Re: Cirrus-ci is lowering free CI cycles - what to do with cfbot, etc?

On Wed, Aug 9, 2023 at 3:26 AM Andres Freund <andres(at)anarazel(dot)de> wrote:

>
> > > 6) Disable write cache flushes on windows
> > >
> > > It's a bit ugly to do this without using the UI... Shaves off
> about 30s
> > > from the tests.
> >
> > A brief comment would be nice: "We don't care about persistence over hard
> > crashes in the CI, so disable write cache flushes to speed it up."
>
> Turns out that patch doesn't work on its own anyway, at least not
> reliably... I tested it by interactively logging into a windows vm and
> testing
> it there. It doesn't actually seem to suffice when run in isolation,
> because
> the relevant registry key doesn't yet exist. I haven't yet figured out the
> magic incantations for adding the missing "intermediary", but I'm getting
> there...
>
>
You can find a good example on how to accomplish this in:

https://github.com/farag2/Utilities/blob/master/Enable_disk_write_caching.ps1

Regards,

Juan José Santamaría Flecha