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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-4404) saveFSImage() should remove files from a storage directory that do not correspond to its type.
Date Mon, 13 Oct 2008 21:54:44 GMT
saveFSImage() should remove files from a storage directory that do not correspond to its type.
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                 Key: HADOOP-4404
                 URL: https://issues.apache.org/jira/browse/HADOOP-4404
             Project: Hadoop Core
          Issue Type: Improvement
          Components: dfs
    Affects Versions: 0.19.0
            Reporter: Konstantin Shvachko
            Priority: Blocker
             Fix For: 0.19.0


NameNode's image and edits directories can be separated (HADOOP-3948).
So the name-node can have 3 types of storage directories. 
And each directory should contain only those files that correspond to its type:
# combined image and edits directory: should contain {{fsimage}} and {{edits}}
# image only directory should contain only {{fsimage}}
# edits only directory should contain only {{edits}}

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