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https://issues.apache.org/jira/browse/HDFS-1944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13652523#comment-13652523
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John Vines commented on HDFS-1944:
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Is this issue still extant in current releases of hadoop?
> Reading of the previously synced data will fail if the last block got
> corrupted.
> ---------------------------------------------------------------------------------
>
> Key: HDFS-1944
> URL: https://issues.apache.org/jira/browse/HDFS-1944
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode, hdfs-client, namenode
> Affects Versions: 0.20-append
> Reporter: Uma Maheswara Rao G
>
> For example a file can comprise 5 blcoks . In that we have written 4.5 blocks
> and invoked sync.
> Reading of this 4.5 blocks will be successful at this point of time.
> Now when writing the remaining 0.5 block write has failed due to checksum
> errors, Then the reading of the previously synced 4.5 blocks also fails.
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