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Posted to dev@curator.apache.org by "Sylvain Wallez (JIRA)" <ji...@apache.org> on 2017/01/04 10:36:58 UTC

[jira] [Created] (CURATOR-374) Reduce memory usage in TreeCache

Sylvain Wallez created CURATOR-374:
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             Summary: Reduce memory usage in TreeCache
                 Key: CURATOR-374
                 URL: https://issues.apache.org/jira/browse/CURATOR-374
             Project: Apache Curator
          Issue Type: Improvement
          Components: Recipes
    Affects Versions: 3.2.1
            Reporter: Sylvain Wallez
            Priority: Minor


TreeCache uses 3 {{AtomicReference}} objects in its tree nodes to ensure atomic updates. On large trees (we have 1M nodes) this can cause a significant memory overhead.

Using {{volatile}} fields with a {{AtomicReferenceFieldUpdater}} would avoid this while keeping the atomicity garantees.



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