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From "Paul Joseph Davis (JIRA)" <>
Subject [jira] Commented: (COUCHDB-120) Allow databases to be "rolled back" to a specific sequence ID.
Date Mon, 29 Jun 2009 04:42:47 GMT


Paul Joseph Davis commented on COUCHDB-120:

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:
>             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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