Elasticsearch is an open source search engine. It is based on Apache Lucene. It is distributed and supports multi-tenant capability. It uses schema-free JSON documents and has a built-in, HTTP-based web interface. It also supports analytical RESTful query workloads. It is a Java-based database server. Its main protocol is HTTP/JSON.
Elasticsearch
Why Elasticsearch?
Elasticsearch is the most popular data indexing tool as of today. It is because of its the following features:
- It is fast. Data is indexed at a real-time speed.
- It is scalable. It scales horizontally.
- It is flexible. It supports any data format, structured, semi-structured, or unstructured.
- It is distributed. If one node fails, the cluster is still available for...