Re: PATCH: logical_work_mem and logical streaming of large in-progress transactions

On Sun, Jul 26, 2020 at 11:04 AM Dilip Kumar <dilipbalaut(at)gmail(dot)com> wrote:
>
> > Today, I have again looked at the first patch
> > (v42-0001-Extend-the-logical-decoding-output-plugin-API-wi) and didn't
> > find any more problems with it so planning to commit the same unless
> > you or someone else want to add more to it. Just for ease of others,
> > "the next patch extends the logical decoding output plugin API with
> > stream methods". It adds seven methods to the output plugin API,
> > adding support for streaming changes for large in-progress
> > transactions. The methods are stream_start, stream_stop, stream_abort,
> > stream_commit, stream_change, stream_message, and stream_truncate.
> > Most of this is a simple extension of the existing methods, with the
> > semantic difference that the transaction (or subtransaction) is
> > incomplete and may be aborted later (which is something the regular
> > API does not really need to deal with).
> >
> > This also extends the 'test_decoding' plugin, implementing these new
> > stream methods. The stream_start/start_stop are used to demarcate a
> > chunk of changes streamed for a particular toplevel transaction.
> >
> > This commit simply adds these new APIs and the upcoming patch to
> > "allow the streaming mode in ReorderBuffer" will use these APIs.
>
> LGTM
>

Pushed. Feel free to submit the remaining patches.

--
With Regards,
Amit Kapila.