[Beowulf] apline linux [EXT]

[Jonathan Aquilina]

Hi Tim,

Was tempted to fire up some vm’s on hyper-v. What I am impressed with with nothing installed im seeing alpine running on 50mb. My only issue I will have is actually testing the performance. I don’t have any dummy data to test with ☹

Regards,
Jonathan


From: Tim Cutts <tjrc at sanger.ac.uk>
Sent: 01 February 2021 15:53
To: Jonathan Aquilina <jaquilina at eagleeyet.net>
Cc: Beowulf <beowulf at beowulf.org>
Subject: Re: [Beowulf] apline linux [EXT]

Yes. in theory, although whether it’s worthwhile presumably depends on whether that RAM saving is significant.  If you’re saving, say, 100MB on a 32 GB node, that’s not a vast saving, especially if you’re taking a maths performance hit with it.  Might make an interesting experiment with some real-world code, I suppose!

Tim


On 1 Feb 2021, at 14:46, Jonathan Aquilina <jaquilina at eagleeyet.net<mailto:jaquilina at eagleeyet.net>> wrote:

Hi Tim,

I am asking from the non container side. If one wants to go bare metal wouldn’t that lower ram footprint that alpine provides be advantageous so you can maximize resource usage for what you want to crunch?

Regards,
Jonathan

From: Tim Cutts <tjrc at sanger.ac.uk<mailto:tjrc at sanger.ac.uk>>
Sent: 01 February 2021 15:43
To: Jonathan Aquilina <jaquilina at eagleeyet.net<mailto:jaquilina at eagleeyet.net>>
Cc: Beowulf <beowulf at beowulf.org<mailto:beowulf at beowulf.org>>
Subject: Re: [Beowulf] apline linux [EXT]

The only place I regularly encounter is in containers, so people who are running singularity might find their users are using alpine in a way they can’t easily see.  Presumably the libm point Janne made applies in the container context as well, since the application will presumably be using the container’s libm, not the host node’s library.

Tim



On 30 Jan 2021, at 05:56, Jonathan Aquilina via Beowulf <beowulf at beowulf.org<mailto:beowulf at beowulf.org>> wrote:

Hey guys,

Recently been giving alpine linux a try. I am super impressed on virtualized version of it what a low ram footprint it has 60mb starting. What do you guys think when it comes to alpine linux in the HPC space?

Regards,
Jonathan



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