[Beowulf] Update on dealing with Spectre and Meltdown

[Michael Di Domenico]

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
>
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