| From: | Simon Riggs <simon(dot)riggs(at)enterprisedb(dot)com> |
|---|---|
| To: | Nathan Bossart <nathandbossart(at)gmail(dot)com> |
| Cc: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Zheng Li <zhengli10(at)gmail(dot)com>, Jim Nasby <nasbyj(at)amazon(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Reducing power consumption on idle servers |
| Date: | 2022-11-21 07:39:58 |
| Message-ID: | CANbhV-FdZd-zvD=uOKuB7X-bNAbUowKOnwwMf2emDgAFdaAhGA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sun, 20 Nov 2022 at 22:55, Nathan Bossart <nathandbossart(at)gmail(dot)com> wrote:
>
> On Mon, Nov 21, 2022 at 10:31:15AM +1300, Thomas Munro wrote:
> > On Mon, Nov 21, 2022 at 9:00 AM Simon Riggs
> > <simon(dot)riggs(at)enterprisedb(dot)com> wrote:
> >> As a 3rd patch, I will work on making logical workers hibernate.
> >
> > Duelling patch warning: Nathan mentioned[1] that he's hacking on a
> > patch for that, along the lines of the recent walreceiver change IIUC.
>
> I coded something up last week, but, like the walreceiver patch, it caused
> check-world to take much longer [0], and I haven't looked into whether it
> could be easily fixed. I'm hoping to make some time for this again in the
> near future.
>
> [0] https://postgr.es/m/20221113222644.GA1269110%40nathanxps13
OK, Nathan, will leave this one to you - remembering that we need to
fix ALL processes to get a useful power reduction when idle.
--
Simon Riggs http://www.EnterpriseDB.com/
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