Aaron T. Myers created HDFS-6563:
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Summary: NameNode cannot save fsimage in certain circumstances
when snapshots are in use
Key: HDFS-6563
URL: https://issues.apache.org/jira/browse/HDFS-6563
Project: Hadoop HDFS
Issue Type: Bug
Components: namenode, snapshots
Affects Versions: 2.4.0
Reporter: Aaron T. Myers
Assignee: Aaron T. Myers
Priority: Critical
Checkpoints will start to fail and the NameNode will not be able to manually
saveNamespace if the following set of steps occurs:
# A zero-length file appears in a snapshot
# That file is later lengthened to include at least one block
# That file is subsequently deleted from the present file system but remains in
the snapshot
More details in the first comment.
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