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Posted to oak-issues@jackrabbit.apache.org by "Tomek Rękawek (JIRA)" <ji...@apache.org> on 2017/05/15 05:59:04 UTC

[jira] [Created] (OAK-6220) Copy on write node store implementation

Tomek Rękawek created OAK-6220:
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             Summary: Copy on write node store implementation
                 Key: OAK-6220
                 URL: https://issues.apache.org/jira/browse/OAK-6220
             Project: Jackrabbit Oak
          Issue Type: New Feature
          Components: core
            Reporter: Tomek Rękawek
             Fix For: 1.8


The copy-on-write (COW) node store implementation would allow to temporarily switch the repository into the "testing" mode, in which all the changes are saved in a reversible way. After switching back to the "production" mode, the test changes should be dropped.

This should include checkpoints as well.

Because the DocumentNodeStore and SegmentNodeStore supports COW natively, we may simply copy the / tree to some user-provided path and use it as a new root.



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