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https://issues.apache.org/jira/browse/FLINK-31753?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dong Lin updated FLINK-31753:
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Description:
DataSet has been deprecated and will be removed from Flink. However, DataStream
CoCroup is still considerably slower than DataSet when co-grouping two bounded
streams.
Here is the benchmark result of co-grouping two bounded stream with 4*10^6
records from each stream. The co-group function is chosen to be very
lightweight so that we only
> Support DataStream CoGroup in stream Mode with similar performance as DataSet
> CoGroup
> -------------------------------------------------------------------------------------
>
> Key: FLINK-31753
> URL: https://issues.apache.org/jira/browse/FLINK-31753
> Project: Flink
> Issue Type: Bug
> Components: Library / Machine Learning
> Reporter: Dong Lin
> Assignee: Dong Lin
> Priority: Major
> Fix For: ml-2.3.0
>
>
> DataSet has been deprecated and will be removed from Flink. However,
> DataStream CoCroup is still considerably slower than DataSet when co-grouping
> two bounded streams.
> Here is the benchmark result of co-grouping two bounded stream with 4*10^6
> records from each stream. The co-group function is chosen to be very
> lightweight so that we only
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