Hi All,
I have been running the apache server to load test a application. The apache 2.2.20 is running on CentOS 5.6 -bash-3.2$ uname -a Linux hdm102 2.6.18-238.19.1.el5.centos.plus #1 SMP Mon Jul 18 10:05:09 EDT 2011 x86_64 x86_64 x86_64 GNU/Linux -bash-3.2$ cat /etc/issue CentOS release 5.6 (Final) Kernel \r on an \m -bash-3.2$ ./httpd -V Server version: Apache/2.2.20 (Unix) Server built: Sep 8 2011 23:41:28 Server's Module Magic Number: 20051115:28 Server loaded: APR 1.4.5, APR-Util 1.3.12 Compiled using: APR 1.4.5, APR-Util 1.3.12 Architecture: 64-bit Server MPM: Worker threaded: yes (fixed thread count) forked: yes (variable process count) Server compiled with.... -D APACHE_MPM_DIR="server/mpm/worker" -D APR_HAS_SENDFILE -D APR_HAS_MMAP -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled) -D APR_USE_SYSVSEM_SERIALIZE -D APR_USE_PTHREAD_SERIALIZE -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT -D APR_HAS_OTHER_CHILD -D AP_HAVE_RELIABLE_PIPED_LOGS -D DYNAMIC_MODULE_LIMIT=128 -D HTTPD_ROOT="/usr/local/apache2" -D SUEXEC_BIN="/usr/local/apache2/bin/suexec" -D DEFAULT_SCOREBOARD="logs/apache_runtime_status" -D DEFAULT_ERRORLOG="logs/error_log" -D AP_TYPES_CONFIG_FILE="conf/mime.types" -D SERVER_CONFIG_FILE="conf/httpd.conf" I have a custom module(mod_XXXX.so) and oracle weblogic apache plugin(mod_wl_22.so) loaded via LoadModule directive into apache. The load that is being tested is 2500 req/second. Under this load apache continues to run for 2-3 days but suddnely stops responding. Has been happening consistently. Once this condition occurs apache stops serving even static pages exa: index.html or does not display server-status(mod_status). And the only way to recover is to restart the server. The errors that I see in the error log are the following ones, which keep showing up frequently of which the first one when the weblogic server refuses connections dues to overload condition. 1. [Tue Sep 20 08:15:11 2011] [error] [client 135.115.142.108] ap_proxy: trying POST /cwmp-allow/cwmpWeb/CPEMgt at backend host '64.186.185.155/7003; got exception 'CONNECTION_REFUSED [os error=0, line 1715 of ../nsapi/URL.cpp]: Error connecting to host 64.186.185.155:7003' 2. [Tue Sep 20 08:15:12 2011] [error] [client 135.115.142.100] (34)Numerical result out of range: mod_XXXX: XXXX_throttle_handler(): failed to release the mutex lock Had a look at the errno of apr and (34)Numerical result out of range doesn't seem to be coming from APR. Has some come across such a issue? Any kind of help/advice will really helpfull.
