Chapter 5. Impala Administration and Performance Improvements

After going through all the examples in the previous chapter, I am sure you are able to process data through Impala queries. Now you will have questions about how to improve query performance, and this is one of the two key objectives of this chapter. The other objective is to show effective management of our Impala cluster that will keep it up and running.

In this chapter, we will cover two important topics: Impala administration and performance improvements. Within the Impala administration section, I will show you how you can administer Impala using Cloudera Manager. After that, using debug web server, I will teach you to verify Impala-specific information for its correctness. We ...

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