Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!1.eu.feeder.erje.net!news-2.dfn.de!news.dfn.de!newsfeed.pionier.net.pl!feed.xsnews.nl!border03.ams.xsnews.nl!feeder04.ams.xsnews.nl!abp002.ams.xsnews.nl!frontend-F10-20.ams.news.kpn.nl From: Cecil Westerhof Newsgroups: comp.lang.python Subject: Re: l = range(int(1E9)) Organization: Decebal Computing References: <87k2wtvbx1.fsf@Equus.decebal.nl> X-Face: "(y8cC@tg_12{">GF'UXTW]FHI2wMiZNrnf'1EFQ&O#$m:f#O7+7}kR,v+Pti8=Vi/Z"g^?b"E X-Homepage: http://www.decebal.nl/ Date: Thu, 30 Apr 2015 19:26:38 +0200 Message-ID: <878ud9v86p.fsf@Equus.decebal.nl> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) Cancel-Lock: sha1:KMW0YnkJED9MMpEpJ9L4WqE0B5U= MIME-Version: 1.0 Content-Type: text/plain Lines: 29 NNTP-Posting-Host: 81.207.62.244 X-Trace: 1430414932 news.kpn.nl 21172 81.207.62.244@kpn/81.207.62.244:39936 Xref: csiph.com comp.lang.python:89649 Op Thursday 30 Apr 2015 18:33 CEST schreef Grant Edwards: > On 2015-04-30, 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? > > I presume "don't do that" has already occured to you? Well, it is just playing with the possibilities/limits of Python. Better getting the problem now, then when I can not afford to lose time. ;-) > You can always use ulimit to limit the memory allowed for the > process running Python. That works, yes. Now I get a MemoryError and the other processes are left alone. Now determining what are the best values. -- Cecil Westerhof Senior Software Engineer LinkedIn: http://www.linkedin.com/in/cecilwesterhof