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Important features of VMware virtualization

Some important features of VMware virtualization   The four basic areas of what virtualization buys you include: Partitioning: This feature allows us to run multiple virtual machines on a single physical server. Isolation: Each virtual machine is isolated from the...

Some common doubts about Scala answered

Common Doubts About Scala    Why is Scala faster than Java? Scala is faster because it can utilize multi-core architecture; you get four times the speed when you can use all the four cores simultaneously. But the question remains, how can Scala be faster unless it is...

Why learn Hadoop?

Why  Hadoop?   Many students as well as professionals what to know why learn Hadoop? What is so special about it? This is especially true for people who are already working in some other domain like Java, .net, oracle, etc for quite a long time now.   Hadoop is...

What is HDFS?

 HDFS is…   To understand how it is possible to scale a Hadoop cluster to hundreds or even thousands of nodes, we have to start by understanding HDFS or the Hadoop Distributed File System. Data in Hadoop cluster is broken down into smaller pieces called blocks...

What is Hadoop and how does it work?

 Hadoop and how does it work?   Hadoop is fundamentally infrastructure software for storing and processing large datasets. It is an open-source project under Apache and it is enormously popular. To understand Hadoop you have to understand two fundamental things about...