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Posted to issues@flink.apache.org by "Vijay Kansal (JIRA)" <ji...@apache.org> on 2018/01/22 07:43:00 UTC

[jira] [Created] (FLINK-8470) DelayTrigger and DelayAndCountTrigger in Flink Streaming Window API

Vijay Kansal created FLINK-8470:
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             Summary: DelayTrigger and DelayAndCountTrigger in Flink Streaming Window API
                 Key: FLINK-8470
                 URL: https://issues.apache.org/jira/browse/FLINK-8470
             Project: Flink
          Issue Type: New Feature
          Components: Streaming
    Affects Versions: 2.0.0
            Reporter: Vijay Kansal


In Flink streaming API, we do not have any in-built window trigger(s) available for the below use cases:
1. DelayTrigger: Window function should trigger in case the 1st element that belongs to this window arrived more than maxDelay(ms) before the current processing time.

2. DelayAndCountTrigger: Window function should trigger in case the 1st element that belongs to this window arrived more than maxDelay(ms) before the current processing time or there are more than maxCount elements in the window.



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