| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Scaling PostgreSQL at multicore Power8 |
| Date: | 2015-08-31 16:06:27 |
| Message-ID: | 20150831160627.GA31526@awork2.anarazel.de |
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| Lists: | pgsql-hackers |
On 2015-08-31 17:54:17 +0200, Tomas Vondra wrote:
> [scratches head] So does this mean it's worth testing the patch on x86 or
> not, in it's current state?
You could try if you're interested. But I don't think it's super
meaningful. The patch is just a POC and rather widely incorrect.
Don't get me wrong, I think it's rather important that we fix this. But
that requires, imo, conceptual/development work right now, not
performance testing.
> Or should we come up with another test case, exercising the nested
> loops?
You'd need to do that, yes.
Greetings,
Andres Freund
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