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 NOVEMBER 08, 2022
Applies to:
Big Data Appliance Integrated Software - Version 4.7.0 and laterLinux 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 |