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From Ole Tange <ta...@tange.dk>
Subject Re: general/3312: Children die. Parent stops serving requests
Date Fri, 30 Oct 1998 13:50:02 GMT
The following reply was made to PR general/3312; it has been noted by GNATS.

From: Ole Tange <tange@tange.dk>
To: sigma@pair.com, uggowitzers@who.ch
Cc: apbugs@apache.org
Subject: Re: general/3312: Children die. Parent stops serving requests
Date: Fri, 30 Oct 1998 14:43:24 +0100 (CET)

 I have searched the bugs.apache.org and found that you look as if you have
 exactly the same problem as me.
 
 As I see the problem:
 
 The parent thinks it has a lot of children that are terrible slow at
 processing requests (SS is rather high if you look at 'apachectl status').
 So it spawns new children until it reaches the MaxClient-limit
 
 But what (I think) really happens is that the children die without
 notifying the parent.
 
 
 If we join forces maybe we can find what is common for our systems.
 
 My system is a (heavily upgraded) RedHat Linux 5.0 i386. 'rpm -qa' is
 included below.
 
 If you are a wizard in understanding strace I have made a strace of my
 apache: http://ole.tange.dk/children-dies.tgz
 
 
 /Ole
 --
 Linux - From the people who gave you the Internet
 www.sslug.dk                        www.linux.org
 
