Global Multi-Primary MySQL Cluster Monitoring Using Nagios and NRPE
A robust monitoring setup is essential for cluster health and viability - if your replicator goes offline and you do not know about it, then that Replica becomes effectively useless because it has stale data. This means keeping a close watch on the health of the MySQL / MariaDB / Percona Server database nodes from many perspectives, from ensuring sufficient disk space to testing that replication traffic is flowing.
How To Monitor Your Database Clusters Using Tungsten Dashboard
Managing a single cluster takes time and attention, and handling multiple clusters spread out over many sites is even more demanding. Tungsten Clustering offers a graphical administration tool called the Tungsten Dashboard™ to help with your management burden. You are able to view, monitor and maintain all of your clusters all in one place.
Tungsten and SELinux, a Case Study
In this blog post, we talk about what happened during an installation of the Tungsten Cluster into an environment with SELinux running and mis-configured.