoDB information
|
|
|
|
* TODO
|
|
|
|
## MySQLTuner ARIADB information
|
|
|
|
* TODO
|
|
|
|
## MySQLTuner MYISAM information
|
|
|
|
* TODO |