Search is a generic term for information retrieval. Elasticsearch provides various retrieval capabilities, including full-text searches, geo searches, range searches, scripted searches, and aggregations. How does Elasticsearch execute a search query behind the scenes? The following diagram shows data flow for searching operations. ...
How is a document deleted from Elasticsearch? The following diagram shows data flow behinds the scene of deleting a single document. ...
When a document is stored in Elasticsearch, it is indexed and fully searchable within 1 second. Elasticsearch uses an inverted index data structure that supports full-text searches efficiently and very fast. ...
Some months ago, I had an interview with Elastic for Java Software/Support Engineer position. The interview was an interesting experience I’ve ever had, Elastic is a brilliant company with great people and amazing culture. ...
As an Elasticsearch consultant, I often work with different versions of Elasticsearch. To make my developer life easier, I created evm. It allows me to install, remove, test multiple versions easily. ...