Big Data Journal

Selenium IDE is one of the best tools for introducing testers to automated testing. Basically, it is a Firefox extension which was built by Shinya Kasatani. It provides an easy-to-use interface for creating an automated test with the help of capturing user actions what they perform and export as reusable scripts in many programming languages. Few people prefer only work with Firefox but now there is a compatible replacement offered by Katalon recorder for firefox and chromes which main aim to support all the features of the latest Selenium IDE. Benefits for a tester to learn test automation with Selenium IDE- It actually understands the test automation and its advantages. A proper understanding of what test automation is and avoids potential blunders. Follow working through common concepts such as locators, assertion, data-driven and many more. Creating the same tests in the popular framework and programming languages. All the steps are successfully tested without gett

Firstly let us understand what Apache Spark is and what is Apache Flink? Apache Spark: It is an open source processing engine that provides an interface for programming entire cluster with implicit fault-tolerance and data parallelism. It was originally development at Berkeley 's AMP Lab , which was later donated to Apache Software Foundation. Apache Flink: Flink means agile. It is a data processing tool and process big data efficiently with high fault tolerance and low data latency on a large scale. It process streaming data in real time. Later it became the part of Apache Software Foundation. Similarities between Apache Spark and Apache Flink: Both projects are of Apache Software Foundation. Both are general purpose data processing platform. .Both come with in-built memory Both are used for big data scenarios. Both share a good performance. Both can run in standalone mode. Both have a wide field of applications. Although, they have