Chapter 8. Looking Forward

This final chapter discusses the next major release of Elasticsearch, version 5.0, which is a significant upgrade over 2.3.2. It introduces a number of API enhancements, in addition to several performance and reliability updates. Many of these changes will, for better or for worse, affect your interaction with and monitoring of an Elasticsearch cluster.

The specific topics we'll discuss in this chapter include:

  • Elasticsearch 5 overview
  • Upgrading to Elasticsearch 5
  • Monitoring Elasticsearch 5

Elasticsearch 5 overview

Elasticsearch 5 will follow Elasticsearch 2 as the next major software release. Although this may be chronologically jarring, Elastic.co purposefully jumped from version 2 to 5 to better synchronize the updated ...

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