I'd like to know. Which is better performance using between bulk load and index?
It is clearly that it has better performance we index some/many documents from bulk api.
How about index 1 document from using bulk and index?
Bulk Load: https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-bulk.html
index: https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-index_.html