| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Jim Nasby <nasbyj(at)amazon(dot)com> |
| Cc: | Simon Riggs <simon(dot)riggs(at)enterprisedb(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Reducing power consumption on idle servers |
| Date: | 2022-03-03 22:49:28 |
| Message-ID: | 3641157.1646347768@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Jim Nasby <nasbyj(at)amazon(dot)com> writes:
> I'm wondering if it'd be worth linking autovac wakeup from a truly idle
> state to the stats collector. If there's no stats messages coming in
> clearly there's nothing new for autovac.
That seems pretty scary in the current system design, where the
stats collector is intentionally not 100% reliable (and sometimes,
less intentionally, it fails completely). If we get to a place
where we're willing to bank on stats being collected 100% of the
time, it might make sense.
regards, tom lane
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