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.
- ZooKeeper: A high-performance coordination service for distributed applications.
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.
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