September 2014
Intermediate to advanced
298 pages
6h 13m
English
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Replication
With check_mysql, there is a simple way to know the replication status with an additional argument:
> /usr/lib/nagios/plugins/check_mysql -S Uptime: 143 Threads: 19 Questions: 302 Slow queries: 0 Opens: 55 Flush tables: 2 Open tables: 39 Queries per second avg: 2.111 Slave IO: Yes Slave SQL: Yes Seconds Behind Master: 0
This will inform you about slave I/O and SQL status (the most important information).
The other information is Seconds Behind Master, which denotes the delta between the master and the slave. This is an all-in-one check and may be enough for your needs.
However, you may want to set thresholds to Seconds Behind Master or disable it. Here it is not possible, but you can use the check_mysql_health check instead.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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