Hello,
I'm running Django+Apache+mod_wsgi:
Apache/2.2.16 (Debian) mod_python/3.3.1 Python/2.6.6 mod_ssl/2.2.16
OpenSSL/0.9.8o mod_wsgi/3.3
Server MPM: Worker
threaded: yes (fixed thread count)
forked: yes (variable process count)
apache conf:
WSGIScriptAlias / /home/ja/apps/django/django-app.wsgi
WSGIProcessGroup app-site-ssl
WSGIDaemonProcess app-site-ssl processes=2 threads=16
maximum-requests=1000 display-name=apache-app-wsgi-ssl
XSendFile on
wsgi sctipt:
import newrelic.agent
newrelic.agent.initialize('/home/ja/apps/newrelic.ini', 'production')
import sys
import os
import os.path
sys.path.append(os.path.dirname(__file__))
os.environ['DJANGO_SETTINGS_MODULE'] = 'app.settings'
from django.core.handlers.wsgi import WSGIHandler
application = WSGIHandler()
application = newrelic.agent.wsgi_application()(application)
Once a day my site stops responding. I restart apache and everything backs
to normal, today the server start respodning after 3 hours without manual
restart.
In apache error logs I'm getting:
[Fri Mar 08 20:07:44 2013] [error] [client ip] Script timed out before
returning headers: django-app.wsgi
[..,] lost of it
[Fri Mar 08 20:50:46 2013] [error] server is within MinSpareThreads of
MaxClients, consider raising the MaxClients setting
[Fri Mar 08 20:56:45 2013] [error] server reached MaxClients setting,
consider raising the MaxClients setting
[Fri Mar 08 22:49:48 2013] [warn] child process 913 still did not exit,
sending a SIGTERM
[...] several lines for different pids
[Fri Mar 08 22:49:49 2013] [error] [client 204.93.223.151] (4)Interrupted
system call: mod_wsgi (pid=14883): Unable to connect to WSGI daemon process
'app-site-ssl' on '/var/run/apache2/wsgi.14347.0.1.sock' after multiple
attempts.
[...]
[Fri Mar 08 22:49:50 2013] [warn] child process 913 still did not exit,
sending a SIGTERM
[...]
[Fri Mar 08 22:49:55 2013] [notice] caught SIGTERM, shutting down
[Fri Mar 08 22:49:59 2013] [error] python_init: Python version mismatch,
expected '2.6.5+', found '2.6.6'.
[Fri Mar 08 22:49:59 2013] [error] python_init: Python executable found
'/usr/bin/python'.
[Fri Mar 08 22:49:59 2013] [error] python_init: Python path being used
'/usr/lib/python2.6/:/usr/lib/python2.6/plat-linux2:/usr/lib/python2.6/lib-tk:/
usr/lib/python2.6/lib-old:/usr/lib/python2.6/lib-dynload'.
[Fri Mar 08 22:49:59 2013] [notice] mod_python: Creating 8 session mutexes
based on 6 max processes and 25 max threads.
[Fri Mar 08 22:49:59 2013] [notice] mod_python: using mutex_directory /tmp
[Fri Mar 08 22:49:59 2013] [notice] Apache/2.2.16 (Debian) mod_python/3.3.1
Python/2.6.6 mod_ssl/2.2.16 OpenSSL/0.9.8o mod_wsgi/3.3 configured -- resuming
normal operations
Service is back again
What can I do?
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