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https://issues.apache.org/jira/browse/MAPREDUCE-4148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13268460#comment-13268460
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Daryn Sharp commented on MAPREDUCE-4148:
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I'd like to suggest caching the service loader lookups since there will be a
fair amount of decoding.
I'd like to see the kind and service printed before the decoded identifier.
The vast majority of the time, it's those two fields that are critical to
debugging. The ident will likely cause those to wrap to the next line.
Otherwise, looks great!!
> MapReduce should not have a compile-time dependency on HDFS
> -----------------------------------------------------------
>
> Key: MAPREDUCE-4148
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4148
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Tom White
> Assignee: Tom White
> Attachments: MAPREDUCE-4148.patch, MAPREDUCE-4148.patch,
> MAPREDUCE-4148.patch, MAPREDUCE-4148.patch
>
>
> MapReduce depends on HDFS's DelegationTokenIdentifier (for printing token
> debug information). We should remove this dependency and MapReduce's
> compile-time dependency on HDFS.
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