Check mysql-table-indexes

Overview

Checks for missing indexes in MySQL/MariaDB tables. Logic is taken from MySQLTuner script, v1.9.8.

Hints:

Fact Sheet

Check Plugin Download

https://github.com/Linuxfabrik/monitoring-plugins/tree/main/check-plugins/mysql-table-indexes

Check Interval Recommendation

Once a day

Can be called without parameters

Yes

Compiled for

Linux, Windows

Requirements

; User with no privileges, locked down to 127.0.0.1 - for example monitoring\@127.0.0.1. Usernames in MySQL/MariaDB are limited to 16 chars in specific versions.

3rd Party Python modules

pymysql

Help

usage: mysql-table-indexes [-h] [-V] [--always-ok]
                           [--defaults-file DEFAULTS_FILE]
                           [--defaults-group DEFAULTS_GROUP]
                           [--timeout TIMEOUT]

Checks for missing indexes in MySQL/MariaDB tables.

options:
  -h, --help            show this help message and exit
  -V, --version         show program's version number and exit
  --always-ok           Always returns OK.
  --defaults-file DEFAULTS_FILE
                        Specifies a cnf file to read parameters like user,
                        host and password from (instead of specifying them on
                        the command line), for example
                        `/var/spool/icinga2/.my.cnf`. Default:
                        /var/spool/icinga2/.my.cnf
  --defaults-group DEFAULTS_GROUP
                        Group/section to read from in the cnf file. Default:
                        client
  --timeout TIMEOUT     Network timeout in seconds. Default: 3 (seconds)

Usage Examples

./mysql-table-indexes --defaults-file=/var/spool/icinga2/.my.cnf

Output:

Tables without indexes: employees.current_dept_emp, employees.dept_emp_latest_date [WARNING]

States

  • WARN if tables without indexes are found.

Perfdata / Metrics

There is no perfdata.

Credits, License