Hi,

Do you have a requirement to continuously prioritise one input source over
another (like always read topic X from Kafka before topic Y from Kafka) or
is it a one-time effort, because you might need to bootstrap some state, so
first read all data from file source A before switching over to topic B
from Kafka?). If it's the latter, you could look into the HybridSource.

Best regards,

Martijn

On Tue, 23 Nov 2021 at 15:34, Shazia Kayani <shazia.kay...@ibm.com> wrote:

> Hi All,
>
> Hope you are well!
>
> I am working on something which has a requirement from flink to prioritise
> one input datastream over another, to do this I'm currently implemented an
> operator which extends InputSelectable to do this.
> However, because of using input selectable checkpointing is disabled as it
> is currently not supported.
>
> I was just wondering if anyone has done something similar to
> this previously? and if so were you able to implement changes which
> resulted in successful checkpointing?
> If anyone has any other tips around the topic that too would also be
> helpful!
>
> Thanks
>
> Shazia
>
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