| From: | Bernd Helmle <mailings(at)oopsware(dot)de> |
|---|---|
| To: | Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: LWLock optimization for multicore Power machines |
| Date: | 2017-02-03 20:31:26 |
| Message-ID: | 1486153886.26345.1.camel@oopsware.de |
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| Thread: | |
| Lists: | pgsql-hackers |
On Fri, 2017-02-03 at 20:11 +0300, Alexander Korotkov wrote:
> On Fri, Feb 3, 2017 at 8:01 PM, Alexander Korotkov <
> a(dot)korotkov(at)postgrespro(dot)ru> wrote:
>
> > Unfortunately, I have no big enough Power machine at hand to
> > reproduce
> > that results. Actually, I have no Power machine at hand at
> > all. So,
> > lwlock-power-2.patch was written "blindly". I would very
> > appreciate if
> > someone would help me with testing and benchmarking.
> >
>
> UPD: It appears that Postgres Pro have access to big Power machine
> now.
> So, I can do testing/benchmarking myself.
>
Hi Alexander,
We currently also have access to a LPAR on an E850 machine with 4
sockets POWER8 running a Ubuntu 16.04 LTS Server ppc64el OS. I can do
some tests next week, if you need to verify your findings.
Thanks,
Bernd
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