I'm experiencing a strange one. I can't figure this out and I'm
hoping someone has either seen it or can tell me how to further debug
this problem.
I have my tg1 app configured like so:
WSGIDaemonProcess beaker user=apache group=apache display-name=beaker
maximum-requests=200 shutdown-timeout=15 threads=1 processes=7
WSGISocketPrefix run/wsgi
# I've tried with the following on or off and it doesn't matter
#WSGIRestrictStdout On
#WSGIRestrictSignal Off
WSGIPythonOptimize 2
WSGIPassAuthorization On
WSGIScriptAlias / /usr/share/bkr/beaker-server.wsgi
<Directory /usr/share/bkr>
WSGIApplicationGroup beaker
WSGIProcessGroup beaker
Order deny,allow
Allow from all
</Directory>
System environment:
[r...@beaker-stage ~]# rpm -q httpd
httpd-2.2.3-43.el5
[r...@beaker-stage ~]# rpm -q mod_wsgi
mod_wsgi-3.2-1.el5
[r...@beaker-stage ~]# more /etc/redhat-release
Red Hat Enterprise Linux Server release 5.5 (Tikanga)
[r...@beaker-stage ~]# uname -m
x86_64
Everything works as expected for a while. but under heady load I
start to lose beaker processes. Eventually there will be none left.
Of course then I start getting 500 ISE's in apache log, but only after
long timeouts.
I was able to run with LogLevel Info and have the following:
[Sat Jun 12 08:06:56 2010] [info] mod_wsgi (pid=12312): Maximum
requests reached 'beaker'.
[Sat Jun 12 08:06:56 2010] [info] mod_wsgi (pid=12312): Shutdown
requested 'beaker'.
[Sat Jun 12 08:06:56 2010] [info] mod_wsgi (pid=12312): Stopping
process 'beaker'.
[Sat Jun 12 08:06:56 2010] [info] mod_wsgi (pid=12312): Destroying
interpreters.
[Sat Jun 12 08:06:56 2010] [info] mod_wsgi (pid=12312): Destroy
interpreter 'beaker'.
[Sat Jun 12 08:07:00 2010] [info] mod_wsgi (pid=12312): Cleanup
interpreter ''.
[Sat Jun 12 08:07:00 2010] [info] mod_wsgi (pid=12312): Terminating
Python.
[Sat Jun 12 08:07:00 2010] [info] mod_wsgi (pid=12312): Python has
shutdown.
[Sat Jun 12 08:07:00 2010] [info] mod_wsgi (pid=12312): Process
'beaker' has died, restarting.
[Sat Jun 12 08:07:00 2010] [info] mod_wsgi (pid=12363): Starting
process 'beaker' with uid=48, gid=48
and threads=1.
[Sat Jun 12 08:07:00 2010] [info] mod_wsgi (pid=12363): Initializing
Python.
[Sat Jun 12 08:07:00 2010] [info] mod_wsgi (pid=12363): Attach
interpreter ''.
[Sat Jun 12 08:07:00 2010] [info] mod_wsgi (pid=12363): Create
interpreter 'beaker'.
[Sat Jun 12 08:07:00 2010] [warn] mod_wsgi (pid=12363): Callback
registration for signal 15 ignored.
[Sat Jun 12 08:07:00 2010] [warn] File "/usr/share/bkr/beaker-
server.wsgi", line 10, in ?
[Sat Jun 12 08:07:00 2010] [warn] import cherrypy
[Sat Jun 12 08:07:00 2010] [warn] File "/usr/lib/python2.4/site-
packages/cherrypy/__init__.py", line
20, in ?
[Sat Jun 12 08:07:00 2010] [warn] import _cpserver
[Sat Jun 12 08:07:00 2010] [warn] File "/usr/lib/python2.4/site-
packages/cherrypy/_cpserver.py", lin
e 10, in ?
[Sat Jun 12 08:07:00 2010] [warn] from cherrypy._cpengine import
Engine, STOPPED, STARTING, STARTE
D
[Sat Jun 12 08:07:00 2010] [warn] File "/usr/lib/python2.4/site-
packages/cherrypy/_cpengine.py", lin
e 25, in ?
[Sat Jun 12 08:07:00 2010] [warn] signal.signal(signal.SIGTERM,
SIGTERM)
The traceback is normal I suspect because this time I was running with
the recommended settings to disable callbacks in cherypy.
Here is the log when it stops spawning new processes..
[Sat Jun 12 08:07:03 2010] [info] mod_wsgi (pid=12363): Maximum
requests reached 'beaker'.
[Sat Jun 12 08:07:03 2010] [info] mod_wsgi (pid=12363): Shutdown
requested 'beaker'.
[Sat Jun 12 08:07:03 2010] [info] mod_wsgi (pid=12363): Stopping
process 'beaker'.
