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https://issues.apache.org/jira/browse/COUCHDB-120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12725036#action_12725036
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Paul Joseph Davis commented on COUCHDB-120:
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Now that we have tail append headers we could do this pretty easily at the
batch level IIUC. I reckon implementation would be "read back to last valid
header, append a copy of it to end of file" type of operation.
> Allow databases to be "rolled back" to a specific sequence ID.
> --------------------------------------------------------------
>
> Key: COUCHDB-120
> URL: https://issues.apache.org/jira/browse/COUCHDB-120
> Project: CouchDB
> Issue Type: New Feature
> Components: Database Core
> Affects Versions: 0.8.1
> Reporter: Jan Lehnardt
> Priority: Minor
>
> Rolling back databases to a specific seq_id would allow for "undoing"
> replication. possible use-cases included replication with an untrustworthy
> replication partner.
> (we should think about repl-ed and advocate safer-replication. advocating
> abstinence is another option, but that system is prone to #fail).
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