Hi Averell,

As Till pointed out, currently Flink doesn't provide such a flexible
schedule strategy.

However, our team internally implemented a mechanism that allow user-define
schedule plugin(flexible schedule strategy). It could fit your case by
setting a timer on schedule start and trigger (1) after a fixed delay; or
when (2) loaded, a execution event be sent to the schedule plugin then it
schedules (1).

This work is on going to contribute back to Flink master, you can follow
this JIRA[1] for more information. We are glad if this work could help you.

Best,
tison.

[1] https://issues.apache.org/jira/browse/FLINK-10240


Averell <lvhu...@gmail.com> 于2018年9月26日周三 下午3:46写道:

> Hi Kostas,
>
> So that means my 2a will be broadcasted to all TMs? Is that possible to
> partition that? As I'm using CoProcessFunction to join 1 with 2.
>
> Thanks and best regards,
> Averell
>
>
>
> --
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