use the mongrel_cluster --clean option
On 6/5/08, Gunnar Wolf <[EMAIL PROTECTED]> wrote: > > Hi, > > I have an application which is dying horrible deaths > (i.e. segmentation faults) in mid-flight, in production... And of > course, I should fix it. But while I find and fix the bugs, I found > something I think should be different - I can work on submitting a > patch, as it is quite simple, but I might be losing something on my > rationale. > > When Mongrel segfaults, it does not -obviously- get to clean up after > itself, so it does not remove the PID files. As an example: > > $ sudo /etc/init.d/mongrel-cluster start > Starting mongrel-cluster: Starting all mongrel_clusters... > mongrel-cluster. > $ sudo cat tmp/pids/mongrel.8203.pid | xargs kill -9 > $ sudo /etc/init.d/mongrel-cluster status > (...) > found pid_file: tmp/pids/mongrel.8203.pid > missing mongrel_rails: port 8203 > (...) > $ sudo /etc/init.d/mongrel-cluster restart > Restarting mongrel-cluster: Restarting all mongrel_clusters... > ** !!! PID file tmp/pids/mongrel.8203.pid already exists. Mongrel could be > running already. Check your log/mongrel.8203.log for errors. > ** !!! Exiting with error. You must stop mongrel and clear the .pid before > I'll attempt a start. > mongrel-cluster. > > So, what's the solution? I must manually do: > > $ sudo rm tmp/pids/mongrel.8203.pid > $ sudo /etc/init.d/mongrel-cluster restart > > And now it works. > > What should happen? Well, 'status' already found that there is a stale > PID. Of course, the 'status' action means exactly that: Get the > status, do nothing else. But the 'stop' action should clean the PIDs > if they do no longer exist, and the 'start' action should check > whether the process with that PID is alive, and ignore it if it's > not. At least, this behaviour should be specifiable via the > configuration file. > > What do you think? > > > -- > Gunnar Wolf - [EMAIL PROTECTED] - (+52-55)5623-0154 / 1451-2244 > PGP key 1024D/8BB527AF 2001-10-23 > Fingerprint: 0C79 D2D1 2C4E 9CE4 5973 F800 D80E F35A 8BB5 27AF > _______________________________________________ > Mongrel-users mailing list > Mongrel-users@rubyforge.org > http://rubyforge.org/mailman/listinfo/mongrel-users >
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