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https://issues.apache.org/jira/browse/HADOOP-4176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE updated HADOOP-4176:
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Attachment: 4176_20080918.patch
> Would you expect the load on the namenode to be significant for large numbers
> of checksum requests? Might it make sense to redirect this request to a
> datanode that can compute and return the checksum?
Yes, we should do URL redirect.
4176_20080918.patch: Incorporated all Chris's comments.
> Implement getFileChecksum(Path) in HftpFileSystem
> -------------------------------------------------
>
> Key: HADOOP-4176
> URL: https://issues.apache.org/jira/browse/HADOOP-4176
> Project: Hadoop Core
> Issue Type: New Feature
> Components: dfs, tools/distcp
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Fix For: 0.19.0
>
> Attachments: 4176_20080917.patch, 4176_20080918.patch
>
>
> In order to use FileChecksum in DistCp, we should implement
> getFileChecksum(Path) in HftpFileSystem
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