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From "Sergiy Shyrkov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (JCR-3507) Make it possible to remove version histories via the internal version management API
Date Mon, 04 Feb 2013 08:08:13 GMT

    [ https://issues.apache.org/jira/browse/JCR-3507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13570054#comment-13570054

Sergiy Shyrkov commented on JCR-3507:


we also would like to see the functionality of removing orphaned history (in one operation)
in the internal API.
Right now we have a utility that "scans" the version storage for orphaned histories (for nodes,
which are no longer present in the repository) and removes the histories by removing versions
one by one (removal of each version takes approx. 200-300 ms, depending on the repository
And we also had an issue that we cannot remove the orphaned version history which contains
only rootVersion (see JCR-3238 ) so we had to adjust locally the o.a.j.c.version.InternalVersionHistoryImpl.removeVersion(Name)
to allow the removal of rootVersion and the version history itself if the version history
is unreferenced (!vMgr.hasItemReferences(node.getNodeId())) and there is only rootVersion
left (childNodes.length == 2).

If there would be a single operation to delete the complete (orphaned) version history this
could significantly speed-up the cleanup.

Thank you in advance!

Kind regards
Sergiy Shyrkov
> Make it possible to remove version histories via the internal version management API
> ------------------------------------------------------------------------------------
>                 Key: JCR-3507
>                 URL: https://issues.apache.org/jira/browse/JCR-3507
>             Project: Jackrabbit Content Repository
>          Issue Type: Improvement
>          Components: jackrabbit-core, versioning
>            Reporter: Unico Hommes
>            Assignee: Unico Hommes
>             Fix For: 2.7
> Version histories can become orphaned. This happens when the subject node is removed
from the repository. In order to deal with the problem of indefinitely growing data stores,
it should be possible to create functionality that removes such orphaned version histories.

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