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From Fabian Hueske <fhue...@gmail.com>
Subject Re: Managed operator state treating state of all parallel operators as the same
Date Mon, 03 Jul 2017 16:14:38 GMT
Hi Gerard,

such a type of state is not yet supported, but on the roadmap.
The feature is called Broadcast State. A description is in JIRA [1].

Best, Fabian

[1] https://issues.apache.org/jira/browse/FLINK-4940

2017-07-03 17:50 GMT+02:00 gerardg <gerard@talaia.io>:

> Hello,
>
> Is it possible to have managed operator state where all the parallel
> operators know that they have the same state? Therefore, it would be only
> snapshotted by one of them and in case of failure (or rescaling) all would
> use that snapshot.
>
> For the rescaling case I guess I could use union redistribution and just
> keep one of the elements of the list, but given the size of the state it
> would be more efficient if this can be avoided.
>
> Thanks,
>
> Gerard
>
>
>
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> operator-state-treating-state-of-all-parallel-operators-as-
> the-same-tp14102.html
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