Managing bulk action

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 discussed bulk action via REST API in the Speeding up atomic operations (bulk) recipe in Chapter 4, Standard Operations.

Getting ready

You need a working ElasticSearch cluster and a working copy of Maven.

The code of this recipe is in chapter_10/nativeclient in the code bundle of this book available on Packt's website and the referred class is BulkOperations.

How to do it...

For managing a bulk action, we will perform the steps given as follows:

1. We'll execute a bulk action adding 1000 elements, updating them and deleting them:

   import org.elasticsearch.action.bulk.BulkRequestBuilder;
   import org.elasticsearch.client.Client;
   import org.elasticsearch.common.xcontent.XContentFactory;
   
   import java.io.IOException;
   
   public class BulkOperations {
     public static void main( String[] args...