Continuous delivery (CD) is the practice of automating the process of deploying code changes to production environments. CD aims to provide fast and reliable software delivery, with minimal risk and downtime. CD is an essential part of DevOps and agile software development. Popular CD tools include Ansible, Puppet, and Chef. Connect with us Big data refers to the vast amounts of data that are generated by businesses and other organizations, often at high velocity and with a variety of formats. Big data technologies are used to store, process, and analyze this data in order to extract insights and make better decisions. Popular big data platforms include Hadoop, Spark, and Cassandra.