I found that it was caused by not by python but by 
/usr/lib/locale/locale-archive, the same problem as that described in
http://illiterat.livejournal.com/4615.html.

William

在 2013年7月18日星期四UTC+8下午12时45分01秒,William Bai写道:
> Hi:
> 
> 
> 
>    Previously, we found that our python scripts consume too much memory. So I 
> use python's resource module to restrict RLIMIT_AS's soft limit and hard 
> limit to 200M.
> 
> On my RHEL5.3(i386)+python2.6.2, it works OK. But on CentOS 
> 6.2(x86_64)+python2.6.6, it reports memory error(exceeding 200M).
> 
> 
> 
>     And I tested with a very small script, and result is out of my expect, it 
> still use too much memory on my CentOS 6.2 python:
> 
> import time
> 
> time.sleep(200)
> 
> 
> 
>     I use guppy and memory_profiler to see the memory usage and see that 
> python objects just use about 6M memory both on RHEL5.3(i386)+python2.6 and 
> CentOS 6.2(x86_64)+python2.6. But when I cat /proc/<pid>/status. I found that 
> though VmRss is not very large on both machines. But the VmSize on CentOS 
> 6.2(x86_64)+python2.6 is 140M-180M, while on my RHEL5.3+python2.6, the VmSize 
> is just 6M. And I tested on CentOS 5.7(x86_64)+python2.4.3, the VmSize is 70M.
> 
> 
> 
>      I could understand that 64 bit machines will occupy more virtual memory 
> than that on 32 bit, because the length of some types are not the same. But I 
> don't know why they differs so greatly(6M to 180M), Or is this only caused by 
> that python2.6 on CentOS 6.2's memory allocation is different from python's 
> default one? Could you kindly give me some clues? Thank you very much.
> 
> 
> 
> Best Regards
> 
> William

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