[ZODB-Dev] 32-bit vs 64-bit - RelStorage on MySQL

[Hanno Schlichting]

On Thu, Nov 18, 2010 at 5:19 PM, Leonardo Santagada <santagada at gmail.com> wrote:
> On Thu, Nov 18, 2010 at 1:47 PM, Chris Withers <chris at simplistix.co.uk> wrote:
>> On 18/11/2010 15:39, Marius Gedminas wrote:
>>> About the only noticeable difference -- other than the obvious memory
>>> growth
>>
>> What obvious memory growth?
>
> The one from pointers and anything related to memory going from 32bits
> to 64bits in size. Py_objects get fatter because of that.

For Zope based applications I've generally seen 50% to 100% memory
growth when moving to 64bit. That's why we stick to 32bit for a number
of memory hungry applications (*wink* Plone).

Hanno