Re: Speed up Clog Access by increasing CLOG buffers - Mailing list pgsql-hackers

From Andres Freund
Subject Re: Speed up Clog Access by increasing CLOG buffers
Date
Msg-id 20160408153228.j36cknuy3dalxo5h@alap3.anarazel.de
Whole thread Raw
In response to Re: Speed up Clog Access by increasing CLOG buffers  (Amit Kapila <amit.kapila16@gmail.com>)
List pgsql-hackers
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



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