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https://issues.apache.org/jira/browse/FLINK-9797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-9797:
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Labels: auto-deprioritized-major auto-deprioritized-minor (was:
auto-deprioritized-major stale-minor)
Priority: Not a Priority (was: Minor)
This issue was labeled "stale-minor" 7 days ago and has not received any
updates so it is being deprioritized. If this ticket is actually Minor, please
raise the priority and ask a committer to assign you the issue or revive the
public discussion.
> Separate state serializers from network serializers
> ---------------------------------------------------
>
> Key: FLINK-9797
> URL: https://issues.apache.org/jira/browse/FLINK-9797
> Project: Flink
> Issue Type: Improvement
> Components: API / Type Serialization System
> Reporter: Nico Kruber
> Priority: Not a Priority
> Labels: auto-deprioritized-major, auto-deprioritized-minor
>
> State serializers need to maintain backwards compatibility and therefore the
> format cannot be changed that easily and this is honoured by the classes
> around {{TypeInformation}}. However, currently the same {{TypeInformation}}
> is being used in the network stack where data is serialized between two
> operators during shuffles and so. There, however, we do not need backwards
> compatibility and could easily change the format and have more performant
> code, e.g. use custom serializers for Java collections (not going through
> Kryo), etc.
> I propose to separate these two (this is probably a bigger task since it is
> quite invasive).
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