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https://issues.apache.org/jira/browse/MAPREDUCE-7292?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steven Rand moved HDFS-15522 to MAPREDUCE-7292:
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Component/s: (was: distcp)
distcp
Key: MAPREDUCE-7292 (was: HDFS-15522)
Project: Hadoop Map/Reduce (was: Hadoop HDFS)
> Use snapshot diff to build file listing when copying to blob storage
> --------------------------------------------------------------------
>
> Key: MAPREDUCE-7292
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7292
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: distcp
> Reporter: John Liu
> Priority: Minor
>
> The DistCp sync option should be extensible for copying to blob storage,
> which is not a distributed filesystem. Clients of DistCp could benefit from
> using the HDFS snapshot diff report to create the file listing in less time.
> A valid use case is to copy new files added to HDFS to a remote blob storage.
> The client ensures all new files are copied over but does not require the
> destination filesystem to be a distributed filesystem or have the previous
> snapshot.
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