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Re: Summary of the Arm ports BoF at DC18


I've added Vagrant to this loop... leaving more context for him (than I
would usually leave)

On Wed, Nov 07, 2018 at 07:21:21PM +0000, Steve McIntyre wrote:
> [ Apologies for the slow response - I've been struggling with a bad
>   cold for the last week. :-( ]

Same here. I hope you're better now!

> Holger Levsen wrote:
> >On Sun, Oct 28, 2018 at 05:01:05PM +0000, Steve McIntyre wrote:
> >> I now have 3 more basic Synquacer machines in my posession, ready to
> >> order new cases, RAM, etc. (They ship in desktop cases with a single
> >> 1TB hard drive and 4 GiB of RAM.) Again, I'm hoping to pick more up in
> >> the future, but supply is still limited.
> > 
> >very nice!
> >
> >> Again, I'll reiterate - these machines are *not* fast for
> >> single-threaded workloads but they have a lot of cores so it's
> >> perfecty reasonable to run lots of things in parallel. For my own
> >> build testing, I've been running up to 6 sbuilds in parallel for
> >> better throughput while lots of our builds don't parallelise
> >> individually. They should also work well for multiple VMs running in
> >> parallel.
> >
> >6 sbuilds with how much RAM? 
> That was with 32GiB.


> >> So, practical questions...
> >> 
> >> Hardware setup: I've configured the earlier 3 as buildds in little 1U
> >> cases with 32GiB RAM and mirrored SSDs, but for $reasons they're not
> >> yet installed and running. I'm assuming that a similar spec would be
> >> wanted for autopkgtest/ci and reproducible builds?
> >
> >yes. 32gb ram sounds reasonable. 100 or better 200gb ssd is fine for us.
> OK, that's easy.


> >> If so, we'll need
> >> to ask for approval for funds for that - it cost ~£750 per machine to
> >> do it. I had offers of funds at DC18 which I'm about to chase to help.
> > 
> >cool, thanks! (for everything! :)
> There's no guarantee of further sponsorship for this, so (as I just
> said to Antonio too) asking the DPL for more funding is probably the
> way to go.

so that would be 3*£750 in total?

> >> Hosting: Talking to DSA, it seems they're not too keen on hosting /
> >> managing new machines for these projects. What are current hosting
> >> arrangements for you folks?
> >
> >we have a zoo of armhf/arm64 machines in Vagrant's basement, 8 arm64
> >sleds at codethink and lots of virtual machines in the profitbricks
> >cloud. we maintaim them ourselves.
> Hmmm, OK. What would be the best option for hosting machines like
> this, then? Hell, they're low enough power that I could *maybe* even
> host them here at home for you if needed. (Will need to verify with my
> wife!).

I think the best option would be your or Vagrant's basement. ;)


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