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https://issues.apache.org/jira/browse/ZOOKEEPER-3180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16671158#comment-16671158
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Fangmin Lv commented on ZOOKEEPER-3180:
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Currently, we only cache getData, but we can easily extend the code to cache
getChildren in a separate Jira.
> Add response cache to improve the throughput of read heavy traffic
> -------------------------------------------------------------------
>
> Key: ZOOKEEPER-3180
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3180
> Project: ZooKeeper
> Issue Type: Improvement
> Components: server
> Reporter: Fangmin Lv
> Assignee: Brian Nixon
> Priority: Minor
> Labels: pull-request-available
> Fix For: 3.6.0
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> On read heavy use case with large response data size, the serialization of
> response takes time and added overhead to the GC.
> Add response cache helps improving the throughput we can support, which also
> reduces the latency in general.
> This Jira is going to implement a LRU cache for the response, which shows
> some performance gain on some of our production ensembles.
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