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Hadoop, mail # user - Moving files


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David Parks 2012-11-25, 02:34
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Re: Moving files
Mahesh Balija 2012-11-25, 12:42
Hi David,

       Can you check the following things,
           1) Whether the user trying to rename has the filesystem
permissions or NOT on the "to" path?
           2) Whether the to directory exists or NOT?
           3) OR you can copy the data first to the to path and then delete
the current path.

Best,
Mahesh Balija,
Calsoft Labs.

On Sun, Nov 25, 2012 at 8:04 AM, David Parks <[EMAIL PROTECTED]> wrote:

> I want to move a file in HDFS after a job using the Java API, I'm trying
> this command but I always get false (could not rename):
>
>         Path from = new
> Path("hdfs://localhost/process-changes/itemtable-r-00001");
>         Path to = new Path("hdfs://localhost/output/itemtable-r-00001");
>         boolean wasCopied = from.getFileSystem(getConf()).rename(from, to);
>
> All I want to do is copy some files from HDFS to S3 at the end of my job,
> but DistCp copies a whole directory, so I think I need to move the files
> around to prepare them for DistCp's directory->directory copy.
>
>
>