The Apache Hadoop software library is Java based programming framework that supports the processing and storage of extremely large data set in a distributed processing of large data sets across clusters of computers using simple programming models. It is designed to scale up from single severs to thousands of machines, each offering local computation and storage. Hadoop is capable to work on cluster and handle thousands of terabyte data. Companies use these tool :- Airbnb, Uber, Netflix, Spotify.
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