Difference between solr and lucene

Question

I know that Lucene and Solr are 2 differents Apache projects that are made to work together, but I don\'t understand what is the aim of each project.

For what I unde

Answer 1

Solr is built on top of lucene to provide a search platform.

Search platform in the following layers from bottom to top:

• Data
  • Purpose: Represent various data types and sources
• Document building
  • Purpose: Build document information for indexing
• Indexing and searching
  • Purpose: Build and query a document index
• Logic enhancement
  • Purpose: Additional logic for processing search queries and results
• Search platform service
  • Purpose: Add additional functionalities of search engine core to provide a service platform.
• UI application
  • Purpose: End-user search interface or applications

Reference article : Enterprise search