This document serves to highlight key breaking changes for our customers. It does not represent the full list of breaking changes. As always, we recommend you test your searches on the new version of Elasticsearch before moving forward.

Elasticsearch 5 brings with it the removal of the string type and has been replaced with text and keyword.

General Solutions

Analyze your mappings and look for string mapping types. You will want to review how you use those fields to determine if you should use text or keyword going forward.

text: you want full text search analysis on

keyword: you want to search for the value exactly as is, a PO Number, or url for example

From 2.x

There are no specific tricks for this upgrade process, outside of the General Solution listed above. We would simply recommend you follow our traditional process for testing your searches on a new version of Elasticsearch.

From 1.x

There are no specific tricks for this upgrade process, outside of the General Solution listed above. We would simply recommend you follow our traditional process for testing your searches on a new version of Elasticsearch.