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BDA 4.7 Namenode Shows Errors in Cloudera Manager - "FATAL org.apache.hadoop.hdfs.server.namenode.FSEditLog: Error: flush failed for required journal" (Doc ID 2304678.1)

Last updated on JANUARY 15, 2020

Applies to:

Big Data Appliance Integrated Software - Version 4.7.0 and later
Linux x86-64

Symptoms

NOTE: In the examples that follow, user details, cluster names, hostnames, directory paths, filenames, etc. represent a fictitious sample (and are used to provide an illustrative example only). Any similarity to actual persons, or entities, living or dead, is purely coincidental and not intended in any manner.

A NameNode on BDA 4.7/CDH 5.9.2 receives an error like below. The example here is from an 18 node production cluster.

 

Cause

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In this Document
Symptoms
Cause
Solution
References


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