[Info-vax] VMS on Raspberry Pi 5

[Arne Vajhøj]

On 11/16/2023 11:33 AM, Ahem A Rivet's Shot wrote:
> On Thu, 16 Nov 2023 10:51:04 -0500
> Arne Vajhøj <arne at vajhoej.dk> wrote:
>> On 11/16/2023 9:59 AM, Ahem A Rivet's Shot wrote:
>>> 	So they did it badly - not uncommon. Amazon could not function
>>> without a distributed, scalable, fault tolerant system, there's no way
>>> you could run Amazon mainframe style. Even their core database is
>>> distributed, scalable and fault tolerant relying on guaranteed eventual
>>> consistency rather than ACID which does not scale.
>>
>> I believe Amazon is using many different databases.
> 
> 	AWS provides many databases. Dynamo was created to support Amazon's
> original core business of being a huge international shopping site.

That list was what Amazon use not what AWS offers to customers - that
list is longer.

>>> 	McDonald's did it well.
>>>
>>> <https://www.ciodive.com/news/mcdonalds-cloud-ETL-talend-digital-transformation/523132/
>>
>> It seems that article is about DWH not operational data. Different.
> 
> 	It's about analytics that record every sale in every McDonald's in
> the world and drives their decision making. The point is that it scales
> beyond anything that could be done on a mainframe.

Very true.

When big data is actually big then clusters with thousands of nodes
is the only way to handle the data.

Arne