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Apache Open Source Project--hadoop

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Hadoop is a distributed system infrastructure developed by the Apache Foundation. Users can develop distributed programs without knowing the underlying details of the distribution. Leverage the power of the cluster for high-speed operations and storage. Hadoop implements a distributed filesystem (Hadoop Distributed File System), referred to as HDFs. HDFs is characterized by high fault tolerance and is designed to be deployed on inexpensive (low-cost) hardware. And it provides high transfer rates (HI throughput) to access application data for applications with very large datasets (large data set). HDFs relaxes (relax) POSIX requirements (requirements) so that data in the form of a stream can be accessed (streaming access) in the file system.

is the architecture of Hadoop:

Apache Open Source Project--hadoop

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