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https://issues.apache.org/jira/browse/ZOOKEEPER-3180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16664668#comment-16664668
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Michael Han commented on ZOOKEEPER-3180:
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This will be a very useful feature for my prod env as well, where some of our
read heavy workloads require serialize large payload from (an almost immutable
part of) the data tree - in our case it's not the data stored but the
getChildren call with tens of thousands children under the zNode. I'll be glad
to review and test the patch in our prod env.
> 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
> Priority: Minor
> Fix For: 3.6.0
>
>
> 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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