Key features of Apache Hadoop in 2019
Apache Hadoop is the most popular big data tool. Hadoop provides the world's most reliable storage layer. Some of the most important features that make this tool the most suitable for processing large volumes of data are: Open source According to Hadoop training in Bangalore, Apache Hadoop is an open source project which means that your code can be modified according to the business requirements. Distributed processing As data is stored distributed in HDFS throughout the cluster, the data is processed in parallel in a cluster of nodes. Fault tolerance This is one of the most important features of Hadoop. By default, 3 replicas of each block are stored in the cluster in Hadoop and can also be changed according to the requirement. Then, if any node falls, the data from that node can be easily retrieved from other nodes with the help of this feature. Nodes or tasks failures are automatically recovered by the framework. This is how Hadoop is fault tolerant. Rel...