Chapter 2. Monitoring and Managing Accumulo
In the previous chapter, we went through how to set up a single- and multi-node cluster for three different applications: Hadoop, ZooKeeper, and Accumulo. In this chapter, we will focus on how to keep the cluster in a healthy state and how to find problems that can occur as quickly as possible.
There are a few things that we need to monitor:
- Performance: By monitoring the performance of our machine(s), we can immediately detect performance issues and analyze performance trends over time.
- Process: Monitor the processes of the machine(s) to make sure that one of the specified jobs or processes are running as intended, and also monitor the memory consumption of processes to detect memory leaks (more advanced). ...