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https://issues.apache.org/jira/browse/MAPREDUCE-972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12753946#action_12753946
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Todd Lipcon commented on MAPREDUCE-972:
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Couple bits of feedback:
- ProgressThread could do with some short javadoc
- isComplete should be marked volatile or made into an AtomicBoolean - then you
don't have to worry about synchronization on it or the odd copying into
myComplete
- can ProgressThread be a static class? I think so.
Other than that, lgtm.
> distcp can timeout during rename operation to s3
> ------------------------------------------------
>
> Key: MAPREDUCE-972
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-972
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: distcp
> Affects Versions: 0.20.1
> Reporter: Aaron Kimball
> Assignee: Aaron Kimball
> Attachments: MAPREDUCE-972.patch
>
>
> rename() in S3 is implemented as copy + delete. The S3 copy operation can
> perform very slowly, which may cause task timeout.
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