DataScience

  What is the Redis cache? So, what is Redic cache? When it comes to Redis, Redis is short for Remote Dictionary Server. Redis is  a caching system that works by temporarily storing information in a key-value data structure . Redis cache is popular because it is available in almost all major programming languages Understanding Redis as a cache Redis is designed around the concept of data structures and can store your dataset across Strings, Hashes, Sorted Sets, Sets, Lists, Streams, and other data structures or Redis modules. // connecting redis client to local instance. const client = redis.createClient( 6379 ) // Retrieving a string value from Redis if it already exists for this key return client.get( 'myStringKey' , (err, value) => {      if (value) {          console.log( 'The value associated with this key is: ' + value)      } else { // key not found      ...

  Elasticsearch is  a real-time distributed and open source full-text search and analytics engine . It is used in Single Page Application (SPA) projects. Elasticsearch is an open source developed in Java and used by many big organizations around the world. It is licensed under the Apache license version 2.0. Elasticsearch tutorial provides basic and advanced concepts of the Elasticsearch database. This tutorial is basically designed for beginners as well as professionals who want to learn the basics and advance concepts of Elasticsearch. Elasticsearch is a NoSQL database, which is licensed under the Apache version 2.0. This tutorial contains several sections. The guide we are giving in this tutorial is intended to provide knowledge on how to work with Elasticsearch. To work with Elasticsearch, you should have the basic knowledge of Java, web technology, and JSON What is Elasticsearch? Elasticsearch is a  NoSQL Database , which is developed in  Java programming langua...