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From "Konstantin Shvachko (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-2698) BackupNode is downloading image from NameNode for every checkpoint
Date Sat, 17 Dec 2011 01:08:30 GMT
BackupNode is downloading image from NameNode for every checkpoint
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                 Key: HDFS-2698
                 URL: https://issues.apache.org/jira/browse/HDFS-2698
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: name-node
    Affects Versions: 0.22.0
            Reporter: Konstantin Shvachko
            Assignee: Konstantin Shvachko


BackupNode can make periodic checkpoints without downloading image and edits files from the
NameNode, but with just saving the namespace to local disks. This is not happening because
NN renews checkpoint time after every checkpoint, thus making its image ahead of the BN's
even though they are in sync.

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