solr

Apache Solr is an open-source enterprise-search platform, built on Apache Lucene, providing powerful full-text search, hit highlighting, faceted search, and rich document handling. It functions as a standalone search server, offering a REST-like API for indexing and querying, abstracting the…

Key facts

First appeared: 2004
Category: backend_framework
Problem solved: Apache Lucene provided a powerful search library but lacked a ready-to-use, scalable, and network-accessible server for enterprise search, requiring significant development effort to integrate and manage. Solr addressed this by providing a complete, configurable, and deployable search server with a robust API and administrative interface, making advanced search capabilities accessible and scalable.
Platforms: JVM (Windows, Linux, macOS), Docker, Kubernetes, Cloud environments

Related technologies

Databases (relational and NoSQL)
Data processing frameworks (Apache Nifi, Apache Kafka, Apache Spark)
Web frameworks (Java, Python, PHP, Ruby, Node.js)
Log management systems
Monitoring tools (Grafana, Prometheus)
Cloud platforms (AWS, Azure, GCP)
Apache Lucene (underlying library)

Notable users

Netflix
The White House
Salesforce
Comcast
Apple (internal applications)
eBay
NASA
Walmart