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check_mysql_stats
Last Release Date
2008-03-31
Compatible With
- Nagios 1.x
- Nagios 2.x
Owner
Website
Download URL
Hits
101756
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It has one odd requirement that was designed to minimize the additional overhead of the frequent queries to the database server.
All of the output from 'SHOW GLOBAL VARIABLES' is stored in a shared memory cache with a lifetime of 10 minutes. Some of these values (such as max_connections) are slow changing so there's no need to continually ask for this information.
Here are a few examples:
**Thread Cache Hit Ratio**
``check_mysql_stats -H localhost -U nagios -P nagios -w 80 -c 75 -t``
**OUTPUT**
OK: Thread cache hit ratio is 92.86% | hit_ratio=92.86;80;75;0;100
All of the output from 'SHOW GLOBAL VARIABLES' is stored in a shared memory cache with a lifetime of 10 minutes. Some of these values (such as max_connections) are slow changing so there's no need to continually ask for this information.
Here are a few examples:
**Thread Cache Hit Ratio**
``check_mysql_stats -H localhost -U nagios -P nagios -w 80 -c 75 -t``
**OUTPUT**
OK: Thread cache hit ratio is 92.86% | hit_ratio=92.86;80;75;0;100
Reviews (2)
byopalanque, October 23, 2013
The plugin works fine but sometimes there is timeouts.
Even with localhost database...
The results are good and relevant, but the plugin performance is poor.
Even with localhost database...
The results are good and relevant, but the plugin performance is poor.
