What are Mapping Updates?
- Mapping updates in Elasticsearch refer to the process of modifying the mapping of an existing field or adding new fields to an index.
- When we index documents into Elasticsearch, it automatically creates a mapping for those documents based on the data it encounters.
- As our data evolves, we may need to update the mapping to accommodate new fields or changes in existing fields.
Mapping Update and Dynamic Mapping Templates in Elasticsearch
Mapping updates and dynamic mapping templates are important concepts in Elasticsearch for managing data structure within an index. The mapping defines how documents are indexed and stored, including the data type of each field. As data evolves, it’s important to update mappings to ensure Elasticsearch can accurately interpret and index documents.
Dynamic mapping templates provide a way to define custom mappings based on specific criteria and offers flexibility in how fields are mapped dynamically.
In this article, we will learn about Mapping Updates and dynamic mapping templates by understanding the Mapping Updates, it’s Need, How to Perform Mapping Updates and Dynamic and Dynamic Mapping Templates in detail.