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What are the key features of HDFS?

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Some of the prominent features of HDFS are as follows:

Cost effective and Scalable: HDFS, in general, is deployed on a commodity hardware. So, it is very economical in terms of the cost of ownership of the project. Also, one can scale the cluster by adding more nodes.

Variety and Volume of Data: HDFS is all about storing huge data i.e. Terabytes & Petabytes of data and different kinds of data. So, I can store any type of data into HDFS, be it structured, unstructured or semi structured.

Reliability and Fault Tolerance: HDFS divides the given data into data blocks, replicates it and stores it in a distributed fashion across the Hadoop cluster. This makes HDFS very reliable and fault tolerant. 

High Throughput: Throughput is the amount of work done in a unit time. HDFS provides high throughput access to application data.

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