What Is Hadoop?
The Apache Hadoop project develops open-source software for reliable, scalable, distributed computing. Hadoop includes these subprojects:
* Hadoop Common: The common utilities that support the other Hadoop subprojects.
* HDFS: A distributed file system that provides high throughput access to application data.
* MapReduce: A software framework for distributed processing of large data sets on compute clusters.
Other Hadoop-related projects at Apache include:
* Avro: A data serialization system.
* Chukwa: A data collection system for managing large distributed systems.
* HBase: A scalable, distributed database that supports structured data storage for large tables.
* Hive: A data warehouse infrastructure that provides data summarization and ad hoc querying.
* Mahout: A Scalable machine learning and data mining library.
* Pig: A high-level data-flow language and execution framework for parallel computation.
* ZooKeeper: A high-performance coordination service for distributed applications.
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