Hadoop File

See: File, Hadoop, Hadoop Distributed File System, Apache Hive System.

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References

2010

• http://hadoop.apache.org/common/docs/current/hdfs_design.html#Introduction
  • … HDFS applications need a write-once-read-many access model for files. A file once created, written, and closed need not be changed. This assumption simplifies data coherency issues and enables high throughput data access. A MapReduce application or a web crawler application fits perfectly with this model. There is a plan to support appending-writes to files in the future. …

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