HDFS Notes

HDFS Architecture:
https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-hdfs/HdfsDesign.html

HDFS Command Guide:
https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-hdfs/HDFSCommands.html

HDFS is not POSIX compliant.
The Portable Operating System Interface (POSIX) is a family of standards specified by the IEEE Computer Society for maintaining compatibility between operating systems.

HDFS User Guide:
https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-hdfs/HdfsUserGuide.html

JAVA API: http://hadoop.apache.org/docs/current/api/org/apache/hadoop/fs/FileSystem.html

C/libhdfs: https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-hdfs/LibHdfs.html

WebHDFS API:https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-hdfs/WebHDFS.html

Common HDFS Commands:
https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.3.0-Win/bk_HDP_Install_Win/content/ref-d4ba8d91-cfe7-4655-8181-0168cc6d2681.1.html

WebHDFS Rest API
https://hadoop.apache.org/docs/r1.0.4/webhdfs.html

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