Re: logical_replication_mode

On 25.08.23 08:52, Zhijie Hou (Fujitsu) wrote:
> On Friday, August 25, 2023 12:28 PM Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
>>
>> On Thu, Aug 24, 2023 at 12:45 PM Peter Eisentraut <peter(at)eisentraut(dot)org>
>> wrote:
>>>
>>> I suggest we rename this setting to something starting with debug_.
>>> Right now, the name looks much too tempting for users to fiddle with.
>>> I think this is similar to force_parallel_mode.
>>>
>>
>> +1. How about debug_logical_replication?
>>
>>> Also, the descriptions in guc_tables.c could be improved. For
>>> example,
>>>
>>> gettext_noop("Controls when to replicate or apply each change."),
>>>
>>> is pretty content-free and unhelpful.
>>>
>>
>> The other possibility I could think of is to change short_desc as:
>> "Allows to replicate each change for large transactions.". Do you have any
>> better ideas?
>
> How about "Forces immediate streaming or serialization of changes in large
> transactions." which is similar to the description in document.
>
> I agree that renaming it to debug_xx would be better and
> here is a patch that tries to do this.

Maybe debug_logical_replication is too general? Something like
debug_logical_replication_streaming would be more concrete. (Or
debug_logical_streaming.) Is that an appropriate name for what it's doing?