Apache Solr

Apache Solr is an open-source search platform built upon a Java library called Lucene. Solr is a popular search platform for Web sites because it can index and search multiple sites and return recommendations for related content based on the search query's taxonomy. Apache Solr (Searching On Lucene w/ Replication) is a free, open-source search engine based on the Apache Lucene library. An Apache Lucene subproject has been available since 2004 and is one of the most popular search engines available today worldwide.

Solr works with Hypertext Transfer Protocol (HTTP) Extensible Markup Language (XML). It offers application program interfaces (APIs) for JavaScript Object Notation (JSON), Python, and Ruby. According to the Apache Lucene project, Solr offers capabilities that have made it popular with administrators including.

A search engine at heart, users started using Elasticsearch for logs and wanted to easily ingest and visualize them. Enter Logstash, the powerful ingest pipeline, and Kibana, the flexible visualization tool.

Logstash and Kibanat


  • Indexing in near real time
  • Automated index replication
  • Automated failover and recovery
  • User-extensible caching
  • Geospatial searching
  • Advanced full-text searching
  • Scalability, flexibility and extensibility
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