 # rpm -qa
 
 setup-1.9-2
 filesystem-1.3.1-2
 basesystem-4.9-1
 anonftp-2.4-1
 ldconfig-1.9.5-2
 termcap-9.12.6-7
 libtermcap-2.0.8-6
 glibc-profile-2.0.7-13
 grep-2.1-1
 fileutils-3.16-6
 bash-1.14.7-6
 slang-0.99.38-2
 newt-0.21-1
 chkconfig-0.9-2
 quota-1.55-7
 ash-0.2-10
 at-3.1.7-2
 zlib-1.0.4-2
 ncurses-1.9.9e-6
 info-3.9-7
 autoconf-2.12-3
 automake-1.2-3
 bc-1.04-2
 bdflush-1.5-7
 bin86-0.4-3
 bind-utils-4.9.6-6
 binutils-2.8.1.0.1-1
 bison-1.25-3
 bootpc-061-4
 byacc-1.9-6
 cabaret-0.5-1
 cdecl-2.5-5
 cmu-snmp-3.4-3
 cmu-snmp-devel-3.4-3
 cmu-snmp-utils-3.4-3
 control-panel-3.5-1
 cpio-2.4.2-6
 cproto-4.4-5
 cracklib-dicts-2.5-4
 crontabs-1.6-1
 ctags-1.6-2
 cvs-1.9-4
 shadow-utils-970616-9
 dev-2.5.4-1
 dhcpcd-0.65-1
 diffutils-2.7-8
 dip-3.3.7o-10
 procinfo-0.11-1
 e2fsprogs-1.10-4
 ed-0.2-7
 elm-2.4.25-10
 etcskel-1.3-4
 mrtg-2.5.2-1
 expect-5.24-12
 faces-devel-1.6.1-8
 fetchmail-4.3.2-1
 file-3.22-6
 findutils-4.1-20
 finger-0.10-2
 flex-2.5.4a-2
 fstool-2.6-4
 ftp-0.10-1
 fwhois-1.00-7
 gawk-3.0.2-2
 defrag-0.73-4
 gcc-c++-2.7.2.3-8
 gdb-4.16-9
 gdbm-1.7.3-14
 gdbm-devel-1.7.3-14
 gettext-0.10-4
 getty_ps-2.0.7j-2
 gcc-2.7.2.3-11
 ipfwadm-2.3.0-6
 git-4.3.16-5
 ElectricFence-2.0.5-7
 glint-2.4-2
 gpm-1.12-4
 gpm-devel-1.12-4
 groff-1.11a-3
 gtk-0.99.970925-2
 gzip-1.2.4-9
 hdparm-3.1-5
 helptool-2.4-3
 ical-2.2-3
 indexhtml-5.0-1
 initscripts-3.25-1
 isapnptools-1.11-4
 ispell-3.1.20-5
 kbd-0.94-5
 kbdconfig-1.5-1
 kernel-2.0.32-2
 kernel-headers-2.0.32-2
 kernel-modules-2.0.32-2
 kernel-source-2.0.32-2
 kernelcfg-0.4-7
 ld.so-1.9.5-5
 less-321-4
 lha-1.00-6
 libc-5.3.12-24
 libg++-2.7.2.8-6
 libg++-devel-2.7.2.8-6
 libgr-2.0.13-4
 libgr-devel-2.0.13-4
 libjpeg-6a-1
 libjpeg-devel-6a-1
 libpng-0.96-1
 libpng-devel-0.96-1
 libtermcap-devel-2.0.8-6
 libtiff-3.4-1
 libtiff-devel-3.4-1
 lilo-0.20-1
 logrotate-2.5-2
 losetup-2.7f-1
 lpr-0.21-2
 lrzsz-0.12.14-3
 lynx-2.7.1-1
 m4-1.4-8
 mailcap-1.0-6
 mailx-5.5.kw-8
 make-3.76.1-2
 MAKEDEV-2.3.1-1
 man-1.4j-3
 man-pages-1.17-1
 mc-4.1.8-2
 metamail-2.7-10
 mh-6.8.4-4
 mingetty-0.9.4-5
 minicom-1.75-5
 mkdosfs-ygg-0.3b-5
 mkinitrd-1.8-1
 mktemp-1.4-2
 modemtool-1.21-1
 modutils-2.1.55-4
 mount-2.7f-1
 mouseconfig-2.21-1
 mpage-2.4-3
 mt-st-0.4-4
 mtools-3.6-4
 mutt-0.85e-1
 ncftp-2.4.2-3
 ncompress-4.2.4-9
 ncurses-devel-1.9.9e-6
 net-tools-1.33-4
 netcfg-2.19-3
 netkit-base-0.10-5
 newt-devel-0.21-1
 ntalk-0.10-1
 pam-0.59-5
 sed-2.05-9
 pamconfig-0.51-4
 passwd-0.50-10
 analog-form-3.0-1
 pcmcia-cs-2.9.12-2
 xv-3.10a-9
 pine-3.96-3
 pmake-1.0-7
 portmap-4.0-7
 ppp-2.2.0f-5
 GD.pm-1.14-1
 procmail-3.10-11
 procps-1.2.4-1
 psmisc-16-1
 pwdb-0.54-6
 python-1.4-9
 pythonlib-1.22-1
 glimpse-4.1-1
 rcs-5.7-6
 rdate-0.960923-3
 rdist-1.0-7
 readline-2.1-5
 readline-devel-2.1-5
 redhat-release-5.0-1
 rhs-hwdiag-0.20-1
 ssh-clients-1.2.26-1i
 rootfiles-1.5-3
 routed-0.10-3
 screen-3.7.4-1
 rsh-0.10-2
 rusers-0.10-2
 rwho-0.10-4
 pidentd-2.7-1
 setconsole-1.0-3
 setserial-2.12-3
 setuptool-1.0-1
 sh-utils-1.16-8
 sharutils-4.2-8
 slang-devel-0.99.38-2
 slrn-0.9.4.3-2
 stat-1.5-6
 statserial-1.1-9
 strace-3.1-3
 svgalib-1.2.11-3
 svgalib-devel-1.2.11-3
 sysklogd-1.3-19
 SysVinit-2.71-3
 tar-1.12-1
 tcl-8.0-12
 tclx-8.0.0.0-12
 tcp_wrappers-7.6-1
 tcsh-6.07-1
 telnet-0.10-2
 tetex-xdvi-0.4pl8-9
 pgp-2.6.3bi-1
 textutils-1.22-4
 tftp-0.10-2
 time-1.7-4
 timeconfig-2.1-3
 timed-0.10-2
 timetool-2.3-5
 tin-1.22-8
 tk-8.0-12
 tkinter-1.4-9
 tksysv-1.0-1
 tmpwatch-1.4-1
 traceroute-1.4a5-4
 trn-3.6-10
 unarj-2.41a-5
 unzip-5.31-1
 usercfg-3.5-6
 usernet-1.0.5-1
 util-linux-2.7-11
 uucp-1.06.1-14
 vim-4.6-4
 vixie-cron-3.0.1-19
 which-1.0-7
 words-2-6
 wu-ftpd-2.4.2b15-5
 mtr-0.19-1
 XFree86-3.3.1-14
 XFree86-libs-3.3.1-14
 xinitrc-1.3-5
 zip-2.1-2
 zlib-devel-1.0.4-2
 zsh-3.0.5-1
 emacs-20.2-4
 emacs-nox-20.2-4
 ssh-server-1.2.26-1i
 glibc-debug-2.0.7-13
 perl-5.004-2
 patch-2.5-2
 bind-4.9.6-7
 ssh-extras-1.2.26-1i
 qmail-imap-4.1.final-1
 xntp3-5.91_export-1
 tcpdump-3.4a5-1
 howto-5.0-5
 ssleay-0.8.1-4
 SSLeay-0.8.1-1
 ezmlm-idx-0.53.30-1
 lsof-4.26-1
 strobe-1.04-2
 psacct-6.3-2
 rhupgrade-2.0-3
 ewhost-971007-1
 ewping-971007-1
 ewtraceroute-971007-1
 ewvrfy-971007-1
 ImageMagick-3.9.1-1
 libnet-1.0502-4
 freshrpms-0.7.1-1
 bzip2-0.1pl2-2
 ghostscript-3.33-6
 glibc-devel-2.0.7-13
 ghostscript-fonts-4.0-4
 rpm-2.5-2
 wwwcount-2.4-1
 uudeview-0.5.13-2
 analog-3.0-1
 wget-1.5.2-1
 ssh-1.2.26-1i
 qmail-1.03-7
 glibc-2.0.7-13
 apache-1.3.3-1
 
 
 

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