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From "Jakob Homan (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HDFS-743) file size is fluctuating although file is closed
Date Sat, 08 Jan 2011 02:41:49 GMT

     [ https://issues.apache.org/jira/browse/HDFS-743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jakob Homan resolved HDFS-743.
------------------------------

    Resolution: Won't Fix

We can't set the version since 17 isn't even listed anymore.  Since it's virtually impossible
that another 0.17 branch will be released, I'm going to close this as won't fix.  Any 17 clusters
out there that are still running that may hit this would be advised to upgrade, and barring
that, apply the patch themselves.  If anyone disagrees with this resolution, feel free to
re-open.

> 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
>         Attachments: fluctuatingFileSize_0.17.txt
>
>
> 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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