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https://issues.apache.org/jira/browse/OAK-1159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13838948#comment-13838948
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Jukka Zitting commented on OAK-1159:
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There was actually a problem with the binary sharing test case. Since the blob
being used wasn't a SegmentBlob, it would get duplicated also in the source
repository and thus the duplication problem didn't show up for the backup. I
"fixed" the test case in revision 1547813.
> Backup and restore
> ------------------
>
> Key: OAK-1159
> URL: https://issues.apache.org/jira/browse/OAK-1159
> Project: Jackrabbit Oak
> Issue Type: New Feature
> Components: core, mk
> Reporter: Michael Marth
> Assignee: Alex Parvulescu
> Attachments: OAK-1159-v2.patch, OAK-1159.patch
>
>
> We need a way to backup and restore a repository. I was thinking that the MK
> impl could expose an interface for this, as the actual implementation would
> differ quite a bit between e.g. TarMK and MongoMK.
> Also, I think we could leverage the MVCC nature of the MKs and mark a
> specific revision as "the revision to backup" (regardless of ongoing writes).
> That would allow us to prevent the ugly situation in JR2, that we need to
> stop writes for a while to produce a consistent backup.
> The restore in such a scenario would discard revisions that happened after
> said marker (but still made it into the backup).
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