Chetan Mehrotra created OAK-2603:
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Summary: Failure in one of the batch in VersionGC might lead to
orphaned nodes
Key: OAK-2603
URL: https://issues.apache.org/jira/browse/OAK-2603
Project: Jackrabbit Oak
Issue Type: Bug
Components: mongomk
Reporter: Chetan Mehrotra
Assignee: Chetan Mehrotra
Fix For: 1.1.8, 1.0.13
VersionGC logic currently performs deletion of nodes in batches. For GC to work
properly NodeDocument should always be removed in bottom-up mode i.e. parent
node should be removed *after* child has been removed
Currently the GC logic deletes the NodeDocument in undefined order. In such
mode if one of the batch fails then its possible that parent might have got
deleted but the child was not deleted.
Now in next run the child node would not be recognized as a deleted node
because the commit root would not be found.
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