[Info-vax] What does VMS get used for, these days?

[Arne Vajhøj]

On 11/3/2022 2:32 PM, Dan Cross wrote:
> In article <tk0r9u$1f47k$1 at dont-email.me>,
> Chris Townley  <news at cct-net.co.uk> wrote:
>> On 03/11/2022 13:26, Simon Clubley wrote:
>>> On 2022-11-02, Arne Vajhøj <arne at vajhoej.dk> wrote:
>>>>
>>>> And I don't believe in the unique killer feature
>>>> idea at all - such get copied very quickly.
>>>>
>>>
>>> It took a quarter of a century for clustering on other operating systems
>>> to catch up to VMS clustering.
>>
>> Has it actually caught up?
> 
> This is a definitional question.  Other systems
> took a different tack, where "clustering" happens
> at a higher level (e.g., an RDBMS or something).
> In that sense, not only have they caught up, but
> they've surpassed what VMS does.

Yes.

Application clusters over OS clusters.

Shared everything:

Databases - Oracle RAC, DB2 Purescale, ASE Cluster Edition,
Cache servers
Application servers

Shared nothing:

Databases - MySQL cluster, DB2 Warehouse Edition, Cassandra, HBase, 
MongoDB etc.
Web servers

Arne