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From "Sylvain Wallez (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CURATOR-374) Reduce memory usage in TreeCache
Date Wed, 04 Jan 2017 10:52:58 GMT

    [ https://issues.apache.org/jira/browse/CURATOR-374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15797930#comment-15797930
] 

Sylvain Wallez commented on CURATOR-374:
----------------------------------------

See pull request at https://github.com/apache/curator/pull/184

> 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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