Partial update vs Index

Elastic Stack Elasticsearch
1

I currently have a document of Elastic Search. My document has approximately 12000 fields.

I'll try to update partially.

Currently I am using Rest High level Client in Spring Framework.

  1. Just Push all data to POST

  2. Using partial update

Which can be faster in performance?

2

I'd bet on partial update as you have less to send over the network. That said it's not recommended to have so many fields and I think that there's a limit of 1000 fields nowadays.