On 10/04/17 14:40, Tom Lane wrote:
> Petr Jelinek <petr.jeli...@2ndquadrant.com> writes:
>> Looks good to me. Just as a note, we'll have to handle this newly
>> supported config rereads in the async commit patch where we override
>> synchronous_commit GUC, but the config reread will change it back.
>
> Umm ... you're doing what?
>
We are doing:
+ SetConfigOption("synchronous_commit",
+ MySubscription->synccommit ?
"local" : "off",
+ PGC_BACKEND, PGC_S_OVERRIDE);
> There are mechanisms for making local changes to a GUC. Just stomping
> on the variable is not an approved way to do it.
>
I don't remember from top of my head if above is safe enough against
config reread or not, hence the note.
--
Petr Jelinek http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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