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https://issues.apache.org/jira/browse/FLINK-9507?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann updated FLINK-9507:
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Fix Version/s: 1.8.0
> Introduce ReduceFunction to CEP to minor the cost for IterativeCondition
> ------------------------------------------------------------------------
>
> Key: FLINK-9507
> URL: https://issues.apache.org/jira/browse/FLINK-9507
> Project: Flink
> Issue Type: Improvement
> Components: CEP
> Affects Versions: 1.5.0
> Reporter: aitozi
> Assignee: aitozi
> Priority: Major
> Fix For: 1.7.0, 1.8.0
>
>
> When we use the cep to describe a condition about the events that has been
> matched, we have to call the method "getEventsForPattern" to extract the
> partly matched elements from the sharedBuffer in RocksDB, which is very cost,
> I think we can introduce a ReduceFunction on the pattern desc to allow us to
> aggregate the value in advance. Is this practical ？ What's your guys
> opinion? [~kkl0u] [~dawidwys]
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