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https://issues.apache.org/jira/browse/HDFS-3701?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uma Maheswara Rao G resolved HDFS-3701.
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Resolution: Fixed
Fix Version/s: 1.1.0
I have just committed to branch-1, Committed revision 1389678.
Have not seen any new failure in my env with this path.
Thanks a lot Nicolas for your contribution in this issue and closer track on it.
Thanks a lot to Nicholas for your reviews!
> HDFS may miss the final block when reading a file opened for writing if one
> of the datanode is dead
> ---------------------------------------------------------------------------------------------------
>
> Key: HDFS-3701
> URL: https://issues.apache.org/jira/browse/HDFS-3701
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs client
> Affects Versions: 1.0.3
> Reporter: nkeywal
> Assignee: nkeywal
> Priority: Critical
> Fix For: 1.1.0
>
> Attachments: HDFS-3701.branch-1.v2.merged.patch,
> HDFS-3701.branch-1.v3.patch, HDFS-3701.branch-1.v4.patch,
> HDFS-3701.ontopof.v1.patch, HDFS-3701.patch
>
>
> When the file is opened for writing, the DFSClient calls one of the datanode
> owning the last block to get its size. If this datanode is dead, the socket
> exception is shallowed and the size of this last block is equals to zero.
> This seems to be fixed on trunk, but I didn't find a related Jira. On 1.0.3,
> it's not fixed. It's on the same area as HDFS-1950 or HDFS-3222.
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