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1.	What is ElasticSearch?
Answer» Among the most important aspects of modern software applications are search and analytics. In many applications - from mobile devices to web applications to data analytics tools -scalability and the ability to deal with large volumes of data in near real-time are key requirements. In the modern age, features such as autocomplete in search fields, search suggestions, and location search are widely accepted. This is where Elasticsearch comes into play since it is often the search engine that powers such experiences. As one of the most popular and powerful search engines, Elasticsearch, when combined with Beats, Logstash, and Kibana, can provide integrated solutions to any query. It is known for its distributed nature, simple REST APIs, speed, and scalability. Have you been looking for a job that requires knowledge of Elasticsearch and the wider Elastic Stack? If so, this is the perfect opportunity for you. Here we have compiled an exhaustive list of top ElasticSearch INTERVIEW Questions and answers for both Freshers and Experienced that will help you ATTAIN a dream career as an ElasticSearch Engineer. Before we begin, let's have a quick look at what ElasticSearch is all about. Elasticsearch is a modern, distributed, and analytics search engine that is based or BUILT on Apache Lucene. ElasticSearch enables you to store, search, and analyze vast or huge amounts of data in near real-time, providing results in milliseconds. Elasticsearch, one of the pillars of the Elastic Stack, is a free and open collection of tools for ingesting, storing, enriching, analyzing, and visualizing data. The latency between the time a document is indexed and the moment it can be searched is extremely short with ElasticSearch - typically one second. As opposed to most NoSQL databases, Elasticsearch NoSQL focuses more on search capabilities and provides a rich HTTP RESTful API that allows for fast SEARCHES in near real-time. Developed in Java, ElasticSearch is an open-source search engine that has been used by many large organizations around the GLOBE since it was released in 2010. Now let's look at the most common interview questions you might be asked in your Elasticsearch Technical Interview.

What is ElasticSearch?

Answer»

Among the most important aspects of modern software applications are search and analytics. In many applications - from mobile devices to web applications to data analytics tools -scalability and the ability to deal with large volumes of data in near real-time are key requirements. In the modern age, features such as autocomplete in search fields, search suggestions, and location search are widely accepted. This is where Elasticsearch comes into play since it is often the search engine that powers such experiences. As one of the most popular and powerful search engines, Elasticsearch, when combined with Beats, Logstash, and Kibana, can provide integrated solutions to any query. It is known for its distributed nature, simple REST APIs, speed, and scalability.

Have you been looking for a job that requires knowledge of Elasticsearch and the wider Elastic Stack? If so, this is the perfect opportunity for you. Here we have compiled an exhaustive list of top ElasticSearch INTERVIEW Questions and answers for both Freshers and Experienced that will help you ATTAIN a dream career as an ElasticSearch Engineer.

Before we begin, let's have a quick look at what ElasticSearch is all about.

Elasticsearch is a modern, distributed, and analytics search engine that is based or BUILT on Apache Lucene. ElasticSearch enables you to store, search, and analyze vast or huge amounts of data in near real-time, providing results in milliseconds. Elasticsearch, one of the pillars of the Elastic Stack, is a free and open collection of tools for ingesting, storing, enriching, analyzing, and visualizing data. The latency between the time a document is indexed and the moment it can be searched is extremely short with ElasticSearch - typically one second. As opposed to most NoSQL databases, Elasticsearch NoSQL focuses more on search capabilities and provides a rich HTTP RESTful API that allows for fast SEARCHES in near real-time. Developed in Java, ElasticSearch is an open-source search engine that has been used by many large organizations around the GLOBE since it was released in 2010.

Now let's look at the most common interview questions you might be asked in your Elasticsearch Technical Interview.

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