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https://issues.apache.org/jira/browse/HADOOP-16081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Siyao Meng updated HADOOP-16081:
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Description:
https://hadoop.apache.org/docs/r3.1.1/hadoop-distcp/DistCp.html#Update_and_Overwrite
-In the current doc, it says that -update or -overwrite won't copy the
directory hierarchies. i.e. the file structure will be "flattened out" on the
destination. But this has been improved already. (Need to find the jira id that
made this change.) The dir structure WILL be copied over when -update or
-overwrite option is in use.- I misunderstood the doc. I will try to improve
the expression then.
The main caveat for -update or -overwrite option is when we are specifying
multiple sources, there shouldn't be files or directories with same relative
path.
was:
https://hadoop.apache.org/docs/r3.1.1/hadoop-distcp/DistCp.html#Update_and_Overwrite
In the current doc, it says that -update or -overwrite won't copy the directory
hierarchies. i.e. the file structure will be "flattened out" on the
destination. But this has been improved already. (Need to find the jira id that
made this change.) The dir structure WILL be copied over when -update or
-overwrite option is in use.
Now the only caveat for -update or -overwrite option is when we are specifying
multiple sources, there shouldn't be files or directories with same relative
path.
> DistCp: Update "Update and Overwrite" doc
> -----------------------------------------
>
> Key: HADOOP-16081
> URL: https://issues.apache.org/jira/browse/HADOOP-16081
> Project: Hadoop Common
> Issue Type: Task
> Components: documentation, tools/distcp
> Affects Versions: 3.1.1
> Reporter: Siyao Meng
> Assignee: Siyao Meng
> Priority: Major
>
> https://hadoop.apache.org/docs/r3.1.1/hadoop-distcp/DistCp.html#Update_and_Overwrite
> -In the current doc, it says that -update or -overwrite won't copy the
> directory hierarchies. i.e. the file structure will be "flattened out" on the
> destination. But this has been improved already. (Need to find the jira id
> that made this change.) The dir structure WILL be copied over when -update or
> -overwrite option is in use.- I misunderstood the doc. I will try to improve
> the expression then.
> The main caveat for -update or -overwrite option is when we are specifying
> multiple sources, there shouldn't be files or directories with same relative
> path.
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