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Posted to dev@kafka.apache.org by Siddhartha Devineni <si...@gmail.com> on 2025/05/02 14:15:29 UTC

RE: [DISCUSS] KIP-1174: Expose addReadOnlyStateStore in DSL (StreamsBuilder)

Hello all,

Here is the link to the PR that is implemented according to the KIP, please review it for any feedback:
https://github.com/apache/kafka/pull/19621

Thank you.

Kind regards,
Siddhatha

On 2025/04/28 17:32:36 Siddhartha Devineni wrote:
> Hello Kafka Community,
>
> I would like to propose a KIP-1174
> <https://cwiki.apache.org/confluence/pages/resumedraft.action?draftId=354453962&draftShareId=739fdcbd-3219-4e23-a10f-9c23ae450142&>to
> expose the addReadOnlyStateStore functionality in the high-level DSL API
> (StreamsBuilder). This KIP aims to complete the work started in KIP-813
> <https://cwiki.apache.org/confluence/display/KAFKA/KIP-813%3A+Shareable+State+Stores>,
> which introduced read-only state stores to the Processor API.
>
> Currently, this functionality is only available through the low-level
> Processor API (Topology.addReadOnlyStateStore) but not yet through the more
> user-friendly DSL.
>
> The KIP proposes adding a new method to the StreamsBuilder class that
> follows the same pattern as the existing addGlobalStore method, making
> read-only state stores more accessible to users of the DSL.
>
> I welcome your feedback and discussion on this proposal.
>
> Thank you for your time.
> Siddhartha.
>

Re: [DISCUSS] KIP-1174: Expose addReadOnlyStateStore in DSL (StreamsBuilder)

Posted by Siddhartha Devineni <si...@gmail.com>.

Hello Kafka Community,

Please review this KIP.
Thank you.

Best regards,
Siddhartha Devineni

On Fri, May 2, 2025 at 4:15 PM Siddhartha Devineni <
siddhartha.devineni@gmail.com> wrote:

> Hello all,
>
> Here is the link to the PR that is implemented according to the KIP,
> please review it for any feedback:
> https://github.com/apache/kafka/pull/19621
>
> Thank you.
>
> Kind regards,
> Siddhatha
>
> On 2025/04/28 17:32:36 Siddhartha Devineni wrote:
> > Hello Kafka Community,
> >
> > I would like to propose a KIP-1174
> > <
> https://cwiki.apache.org/confluence/pages/resumedraft.action?draftId=354453962&draftShareId=739fdcbd-3219-4e23-a10f-9c23ae450142&
> >to
> > expose the addReadOnlyStateStore functionality in the high-level DSL API
> > (StreamsBuilder). This KIP aims to complete the work started in KIP-813
> > <
> https://cwiki.apache.org/confluence/display/KAFKA/KIP-813%3A+Shareable+State+Stores
> >,
> > which introduced read-only state stores to the Processor API.
> >
> > Currently, this functionality is only available through the low-level
> > Processor API (Topology.addReadOnlyStateStore) but not yet through the
> more
> > user-friendly DSL.
> >
> > The KIP proposes adding a new method to the StreamsBuilder class that
> > follows the same pattern as the existing addGlobalStore method, making
> > read-only state stores more accessible to users of the DSL.
> >
> > I welcome your feedback and discussion on this proposal.
> >
> > Thank you for your time.
> > Siddhartha.
> >
>