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https://issues.apache.org/jira/browse/KAFKA-9855?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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radai rosenblatt reassigned KAFKA-9855:
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Assignee: radai rosenblatt
> dont waste memory allocating Struct and values objects for Schemas with no
> fields
> ---------------------------------------------------------------------------------
>
> Key: KAFKA-9855
> URL: https://issues.apache.org/jira/browse/KAFKA-9855
> Project: Kafka
> Issue Type: Improvement
> Components: core
> Affects Versions: 2.4.0, 2.4.1
> Reporter: radai rosenblatt
> Assignee: radai rosenblatt
> Priority: Major
>
> at the time of this writing there are 6 schemas in kafka APIs with no fields
> - 3 versions each of LIST_GROUPS and API_VERSIONS.
> under some workloads this may result in the creation of a lot of Struct
> objects with an Object[0] for values when deserializing those requests from
> the wire.
> in one particular heap dump we've found a significant amount of heap space
> wasted on creating such objects.
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