hi list,
i'm seeing very slow load times (30 seconds and worse) using trac 0.11
and mod_wsgi on fedora 11 (apache 2.2.11, python 2.6). i have multiple
trac instances served from a single wsgi script. if i start httpd and
access the trac parent directory (a simple listing of all the
instances), it takes two or three seconds two load the first time, and
then about one on subsequent requests. if i visit several days later,
load time slows dramatically.
when i run service httpd stop, i see that apache is sending SIGKILL to
some of it's child processes. this does not always happen; it appears
to take some amount of traffic before the children get stuck. i cannot
simply reproduce this by restarting httpd and running 100 web requests
with wget.
below are the relevant apache config (left out a bunch of location
matches for permissions) and the wsgi script.
does anyone have suggestions as to what might be going wrong here?
thanks,
george
***
# apache conf #
WSGIScriptAlias /trac /groundup/trac/wsgi/trac.wsgi
<Directory /somedir/trac/wsgi>
SSLOptions +StrictRequire
SSLRequireSSL
SetEnv HTTPS 1
Options Indexes FollowSymLinks
Order deny,allow
Allow from all
# force trac to run within the main python interpreter only -
necessary for svn #
WSGIApplicationGroup %{GLOBAL}
</Directory>
***
#!/usr/bin/python
# wsgi script #
import sys
import os
import atexit
sys.stdout = sys.stderr
def cleanup():
print >> sys.stderr, 'trac.wsgi cleanup'
atexit.register(cleanup)
os.environ['TRAC_ENV_PARENT_DIR'] = '/groundup/trac/projects'
os.environ['PYTHON_EGG_CACHE'] = '/groundup/trac/eggs'
import trac.web.main
application = trac.web.main.dispatch_request
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