elasticsearch introduction
Elasticsearch is an open source search engine which is built on Apache Lucene.Lucene is an open source search library.Elasticsearch takes Lucene library and extends it to store and index and search data with good performance.Using Elasticsearch we can send data over HTTP in JSON for index, search.

Elasticsearch has following features.
  • Fast Searching : Elasticsearch index all data by default that helps to search faster.
  • Without Exact Match : Elasticsearch can be configured to match beyond exact match.It is useful when user does typo or does not know exact word for searching.
  • Relevant Result : Elasticsearch calculates relevancy score for a document and returns result which has close to our criteria.
  • Suggestion : We can help users for popular search when user starts typing.



Visit Others Links

Elasticsearch Introduction
Elasticsearch 6.0 Setup
Elasticsearch Indexing And Searching
Elasticsearch 6.0 indexing example using curl
Elasticsearch 6.0 searching example using curl
Elasticsearch 6.0 updating example using curl
Elasticsearch 6.0 updating example using curl when document does not exist
Elasticsearch 6.0 deleting example using curl
Elasticsearch 6.0 request body based searching
Elasticsearch 6.0 query component example
Elasticsearch 6.0 Analyze API example
Top Elasticsearch Interview Question
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