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https://issues.apache.org/jira/browse/ZOOKEEPER-3347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Mollitor reassigned ZOOKEEPER-3347:
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Assignee: David Mollitor
> Improve PathTrie Consistency
> -----------------------------
>
> Key: ZOOKEEPER-3347
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3347
> Project: ZooKeeper
> Issue Type: Improvement
> Components: server
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.6.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> There is a bunch of synchronization that occurs in the {{PathTrie}}. Each
> node in the tree requires a lock to view its children, so to traverse a tree
> that is 8 nodes deep, it is required to lock 8 different times. Also, I'm
> not really sure that the locking is consistent; a node deep in the tree can
> be negatively impacted by another thread deleting the node's parent at the
> same time.
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