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https://issues.apache.org/jira/browse/FLINK-1137?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aljoscha Krettek updated FLINK-1137:
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Issue Type: Sub-task (was: Improvement)
Parent: FLINK-1285
> Add a way to switch between mutable object safe mode and efficient object
> reuse mode
> ------------------------------------------------------------------------------------
>
> Key: FLINK-1137
> URL: https://issues.apache.org/jira/browse/FLINK-1137
> Project: Flink
> Issue Type: Sub-task
> Reporter: Stephan Ewen
> Assignee: Aljoscha Krettek
> Priority: Minor
>
> Right now, Flink is conservative and takes precautions with respect to
> mutable objects. Neither the modifying of objects that are input to UDFs, nor
> modifying objects that are returned, will cause wrong results.
> This incurs a certain overhead for some operators. Most operators have a way
> to avoid that.
> I propose an optional switch to allow to set the system to a mode where it
> avoids those precautions, for the sake of efficiency.
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