[jira] [Created] (HDFS-11714) Newly added NN storage directory won't get initialized and cause space exhaustion

["Kihwal Lee (JIRA)" <ji...@apache.org>]

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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