[Vm-dev] linux build stability

[Igor Stasenko]

On 2 February 2011 21:42, John M McIntosh
<johnmci at smalltalkconsulting.com> wrote:
>
> I recall reading a paper back in the early 2000 era about Google's finding as they were the first folks to build out extremely large linux based server farms.
> Their comment was even tho we ordered oh say 1000 machines from vendor X and they were technically "identical" and we ran the same bit identical software we found that there was always a few percent that behaved differently.  Due to issues with hard drive, memory, or the fact the vendor changed suppliers for some particular week, karma or cosmic rays?
> The uptake was even if two machines were the "same" and the software bit identical, behaviour might be different. Sometimes this was explainable, other times, Karma?
>

:)

I am still leaning more towards thinking that there are some unusual
bug in Cog code, rather than in compiler.

Or some concurrency issue, because hearbeat runs in separate thread
than vm thread.

> On 2011-02-02, at 12:35 PM, Eliot Miranda wrote:
>
>

-- 
Best regards,
Igor Stasenko AKA sig.