Different components of hadoop system

·         Hadoop Common – The common utilities that support the other Hadoop sub – projects

·         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.

·         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