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https://issues.apache.org/jira/browse/HBASE-6230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13415705#comment-13415705
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Jonathan Hsieh commented on HBASE-6230:
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We need to agree on these definitions.
bq. How does this correspond to restoring a table from a snapshot when the
table doesn't exist?
Do you mean "restoring" to a different table name in this case (which matteo's
named "clone") or a situation where a user deleted his table and you want to
restore?
Restoring to the same name seems to be straight forwards to me.
There is a bunch of work that would need to be done if you are restoring a
snapshot of a table to a different name that the original while maintaining all
of the invariants in regions and the their encoded names. Ex: the region dir
corresponds to a hash of the tablename, startkey, and region ts. Changing the
table name means potentially regenerating and moving a bunch of metadata stuff.
Clonign and Exporting are follow on features that we'd like to have possible
but doesn't need to be in the first cut that makes it into trunk. From my
point of view we do need to have snapshot and restore (and some system tests)
before we could consider committing to trunk.
> [brainstorm] "Restore" snapshots for HBase 0.96
> -----------------------------------------------
>
> Key: HBASE-6230
> URL: https://issues.apache.org/jira/browse/HBASE-6230
> Project: HBase
> Issue Type: Brainstorming
> Reporter: Jesse Yates
> Assignee: Matteo Bertozzi
> Attachments: SnapshotRestore-v0.pdf
>
>
> Discussion ticket around the definitions/expectations of different parts of
> snapshot restoration. This is complementary, but separate from the _how_ of
> taking a snapshot of a table.
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