l = range(int(1E9))
davea at davea.name
Thu Apr 30 20:59:42 CEST 2015
On 04/30/2015 02:48 PM, alister wrote:
> On Thu, 30 Apr 2015 20:23:31 +0200, Gisle Vanem wrote:
>> Cecil Westerhof wrote:
>>> If I execute:
>>> l = range(int(1E9)
>>> The python process gobbles up all the memory and is killed. The problem
>>> is that after this my swap is completely used, because other processes
>>> have swapped to it. This make those programs more slowly. Is there a
>>> way to circumvent Python claiming all the memory?
>>> By the way: this is CPython 2.7.8.
>> On what OS? If I try something similar on Win-8.1 and CPython 2.7.5
>> python -c "for i in range(int(1E9)): pass"
>> Traceback (most recent call last):
>> File "<string>", line 1, in <module>
> also MemoryError on Fedora 21 32 bit
That's presumably because you end up running out of address space before
you run out of swap space. On a 64 bit system the reverse will be true,
unless you have a really *really* large swap file
ulimit is your friend if you've got a program that wants to gobble up
all of swap space.
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