Kihwal Lee created HDFS-11714:
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Summary: Newly added NN storage directory won't get initialized
and cause space exhaustion
Key: HDFS-11714
URL: https://issues.apache.org/jira/browse/HDFS-11714
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 2.7.3
Reporter: Kihwal Lee
Priority: Critical
When an empty namenode storage directory is detected on normal NN startup, it
may not be fully initialized. The new directory is still part of "in-service"
NNStrage and when a checkpoint image is uploaded, a copy will also be written
there. However, the retention manager won't be able to purge old files since
it is lacking a VERSION file. This causes fsimages to pile up in the
directory. With a big name space, the disk will be filled in the order of days
or weeks.
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