# NAME

    MySQLTuner 1.6.2 - 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
    --pass <password>    Password to use for authentication
    --mysqladmin <path>  Path to a custom mysqladmin executable
    --mysqlcmd <path>    Path to a custom mysql executable

# 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)
    --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
    --cvefile            CVE File for vulnerability checks
    --nocolor            Don't print output in color
    --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

# 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](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

# 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](https://github.com/major/MySQLTuner-perl)

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

# COPYRIGHT AND LICENSE

Copyright (C) 2006-2015 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/>.