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https://issues.apache.org/jira/browse/CURATOR-374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15798797#comment-15798797
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Jordan Zimmerman commented on CURATOR-374:
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CURATOR-3.0 initially, but it should also be merge into master if possible.
> 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
> Assignee: Scott Blum
> 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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