what is oiv command in hdfs

HDFS Offline Image Viewer Tool – oiv 3

Usually fsimage files, which contain file system namespace on namenodes are not human-readable. So, Hadoop provided HDFS Offline Image viewer in hadoop-2.0.4 release to view the fsimage contents in readable format. This is completely offline in its functionality and doesn’t require HDFS cluster to be running. It can easily process very large fsimage files quickly and present in required output format. HDFS Offline Image Viewer: Syntax for this command:

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I am a plsql developer. Intrested to move into bigdata.

Neetika Singh ITA