Advanced Elasticsearch 7.0

Bulk API

The bulk API allows you to operate multiple document requests, including creation, indexing, patching, replacement, and deletion, in batch mode to reduce network traffic. You can put a series of API actions and the corresponding request body pairs in the request body of the bulk API. The syntax in the request body is as follows:

{action_type: {metadata}}\newlinerequest_body}\newline...

Let's practice using the bulk API with the same operations from the previous examples. The batch job involves the following steps:

1. Remove the ACWF ETF document with the _id of 1 from the cf_etf index
2. Create the ACWF ETF document that was removed in step 1 with the same contents included
3. Update the document with the script that will remove the market_cap ...