[FLINK-3399] Count with timeout trigger - ASF JIRA

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Details

Type: Improvement
Status: Resolved
Priority: Minor
Resolution: Fixed
Affects Version/s: None
Fix Version/s: None
Component/s: None
Labels:
None

Description

I created an implementation of a trigger that I'd like to contribute, https://gist.github.com/shikhar/2cb9f1b792be31b7c16e

An example application - if a sink function operates more efficiently if it is writing in a batched fashion, then the windowing mechanism + this trigger can be used. Count to have an upper bound on batch size & better control on memory usage, and timeout to ensure timeliness of the outputs.