Is there any best way to update existing index without re-indexing and creating alias of index?

Elastic Stack Elasticsearch
10

@harshbajaj16

With the PUT mapping API you can create index. But once the index is created you can not be able to change or update existing field of that index without reindexing and creating alias.

For more. https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-put-mapping.html#updating-field-mappings