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https://issues.apache.org/jira/browse/HADOOP-1252?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Devaraj Das updated HADOOP-1252:
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Attachment: 1252.may7.patch
Had attached the wrong patch earlier .. attaching the correct one this time ..
> Disk problems should be handled better by the MR framework
> ----------------------------------------------------------
>
> Key: HADOOP-1252
> URL: https://issues.apache.org/jira/browse/HADOOP-1252
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.12.3
> Reporter: Devaraj Das
> Assigned To: Devaraj Das
> Fix For: 0.13.0
>
> Attachments: 1252.may7.patch, 1252.new.patch, 1252.patch, 1252.patch
>
>
> The MR framework should recover from Disk Failure problems without causing
> jobs to hang. Note that this issue is about a short-term solution to solving
> the problem. For example, by looking at the code and improving the exception
> handling (to better detect faulty disks and missing files). The long term
> approach might be to have a FS layer that takes care of failed disks and
> makes it transparent to the tasks. That will be a separate issue by itself.
> Some of the issues that have been reported are HADOOP-1087 and a comment by
> Koji on HADOOP-1200 (not sure whether those are all). Please add to this
> issue as much details as possible on disk failures leading to hung jobs
> (details like relevant exception traces, way to reproduce, etc.).
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