[Beowulf] Update on dealing with Spectre and Meltdown

Michael Di Domenico mdidomenico4 at gmail.com
Fri Mar 9 05:07:44 PST 2018


we've put the kernel updates in place as part of our normal patching,
but not the firmware updates.  nothing overly relevant has been
noticed so far

On Thu, Mar 8, 2018 at 1:10 PM, Prentice Bisbal <pbisbal at pppl.gov> wrote:
> Beowulfers,
>
> Have any of you updated the kernels on your clusters to fix the Spectre and
> Meltdown vulnerabilities? I was following this issue closely for the first
> couple of weeks. There seemed to be a lack of consensus on how much these
> fixed would impact HPC jobs, and if I recall correctly, some of the patches
> really hurt performance, or caused other problems. We took a wait-and-see
> approach here. So now that I've waited a while, what did you see?
>
> --
> Prentice
>
> _______________________________________________
> Beowulf mailing list, Beowulf at beowulf.org sponsored by Penguin Computing
> To change your subscription (digest mode or unsubscribe) visit
> http://www.beowulf.org/mailman/listinfo/beowulf


More information about the Beowulf mailing list