Prevent excessive Path.Element instances
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                 Key: JCR-1715
                 URL: https://issues.apache.org/jira/browse/JCR-1715
             Project: Jackrabbit
          Issue Type: Improvement
          Components: jackrabbit-core, jackrabbit-spi-commons
            Reporter: Marcel Reutegger
            Priority: Minor


Even when a CachingHierarchyManager is used jackrabbit creates a lot of 
Path.Element instances. The internally used PathMap (spi-commons) creates new 
Path.Element instances whenever a path is constructed, even when the path is 
constructed from cached PathMap.Elements.

Running a test with 10k nodes results in 250k Path.Element instances being 
created and held in memory (mostly for events).

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