Hi

Do you mean how to disable `chain` in your custom sink connector?  Can you
give an example of what you want?

On Wed, Feb 15, 2023 at 10:42 PM di wu <676366...@qq.com> wrote:

> Hello
>
> The current Sink operator will be split into two operations, Writer and
> Commiter. By default, they will be chained together and executed on the
> same thread.
> So sometimes when the commiter is very slow, it will block the data
> writer, causing back pressure.
>
> At present, FlinkSQL can be solved by disabling the chain globally, and
> DataStream can partially disable the chain through the disableChaining
> method, but both of them need to be set by the user.
>
> Can the strategy of the Chain be changed in the Custom Sink Connector to
> separate Writer and Commiter?
>
> Thanks && Regards,
> di.wu
>

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