On 2016-04-08 13:07:05 +0530, Amit Kapila wrote:
> I think by now, we have done many tests with both approaches and we find
> that in some cases, it is slightly better and in most cases it is neutral
> and in some cases it is worse than group clog approach. I feel we should
> go with group clog approach now as that has been tested and reviewed
> multiple times and in future if we find that other approach is giving
> substantial gain, then we can anyway change it.
I think that's a discussion for the 9.7 cycle unfortunately. I've now
pushed the #clog-buffers patch; that's going to help the worst cases.
Greetings,
Andres Freund