Re: Memory leak in LWP is not cured with perl's malloc()

Marc Langheinrich (marclang@cs.washington.edu)
Wed, 21 Jul 1999 13:41:12 +0900 

On Wed, Jul 21, 1999 at 02:41:24AM +0300, Ilya Ketris wrote:
> 	This program grows in size.  If you substitute
> 	'http://www' with 'www', making it invalid URI, or with
> 	'http://nosuchhost', making it not to resolve, it does
> 	NOT grow.  'ftp://ftphost' grows as well.
The above program works fine (i.e. without leaks) for me (constant use of
about 2.0% after 2:00 minutes):

  PID USER     PRI  SIZE  RSS SHARE STAT  %CPU %MEM   TIME COMMAND
 9872 marc      10  3280 3280  1020 R     68.3  2.0   2:27 perl test.pl

For what it's worth:

Summary of my perl5 (5.0 patchlevel 5 subversion 2) configuration:
  Platform:
    osname=linux, osvers=2.0.34, archname=i686-linux
    uname='linux saxifrage.cs.washington.edu 2.0.34 #7 mon jul 6 18:26:36 pdt 1998 i686 unknown '
    hint=recommended, useposix=true, d_sigaction=define
    usethreads=undef useperlio=undef d_sfio=undef
  Compiler:
    cc='cc', optimize='-O2', gccversion=2.7.2.3
    cppflags='-Dbool=char -DHAS_BOOL -I/usr/local/include'
    ccflags ='-Dbool=char -DHAS_BOOL -I/usr/local/include'
    stdchar='char', d_stdstdio=define, usevfork=false
    intsize=4, longsize=4, ptrsize=4, doublesize=8
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
    alignbytes=4, usemymalloc=n, prototype=define
  Linker and Libraries:
    ld='cc', ldflags =' -L/usr/local/lib'
    libpth=/usr/local/lib /lib /usr/lib
    libs=-lnsl -lndbm -lgdbm -ldb -ldl -lm -lc -lposix -lcrypt
    libc=, so=so, useshrplib=false, libperl=libperl.a
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-rdynamic'
    cccdlflags='-fpic', lddlflags='-shared -L/usr/local/lib'

-- 
Marc Langheinrich
marclang@cs.washington.edu