WARNING: The 2.x versions of Elasticsearch have passed their EOL dates. If you are running a 2.x version, we strongly advise you to upgrade.
This documentation is no longer maintained and may be removed. For the latest information, see the current Elasticsearch documentation.
Online Resourcesedit
Because this book focuses on problem solving in Elasticsearch rather than syntax, we sometimes refer to the detailed descriptions in the Elasticsearch Reference. You can find the latest Elasticsearch Reference and related documentation at:
If you have questions that aren’t addressed in this book or in the reference documentation, we encourage you to visit the Elasticsearch Discussion Forum where you can ask questions, learn how other people are using Elasticsearch, and share your own experience. To join the conversation, go to: