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https://issues.apache.org/jira/browse/ACCUMULO-3236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14174855#comment-14174855
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Sean Busbey commented on ACCUMULO-3236:
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I think under the hood, yes this should require going from an offlined table.
For user facing, I think we should (in a different ticket) add a first pass at
user tooling for taking snapshots. creating a snapshot can be done as clone +
offline. we can then build on that to have the user facing part of this feature
based around those snapshots.
> Clone table into an existing table
> ----------------------------------
>
> Key: ACCUMULO-3236
> URL: https://issues.apache.org/jira/browse/ACCUMULO-3236
> Project: Accumulo
> Issue Type: Improvement
> Components: client, tserver
> Reporter: John Vines
> Fix For: 1.7.0
>
>
> Currently we have the ability to clone a table, which takes all files
> belonging to an existing table and then makes them owned by a second, brand
> new table. I think there is a logic extension to this where you can add the
> files to an already existing table.
> One point of concern is if data is unused in existing files due to major
> compactions of the shared files in the source table. This can be mitigated by
> either chopping the files (which sorta goes against the idea of cloning) or
> ensuring that at source table splits exist in the destination table.
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