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Posted to oak-issues@jackrabbit.apache.org by "Julian Reschke (JIRA)" <ji...@apache.org> on 2016/05/21 11:53:12 UTC

[jira] [Created] (OAK-4389) RDBDocumentStore: add system property for disabling appending updates

Julian Reschke created OAK-4389:
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             Summary: RDBDocumentStore: add system property for disabling appending updates
                 Key: OAK-4389
                 URL: https://issues.apache.org/jira/browse/OAK-4389
             Project: Jackrabbit Oak
          Issue Type: Technical task
          Components: rdbmk
    Affects Versions: 1.2.15, 1.5.2, 1.4.2, 1.0.30
            Reporter: Julian Reschke
            Assignee: Julian Reschke
            Priority: Minor


RDBDocumentStore uses two different code paths for updates, one which using string append operations in the database. Which code path is followed depends on the current modcount of the document and the remaining size in the DATA column.

It would be good if appending updates could be turned off, because:

1) it might be a last resort for DBs where the append code for some reason does not work (theoretical at this point), and

2) it makes it easier to reliably test both code paths.



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