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Posted to hdfs-dev@hadoop.apache.org by "Hairong Kuang (JIRA)" <ji...@apache.org> on 2010/10/27 03:00:20 UTC

[jira] Created: (HDFS-1481) NameNode should validate fsimage before rolling

NameNode should validate fsimage before rolling
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                 Key: HDFS-1481
                 URL: https://issues.apache.org/jira/browse/HDFS-1481
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: name-node
    Affects Versions: 0.22.0
            Reporter: Hairong Kuang
            Assignee: Hairong Kuang
             Fix For: 0.22.0


We had an incident that the fsimage at secondary NameNode was truncated but got uploaded to the primary NameNode. The primary NameNode simply rolled the image without checking its integrity, therefore causing the fsimage to corrupt. The primary NameNode should check the new image's integrity before rolling fsimage.

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