Nagios Support Forum

I want to monitor the usage of indexes on MySQL.

So, I used “MySQL Server Monitoring Wizard”.

I want to know the meaning of “high” and “low”on thresholds.

What is the difference between “ low %and high %” in warning thresholds?

I have configured MySQL monitoring wizards.
After configuration, the index usage show wrong results.

The usage of index is 2.4 percent. But nagios displayed critical status.


Used command is check_xi_mysql_health.

ARG1 is “--hostname=172.16.0.23 --port=3306 --username=root --password="root" --database=rpms --mode index-usage --warning 90: --critical 80:”

Having a ":" after your threshold value with nothing to range between is essentially, in this case, saying:

Change to a warning state if less than 90.

Change to a critical state if less than 80.

I think you need to fix up the thresholds you set a bit if you are going to use the more advanced options, you should read about them here:

https://nagios-plugins.org/doc/guidelin ... HOLDFORMAT