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https://issues.apache.org/jira/browse/OAK-5126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15695276#comment-15695276
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Stefan Egli commented on OAK-5126:
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+1 looks good to me
> Support ChangeSet merging and serialization
> --------------------------------------------
>
> Key: OAK-5126
> URL: https://issues.apache.org/jira/browse/OAK-5126
> Project: Jackrabbit Oak
> Issue Type: Technical task
> Components: core
> Reporter: Chetan Mehrotra
> Assignee: Chetan Mehrotra
> Fix For: 1.6, 1.5.15
>
> Attachments: OAK-5126-pre-change-refactoring.patch
>
>
> For pre-filtering for external changes we would need support in ChangeSet for
> # Merging multiple ChangeSet into single -
> ## This would be used to build up ChangeSet from each commit which would be
> used in Background Write in DocumentNodeStore
> ## And again while building ChangeSet from multiple JournalEntries while
> doing Background Read
> ## Care must be taken for overflow handling while merging
> # Serializing and Deserializing ChangeSet as JSON - Care must be taken to
> distinguish between an empty attribute vs overflown attribute
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