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https://issues.apache.org/jira/browse/OAK-464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13508674#comment-13508674
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Thomas Mueller commented on OAK-464:
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> The loss of custom conflict handling logic is unfortunate

I think conflict resolution needs to handled in oak-core. I'm worried that it 
is not possible to (correctly) solve all possible conflicts within the 
MicroKernel.

> Implement the rebase operation on top of the Microkernel (status quo)
> -0 For the performance and complexity overhead.

To me it sounds like you want to avoid complexity in oak-core and therefore 
request to implement it in the MicroKernel. To me it sounds like the wrong 
thing to do.

> Is each of those commits atomic?
> Yes, though since they're against a branch, there's no need to worry about 
> concurrent commits.

My question was, what should the MicroKernel do if one of the commit fails 
because of a conflict. My question wasn't about concurrency.


                
> RootImpl.rebase() doesn't handle move operations correctly
> ----------------------------------------------------------
>
>                 Key: OAK-464
>                 URL: https://issues.apache.org/jira/browse/OAK-464
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>            Reporter: Michael Dürig
>
> Doing {{RootImpl.rebase()}} causes moves to be changed to remove followed by 
> add. Which causes moves of large sub trees to become very expensive.

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