Elasticsearch 7 and Elastic Stack - In Depth and Hands On! - Updating Data in Elasticsearch

The video tutorial explains how to update documents in Elasticsearch, emphasizing that documents are immutable. Instead of modifying a document directly, a new version is created with an incremented version number. The tutorial demonstrates how to perform both full and partial updates using curl commands, highlighting the importance of versioning in managing document updates. It also covers the cleanup process where old versions are marked for deletion. The tutorial provides practical examples of updating a document's title and discusses the implications of document immutability and versioning in Elasticsearch.

What happens to the old version of a document after an update in Elasticsearch?

What is the significance of specifying every field in an update request?

How can you verify that an update has been successfully applied in Elasticsearch?