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What does hadoop do?

Provides massive data storage and computation. Basic java language is required.

Hadoop implements a Hadoop Distributed File System, or HDFS for short, that is highly fault-tolerant and is designed to be deployed on low-cost hardware; and it provides high throughput for accessing application data, making it suitable for applications with large data sets. large data set).

The core design of the Hadoop framework is HDFS and MapReduce, with HDFS providing storage for large amounts of data and MapReduce providing computation for large amounts of data.

Extended Information

Hadoop is a distributed computing platform that enables users to easily architect and use it. Users can easily develop and run applications that process massive amounts of data on Hadoop. Hadoop, a software framework that enables distributed processing of large amounts of data, does so in a reliable, efficient, and scalable way.

Hadoop is reliable because it assumes that computational elements and storage will fail, so it maintains multiple working copies of data, ensuring that processing can be redistributed against failed nodes.Hadoop is efficient because it works in a parallel fashion, speeding up processing through parallel processing.

References:

Baidu Encyclopedia-Hadoop