Product related

1. What is ELK

ELK=elasticsearch+Logstash+kibana JCS for Elasticsearch: Background distributed storage and full-text retrieval. logstash: Log processing, “porter”. kibana: Data visualization display. ELK architecture creates a powerful management chain for data distributed storage, visual query and log resolution. The three cooperate with each other and complement each other to complete distributed big data processing work.

2. What is Lucene

Lucene is a set of open source program library for full-text retrieval and search, supported and provided by Apache Software Foundation. Lucene provides a simple yet powerful application program API for full-text indexing and searching. Lucene's goal is to provide software developers with an easy-to-use toolkit for easy full-text retrieval in the target system, or to build a complete full-text search engine based on this.

3. What is JCS for Elasticsearch

JCS for Elasticsearch is a distributed, scalable, real-time search and data analysis engine that supports multi-condition retrieval, statistics and statement of structured and unstructured text. It is based on the full-text search engine library Apache Lucene and provides a set of simple RestfulAPI, which supports a variety of structured or unstructured data storage and query. With a comprehensive monitoring system and integrated data visualization tool kibana, users can be more focused on the realization of business logic.

4. What search functions does JCS for Elasticsearch support

The supported search functions include powerful full-text search, highlighting, facet search, near real-time indexing, dynamic clustering, rich document (such as Word, PDF, etc.) processing and geographic information search. For more search functions supported by the Elasticsearch search engine, please refer to Elasticsearch: Authoritative Guide.