In the previous chapter, we focused on the different aspects of Hadoop security. So far, we have walked you through the different components in Hadoop, some advanced concepts of the Hadoop ecosystem, and a few of the best design practices that have to be taken into consideration while designing and implementing Hadoop applications. Above all, it is also important to monitor and alert any application system to avoid unnecessary losses or system failure by taking appropriate actions. In this chapter, we will cover the following topics:
- General monitoring
- Security monitoring
