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Subject: Re: Anyone interested in a server build contract?
From: "Allen S. Rout" <[log in to unmask]>
Reply-To:Platform Independent Linux List! <[log in to unmask]>
Date:Thu, 24 May 2018 16:31:59 -0400

text/plain (96 lines)

I thought the same; but I'm in AWS training, so my vision is a little
cloudy this week.  *koff*.

- Allen S. Rout

On 05/24/2018 02:23 PM, Kozakoff,Stephen J wrote:
> Yes, or they could borrow a test system on AWS before investing in
> hardware.
> *From:*Platform Independent Linux List! [mailto:[log in to unmask]]
> *On Behalf Of *Jon Akers
> *Sent:* Thursday, May 24, 2018 2:18 PM
> *To:* [log in to unmask]
> *Subject:* Re: [LINUX-L] Anyone interested in a server build contract?
> Nawww... you can do a 384gb system for around $15k (including the NVMe
> stuff) no problems. This guys wants to do big expanses of NVMe drives to
> solve his problem, when it might be a case of memory that will be a
> better solution.
> On Thu, May 24, 2018 at 2:10 PM, Kozakoff,Stephen J <[log in to unmask]
> <mailto:[log in to unmask]>> wrote:
>     >> it's kinda huge
>     Good point. I found the reqs: 100GB of free disk space to checkout
>     the code and an extra 150GB to build it
>     I supposed 250GB of free RAM might not be easy to come by.
>     -----Original Message-----
>     From: Platform Independent Linux List! [mailto:[log in to unmask]
>     <mailto:[log in to unmask]>] On Behalf Of John Gelnaw
>     Sent: Thursday, May 24, 2018 1:21 PM
>     To: [log in to unmask] <mailto:[log in to unmask]>
>     Subject: Re: [LINUX-L] Anyone interested in a server build contract?
>     On Thursday, May 24, 2018 12:59:27 PM EDT Kozakoff,Stephen J wrote:
>     > I would be curious if building in memory might improve performance. I
>     > know tmpfs is subject to being swapped out to disk, but, it's got to
>     > be faster than just straight disk if there is enough memory in the
>     box.
>     >
>     > Something like...
>     >
>     > mount -o size=1G -t tmpfs "build" /mnt/build
>     Unlikely, based on the phoronix tests. Also, since it's the Android
>     OS, it's kinda huge.  Finally-- in the pet peeve category:  Stop
>     using /mnt for anything that isn't transitory.  :)
>     I suspect the biggest improvement would be gained by using:
>     # make -j`nproc`
>     instead of just "make".  Anecdotally, on a box with 12g of RAM, it
>     apparently reduced the build time from 6 hours to 40 minutes
>     (according to j random internet poster.  Apply salt as needed).
>     Personally, I would recommend a 16 (or more) core server with at
>     least 32gb of ram, tiered storage (RAID-5 for long term for storage,
>     one or more SSD's for build/scratch), and a copy of gitlab community
>     edition with continuous
>     integration-- in short, an actual build server, and stop abusing the
>     laptops.
>     Do the builds inside a docker container (there are several that
>     already exist) to maintain the ubuntu 14.04 environment, and use as
>     much memory and threads as possible.
>     In short-- Boost everything except the storage bandwidth, because it
>     probably isn't the limiting factor.  :)
>     --
>     John Gelnaw <[log in to unmask] <mailto:[log in to unmask]>>
>     University of Florida Health IT

Allen S. Rout
MS in Information Systems and Operations Management | Hough Graduate
School of Business
[log in to unmask]

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