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https://issues.apache.org/jira/browse/OAK-3163?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcel Reutegger resolved OAK-3163.
-----------------------------------
Resolution: Fixed
Applied patch to trunk: http://svn.apache.org/r1697657
Thanks a lot Julian for the patch!
> Improve binary comparison during repeated upgrades
> --------------------------------------------------
>
> Key: OAK-3163
> URL: https://issues.apache.org/jira/browse/OAK-3163
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: upgrade
> Affects Versions: 1.2.3, 1.3.3
> Reporter: Julian Sedding
> Assignee: Marcel Reutegger
> Labels: performance
> Fix For: 1.3.5
>
> Attachments: OAK-3163.patch
>
>
> OAK-2619 introduced the possibility to run the same upgrade repeatedly and
> achieve incremental upgrades. This reduces the time taken for {{CommitHook}}
> processing, because the diff is reduced.
> However, for incremental upgrades to be really useful, the content-copy phase
> needs to be fast. Currently an optimization that was proposed in OAK-2626 was
> lost due to the implementation of a better solution to some part of the
> problem.
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