# Ruby 1.9 trunk core ($global\_var and 250mb over file)

**URL:** <https://www.ruby-forum.com/t/ruby-1-9-trunk-core-global-var-and-250mb-over-file/106073>\
**Category:** Development\
**Created:** [June 6, 2007, 6:39am UTC](https://www.ruby-forum.com/t/ruby-1-9-trunk-core-global-var-and-250mb-over-file/106073 "2007-06-06T06:39:01Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![WATANABE\_Tetsuya](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/w/46a35a/32.png) [@WATANABE\_Tetsuya](https://www.ruby-forum.com/u/WATANABE_Tetsuya)\
**Post date:** [June 6, 2007, 6:39am UTC](https://www.ruby-forum.com/t/ruby-1-9-trunk-core-global-var-and-250mb-over-file/106073/1 "2007-06-06T06:39:01Z")

</div>

e$BEOJUE/Li$G$9!#e(B

ruby 1.9 trunk e$B$Ge(B core e$B$7$?$N$G$\*CN$i$;$7$^$9!#e(B

ruby 1.9.0 (2007-06-06 patchlevel 0) [i686-linux] rev 12449  
Vine Linux 3.2 glibc-2.3.3-3vl1.3

e$B:F8=J}K!e(B

e$B:F8=%9%/%j%W%H$G$9!#\>r7o$r$7$$j9~$s$@$H$3$m%0%m!\<%P%kJQ?te(B($  
e$BIU$-$NJQ?te(B)e$B$GH/@8$9$k$h$&$G$9!#:G=i$K5$$,IU$$$?$H$-$O!"e(B$\_  
e$B$Ge(B  
e$B5/$-$^$7$?!#e(B

* * *

## while $a = gets end

e$B%U%!%$%k%5%$%:$Oe(B 250MB  
e$BDxEYI,MW$N$h$&$G$9!#%F%-%9%H%U%!%$%k7Oe(B  
e$B$G85%U%!%$%k$rMQ0U$7$F!"\<!$N$h$&$KG$Ke(B(e$B%U%!%$%k$N?t$rA}$d$;$Pe(B  
e$B$5$i$Ke(B)e$B$7$Fe(B 250MB e$BDxEY$N%U%!%$%k$rMQ0U$7$F$/$@$5$$!#e(B

* * *

## cat j.txt j.txt \>| jj.txt cat jj.txt jj.txt \>| j.txt

e$B%P%C%/%H%l!\<%9$G$9!#e(B

* * *

#0 0x40134a6f in mallopt () from /lib/i686/libc.so.6  
#1 0x40133d23 in malloc () from /lib/i686/libc.so.6  
#2 0x0805ec91 in ruby\_xmalloc (size=1075819392) at gc.c:239  
#3 0x0805ed23 in ruby\_xmalloc2 (n=1075819392, size=1) at gc.c:259  
#4 0x080a38ab in rb\_str\_buf\_new (capa=128) at string.c:286  
#5 0x08062aaa in appendline (fptr=0x816a320, delim=10, strp=0xbf800138,  
lp=0xbf800158) at io.c:1560  
#6 0x08062c56 in rb\_io\_getline\_fast (fptr=0x816a320, delim=10 ‘\n’,  
limit=0) at io.c:1642  
#7 0x080630de in rb\_io\_gets (io=1076507540) at io.c:1784  
#8 0x08066181 in argf\_getline (argc=0, argv=0x401ff020) at io.c:4451  
#9 0x08066280 in rb\_f\_gets (argc=0, argv=0x401ff020) at io.c:4511  
#10 0x080bdf0e in call\_cfunc (func=0x80661e6 \<rb\_f\_gets\>,  
recv=1076549840, len=1075819392, argc=0, argv=0x401fb390) at  
call\_cfunc.ci:32  
#11 0x080bbfc3 in th\_eval (th=0x8130fd8, initial=0) at insns.def:1279  
#12 0x080bd85f in th\_eval\_body (th=0x8130fd8) at vm.c:1658  
#13 0x080bdd48 in rb\_thread\_eval (th=0x8130fd8, iseqval=1076507960) at  
vm.c:1864  
#14 0x080bf115 in yarvcore\_eval\_iseq (iseq=1076507960) at yarvcore.c:98  
#15 0x080bf1b2 in yarvcore\_eval\_parsed (node=0x402a35b0,  
file=1076508060) at yarvcore.c:130  
#16 0x080593ea in ruby\_exec\_internal () at eval.c:212  
#17 0x08059425 in ruby\_exec () at eval.c:227  
#18 0x0805945b in ruby\_run () at eval.c:246  
#19 0x08056df9 in main () at main.c:47  
#20 0x400d9c1f in \_\_libc\_start\_main () from /lib/i686/libc.so.6

---

<div class="post-metadata">

**Author:** ![WATANABE\_Tetsuya](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/w/46a35a/32.png) [@WATANABE\_Tetsuya](https://www.ruby-forum.com/u/WATANABE_Tetsuya)\
**Post date:** [June 9, 2007, 7:50am UTC](https://www.ruby-forum.com/t/ruby-1-9-trunk-core-global-var-and-250mb-over-file/106073/2 "2007-06-09T07:50:11Z")

</div>

e$BEOJUE/Li$G$9!#e(B

[ruby-dev:30900] ruby 1.9 trunk core ($global\_var and 250mb over file)  
e$B$N7P2aJs9p$G$9!#e(B

e$B8=:\_e(B  
ruby 1.9.0 (2007-06-08 patchlevel 0) [i686-linux]  
e$B$r;H$C$F$$$^$9!#e(B

e$B0JA0%9%?%C%/$rJQ99$9$k$3$H$Ge(B core  
e$B$r2sHr$G$-$k\>l9g$,$"$j$^$7$?!#:#2s$be(B  
e$B%9%?%C%/%5%$%:$rA}$d$9$3$H$G2sHr$G$-$k$h$&$G$9!#e(B

* * *

## $ ll ~/Mail/trash/SPAM0401 -rw------- 1 tetsu cdwrite 26670666 Feb 1 2004 /home/tetsu/Mail/trash/SPAM0401 $ ulimit -s 16384 $ ruby j.rb ~/Mail/trash/SPAM0401 ruby j.rb ~/Mail/trash/SPAM0401 2.14s user 0.35s system 94% cpu 2.645 total $ ulimit -s 8192 $ ruby j.rb ~/Mail/trash/SPAM0401 zsh: 9717 segmentation fault (core dumped) ruby j.rb ~/Mail/trash/SPAM0401 ruby j.rb ~/Mail/trash/SPAM0401 1.96s user 0.40s system 100% cpu 2.346 total

e$B0JA0$Ne(B core e$B$N$\*$7$i$;e(B([ruby-dev:30791] 1.9  
coredump)e$B$G!"e(Bcore e$B$7$J$/$J$Ce(B  
e$B$?$HJs9p$7$?$N$G$9$,!"8=:_$G$be(B core  
e$B$7$F$$$^$9!#e(B[ruby-dev:30839] Re:  
1.9 coredump  
e$B$G!“3NG’$7$?$O$:$J$N$G$9$,!”;d$N%_%9$+$b$7$l$^$;$s!#$9$$e(B  
e$B$^$;$s!#e(B

[ruby-dev:30791] 1.9 coredump e$B:G=i$NJs9pe(B  
[ruby-dev:30794] Re: 1.9 coredump e$B%9%?%C%/%5%$%:$NJQ99$Ge(B  
coredump e$B2sHre(B  
[ruby-dev:30839] Re: 1.9 coredump  
e$B%G%U%)%k%H%9%?%C%/%5%$%:$G8=\>]$,5/$-$J$/$J$k$3$H$rJs9pe(B

e$B4XO"e(B URL e$B$G$9!#e(B

[ruby-dev:30900] ruby 1.9 trunk core ($global\_var and 250mb over file)  
[http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-dev/30900](http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-dev/30900)

[ruby-dev:30791] 1.9 coredump  
[http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-dev/30791](http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-dev/30791)

[ruby-dev:30794] Re: 1.9 coredump  
[http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-dev/30794](http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-dev/30794)

[ruby-dev:30839] Re: 1.9 coredump  
[http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-dev/30839](http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-dev/30839)

In message “[ruby-dev:30900] ruby 1.9 trunk core ($global\_var and 250mb  
over file)”  
on 07/06/06, WATANABE Tetsuya e$B$5$se(B writes:

|------------------------------  
|  
|while $a = gets

| end |
| --- |
| |
| e$B%U%!%$%k%5%$%:$Oe(B 250MB e$BDxEYI,MW$N$h$&$G$9!#%F%-%9%H%U%!%$%k7Oe(B |
| e$B$G85%U%!%$%k$rMQ0U$7$F!"\<!$N$h$&$KG$Ke(B(e$B%U%!%$%k$N?t$rA}$d$;$Pe(B |
| e$B$5$i$Ke(B)e$B$7$Fe(B 250MB e$BDxEY$N%U%!%$%k$rMQ0U$7$F$/$@$5$$!#e(B |