[Info-vax] V9.2-1 Page file size

[Arne Vajhøj]

On 2/24/2024 11:11 PM, John H. Reinhardt wrote:
> On 2/24/2024 7:02 PM, Chris Townley wrote:
>> On 25/02/2024 00:52, Arne Vajhøj wrote:
>>> I don't get it. 8 GB RAM makes sense. I would go for 20/30/40/50 GB
>>> disk.
>>>
>>> I don't think you need that big a dump file. It may want that big
>>> a dump file, but if I remember correctly then VMS writes a subset
>>> of data if the dumpfile is not big enough for all data. Obviously
>>> if you want perfect analysis of a crash, then a full size dumpfile
>>> may be nice, but ...
>>>
>>> Arne
>>
>> But I only have system on the system disc. ISTR when we moved to IA64, 
>> we started with 8Gb, but had to increase it to have the Oracle client.
>>
>> I wonder what VSI have to say. When the resolve the gateway timeout, I 
>> might post there
>>
> 
> On my V9.2-2 install (not upgrade)I created a 24GB system disk.  I 
> allocated 12GB of memory and it creates a 2MB page file.  Install left 
> 10.2GB free so Install uses about 14GB on my system.  This includes an 
> 11.74GB dump file to match the 11.74GB usable memory.  Autoconfig at the 
> end did not try to make a bigger page file nor create a swapfile.

I got a very small pagefile as well by default. But I increased the
size.

I believe it is still:

memory usage exceed WSEXTENT => application can not allocate memory and 
crash

running out of PAGEFILE => system crashes

so WSEXTENT < sizeof(PAGEFILE) makes sense to me.

Arne