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Flink Jira Bot updated FLINK-5572: ---------------------------------- Labels: auto-deprioritized-major stale-minor (was: auto-deprioritized-major) I am the [Flink Jira Bot|https://github.com/apache/flink-jira-bot/] and I help the community manage its development. I see this issues has been marked as Minor but is unassigned and neither itself nor its Sub-Tasks have been updated for 180 days. I have gone ahead and marked it "stale-minor". If this ticket is still Minor, please either assign yourself or give an update. Afterwards, please remove the label or in 7 days the issue will be deprioritized. > ListState in SlidingEventTimeWindow and SlidingProcessingTimeWindow > optimization > -------------------------------------------------------------------------------- > > Key: FLINK-5572 > URL: https://issues.apache.org/jira/browse/FLINK-5572 > Project: Flink > Issue Type: Improvement > Components: API / DataStream > Affects Versions: 1.2.1 > Environment: CentOS 7.2 > Reporter: Syinchwun Leo > Priority: Minor > Labels: auto-deprioritized-major, stale-minor > > When using ListState in SlidingEventTimeWindow and > SlidingProcessingTimeWindow, an element may be assigned to multiple > overlapped windows. It may lead to storage consuming. for example, > window(SlidingEventTimeWindows.of(Time.seconds(10), > Time.seconds(2))).apply(UDF window function), each element is assigned to 5 > windows, When the window size is very large, it is unacceptable(size/slide is > very large). > We plan to make a little optimization, and the doc is in > https://docs.google.com/document/d/1HCt1Si3YNGFwsl2H5SO0f7WD69DdBBPVJA6abd3oFWo/edit?usp=sharing > > Comments? -- This message was sent by Atlassian Jira (v8.20.1#820001)