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https://issues.apache.org/jira/browse/OAK-4243?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15253621#comment-15253621
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Michael Dürig commented on OAK-4243:
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A side grade on node store level should do the trick. I filed OAK-4260 for
tackling this.
> Oak Segment Next Module
> -----------------------
>
> Key: OAK-4243
> URL: https://issues.apache.org/jira/browse/OAK-4243
> Project: Jackrabbit Oak
> Issue Type: Epic
> Components: segment-next
> Reporter: Michael Dürig
> Assignee: Michael Dürig
> Fix For: 1.6
>
>
> There is a couple of issues requiring us to change the segment format in a
> non compatible way (OAK-3348, OAK-2896, OAK-2498, OAK-4201).
> We should introduce a new module here
> * to minimise ripple effect on concurrent development work in other parts of
> Oak and upstream projects
> * to be able to cleanly migrate existing repositories via a side grading
> * to cleanly separate breaking changes from the existing code base
> The plan is roughly to:
> * Create new module (called {{oak-segment-next}} for now, will discuss names
> later)
> * Apply patch prepared for OAK-3348
> * Discuss and decide on final name and refactor accordingly
> * Reactor affected tooling such that the targeted segment store can be
> specified via an option. Keep default at {{oak-segment}}.
> * Once sufficiently stabilised, deprecate {{oak-segment}}. Make this one the
> default in switch the default target for tooling.
> * Define and implement migration path
> I will create respective issues as needed.
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