I wanted to write about ElasticSearch for a long time. While reading, experimenting, and trying to write about it, I realized it would be way too long to cover everything in a blog post, so I decided…

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Better Programming

This article provides an introduction to how Elasticsearch works and its architecture. It explains the complexity of full-text search and the challenges it poses. The article also covers the terminology used in Elasticsearch, such as nodes, indexes, documents, and shards. It explains how shards work and the concept of primary and replica shards. Finally, it discusses how search and query by ID queries are performed in Elasticsearch.

System Design Series: ElasticSearch, Architecting for search

Let’s look at a few real query examples