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https://issues.apache.org/jira/browse/HBASE-7360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13536527#comment-13536527
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Jesse Yates commented on HBASE-7360:
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Thinking about the code changes, I'd be tentative to back port _all_ of the
snapshot versions. Certainly the offline snapshot and export cases are
non-invasive enough (barely touches any existing code) and the generic restore
also seems as safe as it is in 0.96. The online cases strike me as a bit more
sensitive and touch a lot more in the region/regionserver. I think the log-roll
snapshot that [~jmhsieh] is working on would be a good first candidate, but the
timestamp and globally consistent ones are quite invasive and make we worry for
the stability of 0.94.
A reasonable alternative could be cutting a 0.94-snapshot branch that includes
the more 'touchy' snapshot cases, though it does lead to some released version
pain :-/
WRT the protobuf discussion, if its already in 0.94, then just use it and get
this shipping :)
> Snapshot 0.94 Backport
> -----------------------
>
> Key: HBASE-7360
> URL: https://issues.apache.org/jira/browse/HBASE-7360
> Project: HBase
> Issue Type: Sub-task
> Components: snapshots
> Affects Versions: 0.94.3
> Reporter: Matteo Bertozzi
> Assignee: Matteo Bertozzi
> Fix For: hbase-6055
>
>
> Backport snapshot code to 0.94
> The main changes needed to backport the snapshot are related to the protobuf
> vs writable rpc.
> Offline Snapshot
> * HBASE-6610 - HFileLink: Hardlink alternative for snapshot restore
> * HBASE-6765 - Take a Snapshot interface
> * HBASE-6571 - Generic multi-thread/cross-process error handling framework
> * HBASE-6353 - Snapshots shell
> * HBASE-7107 - Snapshot References Utils (FileSystem Visitor)
> * HBASE-6836 - Offline snapshots
> * HBASE-6865 - Snapshot File Cleaners
> * HBASE-6777 - Snapshot Restore Interface
> * HBASE-6230 - Clone/Restore Snapshots
> * HBASE-6802 - Export Snapshot
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