Programming in a distributed environment is complex and care has to be taken, otherwise it can become inefficient. To develop properly distributed applications in Hadoop, we have some service programming tools which provide utilities that take care of the distribution and resource management aspect. The tools that we will be discussing are as follows:
Apache YARN
Apache Zookeeper
Yet another Resource Negotiator (YARN) has been a revolution in the major release of Hadoop 2.x version. YARN provides resource management and should be utilized as a common platform for integrating different tools and utilities in a Hadoop cluster and managing them. YARN is a resource manager that was created by separating the processing engine and resource management capabilities of MapReduce. It also provides the platform for processing frameworks other than MapReduce such as, Storm, Spark, and so on. YARN has built-in support for multi-tenancy to share cluster resource. YARN is responsible...
