[Python-Dev] MemoryError... how much memory?

[Georg Brandl]

Am 28.10.2010 15:14, schrieb "Martin v. Löwis":
>> Furthermore, our server is fairly complex: we're using quite some
>> libraries to do different jobs, and one of the approaches (not the
>> only one) that we're taking to deal with this beast is to analyze its
>> memory-related behaviour from an external POV (thinking it as a black
>> box).
>> 
>> So, beyond it's arguable utility, do you think that having that
>> information could harm us in some way?
> 
> I think implementing it might do harm. When a memory error is raised,
> you are typically out of memory, so allocating more memory might fail
> (it just did). Therefore, allocating more objects or doing string
> formatting will likely fail (unless the requested size is much larger
> than the memory required for these operations).
> 
> So the chance increases that you trigger a fatal error.

Especially since we have a MemoryError instance preallocated to avoid
exactly this problem.

Georg

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