Managing bulk actions
Executing atomic operation on items via single call is often a bottleneck if you need to index or delete thousands/millions of records. The best practice in this case is to execute a bulk action. We have discussed bulk action via the REST API in the Speeding up atomic operations (bulk operations) recipe in Chapter 4, Basic Operations.
Getting ready
You will need a working ElasticSearch cluster and Maven installed.
The code of this recipe is in chapter_10/nativeclient in the code bundle of this chapter, which is available on Packt's website, and on GitHub (https://github.com/aparo/elasticsearch-cookbook-second-edition). The referred class is BulkOperations.
How to do it...
To manage a bulk action, we will perform the following ...
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