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Re: Adding CI to our tree - Mailing list pgsql-hackers

From Thomas Munro
Subject Re: Adding CI to our tree
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Msg-id CA+hUKG+Y_9PNuLsLXi-_8CqcMJ6+OW-NuGE6vwDKSVMCnCiKqA@mail.gmail.com
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In response to Re: Adding CI to our tree  (Andres Freund <andres@anarazel.de>)
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On Thu, Mar 10, 2022 at 4:33 PM Andres Freund <andres@anarazel.de> wrote:
> On 2022-03-10 15:43:16 +1300, Thomas Munro wrote:
> > I'm confused.
>
> The "terrible IO wait" thing was before we reduced the number of CPUs and
> concurrent jobs. It makes sense to me that with just two CPUs we're CPU bound,
> in which case -Og obviously can make a difference.

Oh, duh, yeah, that makes sense when you put it that way and
considering the CPU graph:

-O0: https://cirrus-ci.com/task/4578631912521728
-Og: https://cirrus-ci.com/task/5239486182326272

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