Re: Parallel Apply

On Fri, Sep 5, 2025 at 2:59 PM Dilip Kumar <dilipbalaut@gmail.com> wrote:
>
> On Mon, Aug 11, 2025 at 10:16 AM Amit Kapila <amit.kapila16@gmail.com> wrote:
> >
>
> +1 for the idea.  So I see we already have the parallel apply workers
> for the large streaming transaction so I am trying to think what
> additional problem we need to solve here.  IIUC we are actually
> parallely applying the transaction which were actually running
> parallel on the publisher and commits are actually applied in serial
> order.  Whereas now we are trying to parallel apply the small
> transactions so we are not controlling the commit apply order at the
> leader worker so we need extra handling of dependency and also we need
> to track which transaction we need to apply and which we need to skip
> after the restarts as well.  Is that right?
>

Right.

> I am reading the proposal and POC patch in more detail to get the
> fundamentals of the design and will share my thoughts.
>

Thanks.

--
With Regards,
Amit Kapila.