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  1. Flink
  2. FLINK-5387

Lightweight Event Time Window

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Duplicate
    • Affects Version/s: 1.1.3
    • Fix Version/s: None
    • Component/s: API / DataStream
    • Labels:
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      Description

      When a new data coming and insert into Event Time Window, windowSize/slide subWindows are generated. and the data is copied to all of these subWindows. When the value of windowSize/slide is very big, redundancy is large, and this will slow the RocksDB's checkpoint. Event Window should redesigned, and candidate design is similar as Session window, only generating a pane(aligned with slide) when a new data come instead of generating a series of subWindows

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            • Assignee:
              Unassigned
              Reporter:
              SyinchwunLeo Syinchwun Leo
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              • Created:
                Updated:
                Resolved: