Hadoop HDFS secondarynamenode

Utility to Run Secondary NameNode in Hadoop

Using hdfs secondarynamenode command.

  

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Runs the HDFS secondary namenode. See Secondary Namenode for more info.

Usage: hdfs secondarynamenode [-checkpoint [force]] | [-format] | [-geteditsize]

COMMAND_OPTION	Description
-checkpoint [force]	Checkpoints the SecondaryNameNode if EditLog size >= fs.checkpoint.size. If force is used, checkpoint irrespective of EditLog size.
-format	Format the local storage during startup.
-geteditsize	Prints the number of uncheckpointed transactions on the NameNode.



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