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https://issues.apache.org/jira/browse/KAFKA-5250?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ismael Juma resolved KAFKA-5250.
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Resolution: Fixed
> handleFetchRequest should do down conversion after throttling
> -------------------------------------------------------------
>
> Key: KAFKA-5250
> URL: https://issues.apache.org/jira/browse/KAFKA-5250
> Project: Kafka
> Issue Type: Bug
> Reporter: Ismael Juma
> Assignee: Rajini Sivaram
> Priority: Critical
> Fix For: 0.11.0.0
>
>
> We currently do down conversion before throttling. This is good from the
> perspective of getting the correct message size, but it means that we can
> cause OOMs due to excessive memory retention. That is, by performing down
> conversion, we are loading the records into the heap even though we are not
> ready to send them yet.
> It would be preferable to throttle before down conversion.
> In addition, we currently updates bytesOut before throttling. We should do it
> after throttling as well.
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