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From "Julian Sedding (JIRA)" <j...@apache.org>
Subject [jira] [Created] (OAK-3163) Improve binary comparison during repeated upgrades
Date Wed, 29 Jul 2015 12:39:04 GMT
Julian Sedding created OAK-3163:

             Summary: 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: 1.3.3, 1.2.3
            Reporter: Julian Sedding

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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