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From Aljoscha Krettek <aljos...@apache.org>
Subject Re: Timer coalescing necessary?
Date Fri, 13 Oct 2017 11:43:34 GMT

If you have multiple timers per key, then coalescing can make sense to reduce the burden on
the timer system. Coalescing them across different keys would not be possible right now.


> On 13. Oct 2017, at 06:37, Kien Truong <duckientruong@gmail.com> wrote:
> Hi,
> We are having a streaming job where we use timers to implement key timeout for stateful
functions. Should we implement coalescing logic to reduce the number of timer trigger, or
it is not necessary with Flink?
> Best regards,
> Kien

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