thin stop times out and fails
Reported by maiken | May 17th, 2009 @ 11:19 AM | in Waiting for EM
Repro:
- Install ruby 1.9.1p129 (2009-05-12 revision 23412) and thin 1.2.1 on Ubuntu 8.04 LTS
- Write a hello-world rackup file and save as hello_world.ru
app = proc do |env|
[
200,
{
'Content-Type' => 'text/html',
'Content-Length' => '2'
},
['hi']
]
end
run app
- Start a cluster of thin processes: "thin start -s 3 -R hello_world.ru"
- Now try to stop them: "thin stop -s 3"
Results:
Stopping server on 0.0.0.0:3000 ...
Sending QUIT signal to process 31975 ...
Timeout!
Stopping server on 0.0.0.0:3001 ...
Sending QUIT signal to process 31988 ...
Timeout!
Stopping server on 0.0.0.0:3002 ...
Sending QUIT signal to process 32001 ...
Timeout!
thin processes are still running.
the thin processes aren't responsive to a regular "kill ",
either.
However, if I load from their respective ports, they process the
quit request and exit. That is, if, while "thin stop" is trying to
stop the port-3000 daemon, I do an HTTP load against port 3000, the
process will exit. Without the load, the process will run
forever.
Expect: thin processes are responsive to quit requests.
If you have difficulty reproducing the issue let me know how to take additional traces.
Comments and changes to this ticket
-
macournoyer May 18th, 2009 @ 09:06 AM
- State changed from “new” to “open”
It do look like an old eventmachine issue, can you try updating to latest version of EM?
-
macournoyer May 21st, 2009 @ 02:13 PM
- Milestone changed from “Future” to “Waiting for EM”
There was a similar issue in previous version but under 1.8 iirc. If it works w/out epoll it probably is an EventMachine issue. You should ask eventmachine ppl about it:
http://groups.google.com/group/eventmachine/topics
or #eventmachine on freenode -
macournoyer May 29th, 2009 @ 04:44 PM
oh yes, Thin uses eventmachine exclusively, unless you explicitly specify a backend using the --backend option.
-
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macournoyer