[Sat Jun 12 08:07:03 2010] [info] mod_wsgi (pid=12363): Destroying
interpreters.
[Sat Jun 12 08:07:03 2010] [info] mod_wsgi (pid=12363): Destroy
interpreter 'beaker'.
[Sat Jun 12 08:07:07 2010] [info] mod_wsgi (pid=12363): Cleanup
interpreter ''.
[Sat Jun 12 08:07:07 2010] [info] mod_wsgi (pid=12363): Terminating
Python.
[Sat Jun 12 08:07:07 2010] [info] mod_wsgi (pid=12363): Python has
shutdown.
[Sat Jun 12 08:12:04 2010] [info] mod_wsgi (pid=8920): Destroying
interpreters.
[Sat Jun 12 08:12:04 2010] [info] mod_wsgi (pid=8920): Cleanup
interpreter ''.
[Sat Jun 12 08:12:04 2010] [info] mod_wsgi (pid=8920): Terminating
Python.
[Sat Jun 12 08:12:04 2010] [info] mod_wsgi (pid=8920): Python has
shutdown.
[Sat Jun 12 08:12:05 2010] [info] mod_wsgi (pid=14184): Initializing
Python.
[Sat Jun 12 08:12:05 2010] [info] mod_wsgi (pid=14184): Attach
interpreter ''.
[Sat Jun 12 08:12:08 2010] [info] mod_wsgi (pid=14203): Initializing
Python.
[Sat Jun 12 08:12:08 2010] [info] mod_wsgi (pid=14203): Attach
interpreter ''.
[Sat Jun 12 08:50:26 2010] [error] [client 10.16.65.167] File does not
exist: /var/www/beaker/harness/
noarch
[Sat Jun 12 08:50:27 2010] [info] mod_wsgi (pid=27862): Initializing
Python.
[Sat Jun 12 08:50:27 2010] [info] mod_wsgi (pid=27862): Attach
interpreter ''.
[Sat Jun 12 09:50:28 2010] [error] [client 10.16.65.167] File does not
exist: /var/www/beaker/harness/
noarch
[Sat Jun 12 10:50:31 2010] [info] mod_wsgi (pid=5849): Initializing
Python.
[Sat Jun 12 10:50:31 2010] [info] mod_wsgi (pid=5849): Attach
interpreter ''.
[Sat Jun 12 10:50:32 2010] [info] mod_wsgi (pid=5855): Initializing
Python.
[Sat Jun 12 10:50:32 2010] [info] mod_wsgi (pid=5855): Attach
interpreter ''.
[Sat Jun 12 10:50:32 2010] [info] mod_wsgi (pid=5856): Initializing
Python.
[Sat Jun 12 10:50:32 2010] [info] mod_wsgi (pid=5856): Attach
interpreter ''.
[Sat Jun 12 11:12:36 2010] [info] mod_wsgi (pid=13739): Initializing
Python.
[Sat Jun 12 11:12:36 2010] [info] mod_wsgi (pid=13739): Attach
interpreter ''.
[Sat Jun 12 11:24:37 2010] [info] mod_wsgi (pid=18019): Initializing
Python.
[Sat Jun 12 11:24:37 2010] [info] mod_wsgi (pid=18019): Attach
interpreter ''.
[Sat Jun 12 11:24:38 2010] [info] mod_wsgi (pid=18026): Initializing
Python.
[Sat Jun 12 11:24:38 2010] [info] mod_wsgi (pid=18026): Attach
interpreter ''.
[Sat Jun 12 11:24:38 2010] [info] mod_wsgi (pid=18027): Initializing
Python.
[Sat Jun 12 11:24:38 2010] [info] mod_wsgi (pid=18027): Attach
interpreter ''.
[Sat Jun 12 11:36:38 2010] [info] mod_wsgi (pid=22305): Initializing
Python.
[Sat Jun 12 11:36:38 2010] [info] mod_wsgi (pid=22305): Attach
interpreter ''.
[Sat Jun 12 11:48:39 2010] [info] mod_wsgi (pid=26588): Initializing
Python.
[Sat Jun 12 11:48:39 2010] [info] mod_wsgi (pid=26588): Attach
interpreter ''.
[Sat Jun 12 11:48:40 2010] [info] mod_wsgi (pid=26595): Initializing
Python.
[Sat Jun 12 11:48:40 2010] [info] mod_wsgi (pid=26596): Initializing
Python.
[Sat Jun 12 11:48:40 2010] [info] mod_wsgi (pid=26596): Attach
interpreter ''.
[Sat Jun 12 11:48:40 2010] [info] mod_wsgi (pid=26595): Attach
interpreter ''.
etc...
Any ideas? No OomKills or any segfaults at the time of these
problems.
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