Monitoring Cassandra is one of the most important tasks as an administrator. Cassandra provides a lot of useful metrics to help us understand a problem way ahead of time. For example, if your compaction time is constantly increasing, the SSTable size is increasing in exponential sizes, or if memory usage is increasing without the GC cleaning most of it, it is important for us to know about it and address the same.
DataStax OpsCenter simplifies Cassandra monitoring and the management of Cassandra clustering the data infrastructure. OpsCenter is included as part of the DataStax distribution. It allows administrators, architects, and developers to manage, monitor, and control even the most complex database workloads with point-and-click ease from a centralized web browser. More details can be found at http://www.datastax.com/.
OpsCenter provides a good UI functionality of the
nodetool
command and collects the JMX monitoring data, and plots the data in intuitive...