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What is the effect of 'hadoop fsck' command to a running system (Doc ID 2143017.1)

Last updated on JULY 27, 2018

Applies to:

Big Data Appliance Integrated Software - Version 4.0 and later
Linux x86-64

Goal

Address the question on whether running 'hadoop fsck' poses any problem to a running system. Basically are there any concerns running this command on a live system.

The question may arise in the context of  finding missing/corrupt blocks and under-replicated blocks as a prerequisite for node migration/reprovision by running:

 

Solution

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