Hi in this hadoop tutorial we will describing now HDFS Architecture. There are following are two main components of HDFS.…
What is HDFS? HDFS is a file system designed for storing very large files with streaming data access patterns, running…
Here we will describe about Hadoop Architecture. In high level of hadoop architecture there are two main modules HDFS and…
What is Hadoop? first of all we are understanding what is DFS(Distributed File System), Why DFS? DFS(Distributed File Systems)- A…
What is Big Data? Lots of Data (Terabytes or Petabytes) Big Data is the term for a collection of data…
1.When is the earliest point at which the reduce method of a given Reducer can be called? A. As soon…
In this tutorial, it shows the use of java.lang.Comparable and java.util.Comparator to sort a Java object based on its property…
Serialization in java is a mechanism of writing the state of an object into a byte stream. What is Serialization?…
The object cloning is a way to create exact copy of an object. For this purpose, clone() method of Object…
Immutable class is a class which once created, it’s contents can not be changed. Immutable objects are the objects whose…