[Beowulf] Update on dealing with Spectre and Meltdown

Alex Chekholko alex at calicolabs.com
Thu Mar 8 10:13:20 PST 2018

As an experienced and cynical HPC admin working with trusted users... I
have not installed any kind of firmware or kernel updates.  I'll wait for
you to go first :)

On Thu, Mar 8, 2018 at 10:10 AM, 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
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.beowulf.org/pipermail/beowulf/attachments/20180308/75595fc4/attachment.html>

More information about the Beowulf mailing list