Subject Re: [firebird-support] Re: Performance tuning large FDB
Author Daniel Rail
Hi,

At January 20, 2006, 7:00 AM, Jan Bakuwel wrote:

> Hoi Ali,

> Thanks for replying.

>> This parameters will be ignored FB or any 32bit application.
>> 819TonePages are out of range. (<10,000 suitable for <=FB1.x)
>> 1 GB RAM for any allocation to sorting???
>> 4 GB RAM for sorting operations???
>>
>> Jan, 32 bit executables can addressed only in 32bit range.
>> FB cannot use this limit totally for sorting only.

> I see your point. However, since FB is able to use >2GB files (by
> utilising 64bit 'addresses'), it being a 32bit app does not necessarily
> mean it is unable to address anything beyond a 32bit address. If it can
> do it on disc, it can do it in memory I would say.

Adding the ability to address memory beyond the 32-bit address space
either means using paging or segmentation of the application's memory.

For more information you can read this:
http://lists.debian.org/debian-amd64/2005/10/msg00788.html

--
Best regards,
Daniel Rail
Senior Software Developer
ACCRA Consultants Inc. (www.accra.ca)
ACCRA Med Software Inc. (www.filopto.com)