Hello All,

Hope you are doing well..



Myself Samim and I am working of POC(proof of concept) for a project. In
this project we are using Apache Flink to process the stream data and find
the required pattern and finally dump those patterns in DB.



So to implement this we have used the global window and customized trigger
to done our work.

While testing we observed that output is coming as expected but we are
loosing the data for few minutes when the Stream ends at input.



For example If the data streaming stared at 1pm and it ends at 5pm on the
same day and in out put we found the data is missing for the time 4:55pm to
5 pm. Also we observed when the input data stream finishes immediately the
entire process stops and the last few minutes data are remains inside the
window.



We need your help here to overcome this last minutes data missing issue as
I am new to this flink framework. Do we have any API available to solve
this problem or it is the Flink limitation?



It’ll be great if you share your views and do let me know if you need any
further information.



I am waiting for your inputs, Thanks in advance.



Thanks,

Samim.

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