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USAGE.md

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NAME

MySQLTuner 1.7.2 - MySQL High Performance Tuning Script

IMPORTANT USAGE GUIDELINES

To run the script with the default options, run the script without arguments Allow MySQL server to run for at least 24-48 hours before trusting suggestions Some routines may require root level privileges (script will provide warnings) You must provide the remote server's total memory when connecting to other servers

CONNECTION AND AUTHENTIFICATION

--host <hostname>           Connect to a remote host to perform tests (default: localhost)
--socket <socket>           Use a different socket for a local connection
--port <port>               Port to use for connection (default: 3306)
--user <username>           Username to use for authentication
--userenv <envvar>          Name of env variable which contains username to use for authentication
--pass <password>           Password to use for authentication
--passenv <envvar>          Name of env variable which contains password to use for authentication
--mysqladmin <path>         Path to a custom mysqladmin executable
--mysqlcmd <path>           Path to a custom mysql executable
--defaults-file <path>      Path to a custom .my.cnf

PERFORMANCE AND REPORTING OPTIONS

--skipsize                  Don't enumerate tables and their types/sizes (default: on)
                            (Recommended for servers with many tables)
--skippassword              Don't perform checks on user passwords(default: off)
--checkversion              Check for updates to MySQLTuner (default: don't check)
--updateversion             Check for updates to MySQLTuner and update when newer version is available (default: don't check)
--forcemem <size>           Amount of RAM installed in megabytes
--forceswap <size>          Amount of swap memory configured in megabytes
--passwordfile <path>       Path to a password file list(one password by line)

OUTPUT OPTIONS

--silent                    Don't output anything on screen
--nogood                    Remove OK responses
--nobad                     Remove negative/suggestion responses
--noinfo                    Remove informational responses
--debug                     Print debug information
--dbstat                    Print database information
--idxstat                   Print index information
--sysstat                   Print system information
--pfstat                    Print Performance schema
--bannedports               Ports banned separated by comma(,)
--maxportallowed            Number of ports opened allowed on this hosts
--cvefile <path>            CVE File for vulnerability checks
--nocolor                   Don't print output in color
--json                      Print result as JSON string
--buffers                   Print global and per-thread buffer values
--outputfile <path>         Path to a output txt file
--reportfile <path>         Path to a report txt file
--template   <path>         Path to a template file
--verbose                   Prints out all options (default: no verbose)

PERLDOC

You can find documentation for this module with the perldoc command.

perldoc mysqltuner

INTERNALS

https://github.com/major/MySQLTuner-perl/blob/master/INTERNALS.md

Internal documentation

AUTHORS

Major Hayden - major@mhtx.net

CONTRIBUTORS

  • Matthew Montgomery
  • Paul Kehrer
  • Dave Burgess
  • Jonathan Hinds
  • Mike Jackson
  • Nils Breunese
  • Shawn Ashlee
  • Luuk Vosslamber
  • Ville Skytta
  • Trent Hornibrook
  • Jason Gill
  • Mark Imbriaco
  • Greg Eden
  • Aubin Galinotti
  • Giovanni Bechis
  • Bill Bradford
  • Ryan Novosielski
  • Michael Scheidell
  • Blair Christensen
  • Hans du Plooy
  • Victor Trac
  • Everett Barnes
  • Tom Krouper
  • Gary Barrueto
  • Simon Greenaway
  • Adam Stein
  • Isart Montane
  • Baptiste M.
  • Cole Turner
  • Major Hayden
  • Joe Ashcraft
  • Jean-Marie Renouard
  • Stephan GroBberndt
  • Christian Loos

SUPPORT

Bug reports, feature requests, and downloads at http://mysqltuner.com/

Bug tracker can be found at https://github.com/major/MySQLTuner-perl/issues

Maintained by Major Hayden (major\@mhtx.net) - Licensed under GPL

SOURCE CODE

https://github.com/major/MySQLTuner-perl

git clone https://github.com/major/MySQLTuner-perl.git

COPYRIGHT AND LICENSE

Copyright (C) 2006-2017 Major Hayden - major@mhtx.net

For the latest updates, please visit http://mysqltuner.com/

Git repository available at http://github.com/major/MySQLTuner-perl

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.