CHAPTER 7
Monitoring Data
No matter how carefully you set up your big data system, you need to continually monitor HDFS, as well as the Hadoop jobs and workflows running on it, to ensure the system is running as efficiently as possible. This chapter examines the Hadoop and third-party tools available for monitoring a big data system, including tools for monitoring the system-level resources on each node in the cluster and determining how processing is spread across the cluster.
For example, user interface systems such as Hue ease both the use and the monitoring of Hadoop by centralizing access to Hadoop-based functionality via a single well-designed ...
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