Hadoop admin roles and responsibilities

WHAT IS HADOOP?

Hadoop is a complete eco-system of open source projects that provide us the framework to deal with big data.Hadoop is 100% open source Java?based programming framework that supports the processing of large data sets in a distributed computing environment. To process and store the data, It utilises inexpensive, industry?standard servers. The key features of Hadoop are it is very much Cost effective system, Scalability, MPP (Massively Parallel Processing), Data locality optimization, Automatic failover management and supports large clusters of nodes.

How Hadoop Works:

The Hadoop framework consists of two important components i.e. HDFS and MapReduce framework. Hadoop framework divides the data into smaller chunks and stores each part of the data in the separate node within the cluster. By doing this, the time frame to storing the data onto the disk significantly reduces. To provide high availability, Hadoop reproduces each and every part of data on to other machines that are available in the cluster. The number of copies it replicates depends on the replication factor. The advantage of distributing this data across the cluster is that while processing the data it reduces the lot of time as this data can be processed simultaneously.

About Hadoop Administrator :

Big Data Admin is perfect for the aspirants who want to build their career in Big data Sector. A Hadoop Admin is capable of following a strategy to maintain and store the data. The career opportunities for Hadoop Certified candidates very high compared to non-certified candidates over the last few years.

Responsibilities of Big Data Administrator:

a.Maintain security of Hadoop cluster

b. Maintain HDFS

c. Implement Hadoop Infrastructure

d. Synchronize with the data transferring teams to set up new Hadoop users

e. File System maintenance should be done

f. Working with the application teams to install operating system and Hadoop updates

g. Maintain Data and Security privacy

h. Performance tuning of Hadoop cluster

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