Elasticsearch

Lesson in the Backend Developer Roadmap · Stage 20: Real-Time Data

Last updated 14 September 2026

What is Elasticsearch?

Elasticsearch is a document-oriented search engine and database supporting INSERT, DELETE, RETRIEVE operations and analytics. Unlike general databases, it's optimized for search with powerful features for fast data retrieval based on search criteria.

Study this in the interactive course See the whole Backend roadmap

Free resources to learn Elasticsearch

RoadmapVisit the Dedicated Elasticsearch Roadmap
Official docsElasticsearch Website
Official docsElasticsearch Documentation
VideoWhat is Elasticsearch

Elasticsearch: common questions

Can I learn Elasticsearch in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Elasticsearch in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this Elasticsearch tutorial for beginners?

It is lesson 124 of 155 in the free Backend roadmap, in stage 20, Real-Time Data. If you are new to Backend, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.