Steve Loughran updated HADOOP-15208:
    Status: Open  (was: Patch Available)

> DistCp to offer option to save src/dest filesets as alternative to delete()
> ---------------------------------------------------------------------------
>                 Key: HADOOP-15208
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15208
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: tools/distcp
>    Affects Versions: 2.9.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Major
>         Attachments: HADOOP-15208-001.patch, HADOOP-15208-002.patch, 
> HADOOP-15208-002.patch
> There are opportunities to improve distcp delete performance and scalability 
> with object stores, but you need to test with production datasets to 
> determine if the optimizations work, don't run out of memory, etc.
> By adding the option to save the sequence files of source, dest listings, 
> people (myself included) can experiment with different strategies before 
> trying to commit one which doesn't scale

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