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Mastering Elasticsearch 5.x - Third Edition by Bharvi Dixit

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Chapter 8. Elasticsearch Administration

In the last chapter, we went through various scoring algorithms provided by Apache Lucene, altering them and choosing the right one for the required use case along with Elasticsearch store module. We also discussed NRT searching and indexing and the role of transaction logs. After that we looked into how segment merging works and what are all the possible ways to control the merge process for an improved performance. Finally, we discussed Elasticsearch caching and circuit breakers.

In this chapter, we will focus around concepts of administering Elasticsearch, which include learning about discovery and recovery modules, configuring a full-blown Elasticsearch cluster with defined roles of nodes and the Cat ...

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