Re: Logical replication timeout problem

On Mon, Mar 28, 2022 at 11:41 AM wangw.fnst@fujitsu.com
<wangw.fnst@fujitsu.com> wrote:
>
> On Mon, Mar 28, 2022 at 9:56 AM Kuroda, Hayato/黒田 隼人 <kuroda.hayato@fujitsu.com> wrote:
>
> > Do we have to consider something special case for that?
> > I thought timeout may occur if users have huge table and publish few columns,
> > but it is corner case.
> I think maybe we do not need to deal with this use case.
> The maximum number of table columns allowed by PG is 1600
> (macro MaxHeapAttributeNumber), and after loop through all columns in the
> function logicalrep_write_tuple, the function OutputPluginWrite will be invoked
> immediately to actually send the data to the subscriber. This refreshes the
> last time the subscriber received a message.
> So I think this loop will not cause timeout issues.
>

Right, I also don't think it can be a source of timeout.

--
With Regards,
Amit Kapila.