Elasticsearch

What is elasticsearch?

• real-time distributed and open soucre full-text search and analytics engine

• open source relational database

• real-time and open source search no-text and analytics engine

What is Kibana?

• graph visualization tool

• dashbord visualisation tool

• open source browser visualisation tool

What are benefits of Elasticsearch?

• Scalability, Performance, distributed Architecture, realtional Database

• Scalability, Performance, distributed Architecture, document-oriented Database & Schema free

• Speed, Performance, distributed Architecture, document-oriented Database & Schema free

What are use cases of Elasticsearch?

• API-Management

• Logging and Log Analysis

• Data Visualisation

• Full-text search

What is an index in elasticsearch?

• a mapping that defines multiple types

• a value that defines one variable

• a counter

• like a database in a relational database

How is data stored in Elasticsearch?

• tables

• documents

What are important features of Elasticsearch?

• Full-text search

• Closed source

• Code reusability

• Open source

What is the Elastic Stack?

• collection of open-source products (elasticsearch, LogStash, Kibana, Beats)

• collection of closed-source products (elasticsearch, Logstash, Kibana, Beats)

• collection of open-source products (elasticsearch, LogStash, Kibana, HeartBeat)

• collection of closed-source products (elasticsearch, LogStash, Kibana, HeartBeat)

How does slack use Elasticsearch?

• To increase the search speed

• For Full-text search

• To monitor

Which query languge does Elasticsearch use?

• SQL

• Query DSL