[Info-vax] Integrated Databases

[Craig A. Berry]

On 5/29/18 9:50 PM, Dave Froble wrote:
> On 5/29/2018 11:48 AM, Stephen Hoffman wrote:
>> On 2018-05-29 14:51:26 +0000, Dave Froble said:
>>
>>> On 5/29/2018 9:34 AM, Stephen Hoffman wrote:
>>>
>>>>> PostgreSQL would be a phenom bundle for businesses looking for an
>>>>> enterprise class database.
>>>>
>>>> Ayup.   https://www.postgresql.org/docs/10/static/index.html
>>>>
>>>> But that port has unfortunately been blocked by flaws in the OpenVMS
>>>> SSIO implementation.
>>>
>>> Which should be fixable by a rather simple enhancement to the DLM. 

>> SSIO and the issues around atomicity are not particularly related to
>> byte-range locking.
>> http://de.openvms.org/TUD2012/opensource_and_unix_portability.pdf
> 
> Ok, that was a bit interesting.  Apparently I didn't understand the 
> entire problem.

> The first problem I see with the SSIO is that it appears to be 
> implemented in the CRTL.  

I guess you skipped the part that says it's implemented as a new API in
the XFC with minor changes to RMS and the XQP. The CRTL is a consumer of
the XFC API.