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https://issues.apache.org/jira/browse/ZOOKEEPER-3116?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andor Molnar resolved ZOOKEEPER-3116.
-------------------------------------
Resolution: Fixed
Issue resolved by pull request 594
[https://github.com/apache/zookeeper/pull/594]
> Make the DataTree.approximateDataSize more efficient
> ----------------------------------------------------
>
> Key: ZOOKEEPER-3116
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3116
> Project: ZooKeeper
> Issue Type: Improvement
> Components: server
> Reporter: Fangmin Lv
> Assignee: Fangmin Lv
> Priority: Minor
> Labels: pull-request-available
> Fix For: 3.6.0
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> The approximateDataSize is a nice metric to show what's the total size stored
> in ZooKeeper ensemble over time, but it's expensive to query too often, since
> each query will go through all the nodes to calculate the total size.
> It's better to use a counter to record the total data size when txns applied
> to the DataTree, which is cheaper.
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