[Mongrel] mongrel stops responding after period of no use

Charles Brian Quinn me at seebq.com
Thu Aug 10 08:14:06 EDT 2006


Do you have any special log rotation on apache that occurs nightly?

p.s. upgrade rails to 1.1.5

On 8/10/06, Jason A. Hoffman <jason at joyent.com> wrote:
> What's the database backend?
>
> Regards, J
>
> On Aug 10, 2006, at 4:17 AM, Chris Hall wrote:
>
> > I just moved from apache2/fcgi to apache2.2/mongrel and everything
> > seems to work great except for 2 issues, one being major and one
> > minor.
> >
> > the major issue i am experiencing is that after a period of time where
> > my rails apps are not used, typically overnight, the mongrel processes
> > become unresponsive.  I currently have 3 apps running behind an
> > apache2.2 proxy.  every morning when i come in to work, all 3 apps no
> > longer respond, either via apache or even if i try to connect directly
> > to the port the app is running on.
> >
> > i start each mongrel instance as:
> >
> > cd <path to app>
> > mongrel_rails start -e production -p <port> -d
> >
> > i see nothing in any of the log files to indicate a problem other than
> > this is the apache error log i have setup for each app:
> >
> > [Mon Aug 07 06:29:42 2006] [error] [client xx.xx.xx.xx] proxy: error
> > reading status line from remote server localhost
> > [Mon Aug 07 06:29:42 2006] [error] [client xx.xx.xx.xx] proxy: Error
> > reading from remote server returned by /
> > [Mon Aug 07 06:29:42 2006] [error] (111)Connection refused: proxy:
> > HTTP: attempt to connect to [::1]:3010 (localhost) failed
> > [Mon Aug 07 06:29:42 2006] [error] ap_proxy_connect_backend disabling
> > worker for (localhost)
> > [Mon Aug 07 06:29:42 2006] [error] proxy: HTTP: disabled connection
> > for (localhost)
> > [Mon Aug 07 06:29:42 2006] [error] proxy: HTTP: disabled connection
> > for (localhost)
> >
> > each app is setup in it's own virtual host directive with:
> >
> > ProxyRequests Off
> > ProxyPass / http://localhost:<port>/
> > ProxyPassReverse / http://localhost:<port>/
> > ProxyPreserveHost On
> > RewriteEngine On
> > RewriteRule "^(images|stylesheets|javascripts)/?(.*)" "$0" [L]
> >
> > with <port> being the port specific the app.
> >
> > i wind up having to kill each process and restarting, then restart
> > apache.
> >
> > also, the minor issue, is that when i start mongrel_rails with a
> > configuration file, the pid file never gets created, yet the log file
> > does, and they are set to the default location, log/mongrel.log and
> > log/mongrel.pid
> >
> > in this case it's only a minor inconvenience, because i can just run:
> >
> > ps -C mongrel_rails -o pid= |xargs kill -9
> >
> > to kill the processes so i can restart.  i have since switched to
> > starting mongrel from the command line as the pid file will get
> > created when used this way.
> >
> > installed gems:
> >
> >
> > actionmailer (1.2.3, 1.2.2, 1.1.5)
> >     Service layer for easy email delivery and testing.
> >
> > actionpack (1.12.3, 1.12.2, 1.11.2)
> >     Web-flow and rendering framework putting the VC in MVC.
> >
> > actionwebservice (1.1.4, 1.1.3, 1.0.0)
> >     Web service support for Action Pack.
> >
> > activerecord (1.14.3, 1.13.2)
> >     Implements the ActiveRecord pattern for ORM.
> >
> > activesupport (1.3.1, 1.2.5)
> >     Support and utility classes used by the Rails framework.
> >
> > cmdparse (2.0.0)
> >     Advanced command line parser supporting commands
> >
> > daemons (0.4.4)
> >     A toolkit to create and control daemons in different ways
> >
> > gem_plugin (0.2.1)
> >     A plugin system based only on rubygems that uses dependencies only
> >
> > login_generator (1.1.0)
> >     [Rails] Login generator.
> >
> > mongrel (0.3.13.3)
> >     A small fast HTTP library and server that runs Rails, Camping, and
> >     Nitro apps.
> >
> > rails (1.1.4, 1.1.3, 1.0.0)
> >     Web-application framework with template engine, control-flow
> > layer,
> >     and ORM.
> >
> > rake (0.7.1, 0.7.0)
> >     Ruby based make-like utility.
> >
> > sources (0.0.1)
> >     This package provides download sources for remote gem installation
> >
> >
> > any help would be greatly appreciated.
> >
> > Chris
> > _______________________________________________
> > Mongrel-users mailing list
> > Mongrel-users at rubyforge.org
> > http://rubyforge.org/mailman/listinfo/mongrel-users
>
> _______________________________________________
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> http://rubyforge.org/mailman/listinfo/mongrel-users
>


-- 
Charles Brian Quinn
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