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https://issues.apache.org/jira/browse/MAPREDUCE-2389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13028905#comment-13028905
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John Novatnack commented on MAPREDUCE-2389:
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We are also seeing this exception with CDH3 (0.20.2+923.21-1~maverick-cdh3)
> Spurious EOFExceptions reading SpillRecord index files
> ------------------------------------------------------
>
> Key: MAPREDUCE-2389
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2389
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tasktracker
> Affects Versions: 0.22.0
> Environment: Seen on RHEL 5.5, RHEL 6.0, local dirs on ext3, Java
> 6u20 and 6u24
> Reporter: Todd Lipcon
> Priority: Critical
> Attachments: stap-output.txt
>
>
> In large jobs, I see around 1 shuffle fetch out of every million fetches fail
> with an EOFException reading the SpillRecord index file. After lots of
> investigation, including systemtap, it looks like the read() syscall is
> actually returning a premature "0" result for no reason, so this is likely a
> kernel or filesystem bug which is exacerbated by some workload the TT does.
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