| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Speed up Clog Access by increasing CLOG buffers |
| Date: | 2016-04-08 15:32:28 |
| Message-ID: | 20160408153228.j36cknuy3dalxo5h@alap3.anarazel.de |
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| Lists: | 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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