[ZODB-Dev] Re: Problem Storing Infinity

Tres Seaver tseaver at palladion.com
Tue Sep 12 16:42:31 EDT 2006


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Jim Fulton wrote:
> 
> On Sep 12, 2006, at 3:07 PM, Tim Peters wrote:
> 
>> [David Binger]
>>>>> That's interesting.
>>>>> It appears that pickle protocol 2 chokes on inf.
>>
>> [Tim Peters]
>>>> As above.  BTW, why protocol 2 specifically?  Protocols 1 and 2 treat
>>>> floats the same way.
>>
>> [David]
>>> I was thinking that the default protocol is 1, but I see
>>> now that the default is 0.
>>
>> Strange, eh?  Since only protocol 0 existed at first, I suppose this
>> was a nod to backward compatibility.
> 
> Plus version 0 pickles are more readable. :)  Honestly.

The verbosity comes at a non-trival price in high-write scenarios.
Being able to compress away the class name of 'OOBucket', for instance,
could reduce the amount of crap slung throgh the network by a lot.

> (Some time I really need to promote xmlpickle more. It's very nice for
> looking at pickles. Unfortunately, it doesn't understand protocol 2 yet.)

Tres.
- --
===================================================================
Tres Seaver          +1 202-558-7113          tseaver at palladion.com
Palladion Software   "Excellence by Design"    http://palladion.com
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