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check_mysql_counters

check_mysql_counters is a nagios plugin and pnp4nagios template designed to show you performance trends in your MySQL servers.

To use, copy check_mysql_counters to your nagios libexec directory if you are using MySQL 5.1, check_mysql_counters_55 if you are using MySQL 5.5, or check_mysql_counters_p55 if you are using Percona 5.5.

Then create a MYSQL_COUNTERS nagios service that executes the plugin:

  • Oracle 5.1: check_mysql_counters -H host -P port -u mysqluser -p mysqlpassword
  • Oracle 5.5: check_mysql_counters_55 -H host -P port -u mysqluser -p mysqlpassword
  • Percona 5.5: check_mysql_counters_p55 -H host -P port -u mysqluser -p mysqlpassword

As far as I know, the database user does not need any special privileges to gather statistics.

Then copy the correct check_mysql_counters.php template from the directory

  • oracle_5_1_with_innodb_plugin
  • oracle_5_1_without_innodb_plugin
  • oracle_5_5
  • percona_5_5

to your pnp4nagios template directory - the default location is /usr/local/pnp4nagios/share/templates

The plugin currently does not support being called by NRPE (the data returned is too large), a future version will address this.

Requirements

  • MySQL 5.1 - supported
  • MySQL 5.5 - untested
  • Percona Server 5.5 - supported

php/mysqli on your Nagios server for the plugin

It has been tested with pnp4nagios 0.6