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https://issues.apache.org/jira/browse/HADOOP-7013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12932672#action_12932672
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Hairong Kuang commented on HADOOP-7013:
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On a second thought, Hadoop does not have a story for Writable backward
compatibility yet. So this patch does not need to take care of this either.
Instead we could simply mark this jira as incompatible.
So a +1 from me.
> Add boolean field isCorrupt to BlockLocation
> --------------------------------------------
>
> Key: HADOOP-7013
> URL: https://issues.apache.org/jira/browse/HADOOP-7013
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Patrick Kling
> Attachments: HADOOP-7013.patch
>
>
> This is needed to allow DFSClient.getBlockLocations to notify the calling
> application when returning a BlockLocation that corresponds to a corrupt
> block. Currently, this happens when there are no uncorrupted replicas of a
> requested block.
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