| MYSQLTUNER(1) | User Contributed Perl Documentation | MYSQLTUNER(1) |
NAME¶
MySQLTuner 2.6.0 - 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 AUTHENTICATION¶
--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) --protocol tcp Force TCP connection instead of socket --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 --ssl-ca <path> Path to public key --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 --defaults-extra-file <path> Path to an extra custom config file --server-log <path> Path to explicit log file (error_log)
PERFORMANCE AND REPORTING OPTIONS¶
--skipsize Don't enumerate tables and their types/sizes (default: on)
(Recommended for servers with many tables)
--json Print result as JSON string
--prettyjson Print result as JSON formatted string
--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)
--cvefile <path> CVE File for vulnerability checks
--outputfile <path> Path to a output txt file
--reportfile <path> Path to a report txt file
--template <path> Path to a template file
--dumpdir <path> Path to a directory where to dump information files
--feature <feature> Run a specific feature (see FEATURES section)
--dumpdir <path> information_schema tables and sys views are dumped in CSV in this path
OUTPUT OPTIONS¶
--silent Don't output anything on screen --verbose Print out all options (default: no verbose, dbstat, idxstat, sysstat, tbstat, pfstat) --color Print output in color --nocolor Don't print output in color --nogood Remove OK responses --nobad Remove negative/suggestion responses --noinfo Remove informational responses --debug Print debug information --experimental Print experimental analysis (may fail) --nondedicated Consider server is not dedicated to Db server usage only --noprocess Consider no other process is running --dbstat Print database information --nodbstat Don't print database information --tbstat Print table information --notbstat Don't print table information --colstat Print column information --nocolstat Don't print column information --idxstat Print index information --noidxstat Don't print index information --nomyisamstat Don't print MyIsam information --sysstat Print system information --nosysstat Don't print system information --nostructstat Don't print table structures information --pfstat Print Performance schema --nopfstat Don't print Performance schema --bannedports Ports banned separated by comma (,) --server-log Define specific error_log to analyze --maxportallowed Number of open ports allowable on this host --buffers Print global and per-thread buffer values
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 Jean-Marie Renouard - jmrenouard@gmail.com
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
- Long Radix
SUPPORT¶
Bug reports, feature requests, and downloads at http://mysqltuner.pl/
Bug tracker can be found at https://github.com/major/MySQLTuner-perl/issues
Maintained by Jean-Marie Renouard (jmrenouard\@gmail.com) - 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) 2006-2023 Major Hayden - major@mhtx.net # Copyright (C) 2015-2023 Jean-Marie Renouard - jmrenouard@gmail.com
For the latest updates, please visit http://mysqltuner.pl/
Git repository available at https://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 <https://www.gnu.org/licenses/>.
| 2024-08-06 | perl v5.38.2 |