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From "Tobias Bocanegra (JIRA)" <j...@apache.org>
Subject [jira] Created: (JCR-1517) Global datastore and namespace index cause problems when migrating workspaces
Date Wed, 02 Apr 2008 23:28:25 GMT
Global datastore and namespace index cause problems when migrating workspaces
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                 Key: JCR-1517
                 URL: https://issues.apache.org/jira/browse/JCR-1517
             Project: Jackrabbit
          Issue Type: Bug
          Components: jackrabbit-core
    Affects Versions: 1.4
            Reporter: Tobias Bocanegra
            Assignee: Tobias Bocanegra


Issue JCR-669 introduced a global namespace index. this is used by some persistence managers
in order to
keep the serialization of names small (fewer bytes).

unfortunately this forms a problem when a workspace needs to be migrated to another repository
with other namespace indexes. so an easy migration is not possible unless you export/import
the entire workspace using system view (which is almost impossible for huge workspaces).

another potential problem is cause by the global data store, since all workspaces share the
same.
so when migrating a workspace, you would need to transfer all respective records in the datastore
to the target repository.

where the datastore problem can be solved by copying the respective items, the namespace indexes
are a bigger problem, since the serialized items need to be adjusted.

suggest to alter the bundle pm to use the 'name index' for the namespaces as well.

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