what is offline image viewer


HDFS Offline Image Viewer Tool – oiv

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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Dharmeswaran ETL / Hadoop Developer Spark Nov 2016 September 21, 2017

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