Elasticsearch finding distinct values Using Java program
⭐⭐⭐⭐⭐ Elasticsearch finding distinct values Using Java program ⭐⭐⭐⭐⭐
In this Tutorial we will learn How to find distinct/unique values in existing Index or bucket aggregations example in Elasticsearch DB Using Java Language. When you query Elasticsearch DB for desired filters, you want to filter your results with unique values. In these cases, you’ll use bucket aggregation to accomplish the task.
If you’re already comfortable with the concept of aggregation and would prefer to skip the explanation, feel free to jump to Just the Code. We will be using the latest version of Elasticsearch 7.11, Java 8, Eclipse and maven.
Elastic bucket aggregations:
Find the unique records from given dataset in Elasticsearch DB from Java.
Elasticsearch Java integrations of aggregation.
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Elasticsearch and kibana installation video link:
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⏲️Time Stamps⏲️
0:30 - Introduction
1:07 - What is terms aggregations?
2:40 - Creating Java Project
6:00 - How to connect Elastic from java
9:16 - Applying aggregation
10:50 - Kibana operations
12:35 - Debugging Program
13:48 Verifying results in Kibana
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