Re: PHP 4.0 Bug #8446: PHP/apache process is in infinite loop or appears to suck CPU

From: Date: Thu, 28 Dec 2000 01:37:59 +0000
Subject: Re: PHP 4.0 Bug #8446: PHP/apache process is in infinite loop or appears to suck CPU
References: 1  Groups: php.dev 
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We cannot possibly track this down for you based on this. You will need to attach gdb to one of these looped processes and see where it is looping. -Rasmus On 28 Dec 2000 michael@audiogalaxy.com wrote: > From: michael@audiogalaxy.com > Operating system: RH 7.0 and RH 6.2 Any kernel 2.2.x > PHP version: 4.0.4 > PHP Bug Type: *General Issues > Bug description: PHP/apache process is in infinite loop or appears to suck CPU > > Below is a report from top for a SMP machine. This happens to all of our webservers every day > or so a few machine have one two httpd processes eating CPU. This same problem also happens on the > last two or more previous versions of php. > > A simple kill -9 pid removes it w/o killing the whole webserver. Below are the apache and > httpd configuration lines: > > ./configure --with-mysql --enable-track-vars --with-zlib --with-apache=$apachedir > --with-gd=$gddir --with-jpeg-dir=$gddir --with-config-file-path=/common/globalconfig/php > --enable-memory-limit > > ./configure --with-layout=production --activate-module=src/modules/php4/libphp4.a > > An interesting aspect that is amount of memory each processing using 100% CPU is around 50megs. > We have the memory limit set in php as 30M. > > 1 processes: 85 sleeping, 6 running, 0 zombie, 0 stopped > CPU0 states: 70.0% user, 4.0% system, 0.0% nice, 25.0% idle > CPU1 states: 53.0% user, 4.0% system, 0.0% nice, 41.0% idle > Mem: 1036464K av, 1006188K used, 30276K free, 149244K shrd, 32068K buff > Swap: 136512K av, 1124K used, 135388K free 677272K cached > > PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND > 7763 nobody 9 0 53808 52M 2172 R 99.9 5.1 1527m httpd > 6825 nobody 0 0 4320 4320 2272 S 9.2 0.4 0:00 httpd > 6779 nobody 0 0 4912 4912 2276 S 6.4 0.4 0:00 httpd > 6830 root 4 0 1036 1036 812 R 6.4 0.0 0:00 top > > > Thanks for your help - this has been a real nagging problem for us that we keep thinking is > resolved in the next version. > > > -- > Edit Bug report at: http://bugs.php.net/?id=8446&edit=1 > > > > -- > PHP Development Mailing List <http://www.php.net/> > To unsubscribe, e-mail: php-dev-unsubscribe@lists.php.net > For additional commands, e-mail: php-dev-help@lists.php.net > To contact the list administrators, e-mail: php-list-admin@lists.php.net >

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