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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-5504) CheckpointSignature should contain number of files.
Date Mon, 16 Mar 2009 19:25:50 GMT
CheckpointSignature should contain number of files.

                 Key: HADOOP-5504
                 URL: https://issues.apache.org/jira/browse/HADOOP-5504
             Project: Hadoop Core
          Issue Type: Improvement
          Components: dfs
    Affects Versions: 0.17.0
            Reporter: Konstantin Shvachko

{{CheckpointSignature}} currently includes the name-nodes's edits file modification time for
identification purposes.
It should contain more fields helping to identify that the checkpointed image is the one the
name-node requested to checkpoint.
An improvement in this direction would be to include the number of files in the namepsace
at the time when the checkpoint started.

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