[sympa-fr] wwsympa.fcgi : consommation mémoire sous FreeBSD

[Éric Mauger <adresse@cachée>]

Bonjour,

Je fais tourner sympa (installation par les packages 6.2.56 puis mis à 
jour en 6.2.60) sur un FreeBSD 12.1
J'ai régulièrement des messages 'out of swap space' liés à une consommation
mémoire excessive de wwsympa.fcgi.
La moindre opération provoque une augmentation de la taille mémoire du 
process perl.

Au démarrage du process, il utilise 181Mo
sympa   15527   2.0  1.0 181944 166120  -  Ss   11:39        0:04.16 
/usr/local/bin/perl /usr/local/libexec/sympa/wwsympa.fcgi

Après une dizaine de requêtes : 1,5Go
sympa   15527   0.0  9.4 1598040 1574372  -  Is   11:39 1:12.96 
/usr/local/bin/perl /usr/local/libexec/sympa/wwsympa.fcgi

J'utilise spawn-fcgi comme indiqué dans la doc, mais je ne pense pas que 
cela ait une influence ...

Je joins ci-dessous le résultat du perl -V

perl -V
Summary of my perl5 (revision 5 version 32 subversion 0) configuration:

  Platform:
    osname=freebsd
    osvers=12.1-release-p12
    archname=amd64-freebsd-thread-multi
    uname='freebsd 121amd64-quarterly-job-02 12.1-release-p12 freebsd 
12.1-release-p12 amd64 '
    config_args='-Darchlib=/usr/local/lib/perl5/5.32/mach -Dcc=cc 
-Dcf_by=mat -adresse@cachée -Dcf_time=Sat Jun 20 20:39:10 UTC 
2020 -Dinc_version_list=none -Dlibperl=libperl.so.5.32.0 
-Dman1dir=/usr/local/lib/perl5/5.32/perl/man/man1 
-Dman3dir=/usr/local/lib/perl5/5.32/perl/man/man3 -Dprefix=/usr/local 
-Dprivlib=/usr/local/lib/perl5/5.32 -Dscriptdir=/usr/local/bin 
-Dsitearch=/usr/local/lib/perl5/site_perl/mach/5.32 
-Dsitelib=/usr/local/lib/perl5/site_perl 
-Dsiteman1dir=/usr/local/lib/perl5/site_perl/man/man1 
-Dsiteman3dir=/usr/local/lib/perl5/site_perl/man/man3 -Dusenm=n 
-Duseshrplib -sde -Ui_iconv -Ui_malloc -Uinstallusrbinperl 
-Alddlflags=-L/wrkdirs/usr/ports/lang/perl5.32/work/perl-5.32.0 
-L/usr/local/lib/perl5/5.32/mach/CORE -lperl 
-Dshrpldflags=$(LDDLFLAGS:N-L/wrkdirs/usr/ports/lang/perl5.32/work/perl-5.32.0:N-L/usr/local/lib/perl5/5.32/mach/CORE:N-lperl) 
-Wl,-soname,$(LIBPERL:R) -Doptimize=-O2 -pipe -fstack-protector-strong 
-fno-strict-aliasing  -Dusedtrace -Ui_gdbm -Dusemultiplicity=y 
-Duse64bitint -Dusemymalloc=n -Dusethreads=y 
-Accflags=-DUSE_THREAD_SAFE_LOCALE'
    hint=recommended
    useposix=true
    d_sigaction=define
    useithreads=define
    usemultiplicity=define
    use64bitint=define
    use64bitall=define
    uselongdouble=undef
    usemymalloc=n
    default_inc_excludes_dot=define
    bincompat5005=undef
  Compiler:
    cc='cc'
    ccflags ='-DHAS_FPSETMASK -DHAS_FLOATINGPOINT_H 
-DUSE_THREAD_SAFE_LOCALE -fno-strict-aliasing -pipe 
-fstack-protector-strong -I/usr/local/include -D_FORTIFY_SOURCE=2'
    optimize='-O2 -pipe -fstack-protector-strong -fno-strict-aliasing '
    cppflags='-DHAS_FPSETMASK -DHAS_FLOATINGPOINT_H 
-DUSE_THREAD_SAFE_LOCALE -fno-strict-aliasing -pipe 
-fstack-protector-strong -I/usr/local/include'
    ccversion=''
    gccversion='4.2.1 Compatible FreeBSD Clang 8.0.1 
(tags/RELEASE_801/final 366581)'
    gccosandvers=''
    intsize=4
    longsize=8
    ptrsize=8
    doublesize=8
    byteorder=12345678
    doublekind=3
    d_longlong=define
    longlongsize=8
    d_longdbl=define
    longdblsize=16
    longdblkind=3
    ivtype='long'
    ivsize=8
    nvtype='double'
    nvsize=8
    Off_t='off_t'
    lseeksize=8
    alignbytes=8
    prototype=define
  Linker and Libraries:
    ld='cc'
    ldflags ='-pthread -Wl,-E  -fstack-protector-strong -L/usr/local/lib'
    libpth=/usr/lib /usr/local/lib /usr/lib/clang/8.0.1/lib /usr/lib
    libs=-lpthread -lm -lcrypt -lutil
    perllibs=-lpthread -lm -lcrypt -lutil
    libc=
    so=so
    useshrplib=true
    libperl=libperl.so.5.32.0
    gnulibc_version=''
  Dynamic Linking:
    dlsrc=dl_dlopen.xs
    dlext=so
    d_dlsymun=undef
    ccdlflags='  -Wl,-R/usr/local/lib/perl5/5.32/mach/CORE'
    cccdlflags='-DPIC -fPIC'
    lddlflags='-shared  -L/usr/local/lib/perl5/5.32/mach/CORE -lperl 
-L/usr/local/lib -fstack-protector-strong'


Characteristics of this binary (from libperl):
  Compile-time options:
    HAS_TIMES
    MULTIPLICITY
    PERLIO_LAYERS
    PERL_COPY_ON_WRITE
    PERL_DONT_CREATE_GVSV
    PERL_IMPLICIT_CONTEXT
    PERL_MALLOC_WRAP
    PERL_OP_PARENT
    PERL_PRESERVE_IVUV
    USE_64_BIT_ALL
    USE_64_BIT_INT
    USE_ITHREADS
    USE_LARGE_FILES
    USE_LOCALE
    USE_LOCALE_COLLATE
    USE_LOCALE_CTYPE
    USE_LOCALE_NUMERIC
    USE_LOCALE_TIME
    USE_PERLIO
    USE_PERL_ATOF
    USE_REENTRANT_API
    USE_THREAD_SAFE_LOCALE
  Built under freebsd
  @INC:
    /usr/local/lib/perl5/site_perl/mach/5.32
    /usr/local/lib/perl5/site_perl
    /usr/local/lib/perl5/5.32/mach
    /usr/local/lib/perl5/5.32


Cordialement,

--
Eric Mauger | Administrateur système et réseau
IGF UMR5203 | https://www.igf.cnrs.fr