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https://issues.apache.org/jira/browse/ZOOKEEPER-3419?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17206482#comment-17206482
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Hunter L commented on ZOOKEEPER-3419:
-------------------------------------

[~hanm] do you have any estimates in terms of when this will be made available 
in upstream?

Some of us at LinkedIn are interested in having a similar feature/system that 
supports a native backup of/recovery from fuzzy snapshots and transaction logs, 
and we're trying to determine if we could leverage what might become available 
in upstream ZooKeeper.

> Backup and recovery support
> ---------------------------
>
>                 Key: ZOOKEEPER-3419
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3419
>             Project: ZooKeeper
>          Issue Type: New Feature
>          Components: server
>    Affects Versions: 3.6.0
>            Reporter: Michael Han
>            Assignee: Michael Han
>            Priority: Major
>              Labels: Twitter
>
> Historically ZooKeeper has no intrinsic support for backup and restore. The 
> usual approach of doing backup and restore is through customized scripts to 
> copy data around, or through some 3rd party tools (exhibitor, etc), which 
> introduces operation burden. 
> This Jira will introduce another option: a direct support of backup and 
> restore from ZooKeeper itself. It's completely built into ZooKeeper, support 
> point in time recovery of an entire tree rooted after an oops event, support 
> recovery partial tree for test/dev purpose, and can help replay history for 
> bug investigation. It will try to provide a generic interface so the backups 
> can be directed to different data storage systems (S3, Kafka, HDFS, etc).
> This same system has been in production at Twitter for X years and proved to 
> be quite helpful for various use cases mentioned earlier. This will be a 
> relative big patch, we'll try break the feature down and incrementally submit 
> the patches when they are ready.



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