Recent Posts

[Zookeeper] Introduction to Zookeeper

Zookeper is an open-source, centralised co-ordination service which is used to co-ordinate the services and manage the configurations of applications accross...

Normalisation

Normalisation is the process of eliminating the redundancy, minimising the use of null values and prevention of the loss of information by establishing relat...

How to sort a HashMap on Values

HashMap doesn’t preserve any order by default. If order is required we need to sort it explicitly according to the requirement.

Introduction To Mapreduce

MapReduce is a framework for processing large amount of data residing on hundreds of computers, its an extraordinarily powerful paradigm. MapReduce was first...