I read this book to deepen my cognition at searching and retrieving, heard many times about Elasticsearch, but didn’t exactly know what it is, a more functional DB than MySQL? or just more light weight and fascinating? and now I know:
Elasticsearch is a search engine based on Lucene. It provides a distributed, multitenant-capable full-text search engine with an HTTP web interface and schema-free JSON documents.
There are many new concepts to me, such as shards, documents, types, nodes, indices etc., very sexy:
This book has hundreds of illustrations like this, concise and simple, impress me much, this is another example:
Elasticsearch Tutorial:
