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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Created: (HDFS-743) file size is fluctuating although file is closed
Date Thu, 29 Oct 2009 08:02:59 GMT
file size is fluctuating although file is closed
------------------------------------------------

                 Key: HDFS-743
                 URL: https://issues.apache.org/jira/browse/HDFS-743
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: name-node
            Reporter: dhruba borthakur
            Assignee: dhruba borthakur
            Priority: Blocker


I am seeing that the length of a file sometimes becomes zero after a namenode restart. These
files have only one block. All the three replicas of that block on the datanode(s) has non-zero
size. Increasing the replication factor of the file causes the file to show its correct non-zero
length.

I am marking this as a blocker because it is still to be investigated which releases it affects.
I am seeing this on 0.17.x very frequently. I might have seen this on 0.20.x but do not have
a reproducible case yet.

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