I have a lot of single dyno free apps on heroku, and they are all reachable
except for 2.

http://simple-captcha-demo.heroku.com/  is a live demo of the different
captcha tools available in Rails.

   1. The app is running, (not getting the generic heroku  'Application
   Error') page, but is failing on db access
   2. tailing the logs shows the error is 'PGError: FATAL:  sorry, too many
   clients already'
   3. I can get into heroku console, but if I try to access the db I also
   get 'PGError: FATAL:  sorry, too many clients already'

I have another app that is a beta site for a client (so its pretty important
that it functions)

   1. I get generic 'Application Error' when hitting home page
   2. heroku logs --tail shows 'heroku[router]: Error H10 (App crashed) ->
   GET <my_website.com>/ dyno=none queue=0 wait=0ms service=0ms bytes=0
   3. attempting to increase the number of dynos did not help
   4. I can't get in to the console, I get the error

     Your application is too busy to open a console session.
     Console sessions require an open dyno to use for execution.

I'm not freaking out about this, and I haven't opened a ticket. I'm not
paying for this dyno yet, so I don't expect too much, and I realize the
Heroku team has been working like crazy to resolve this. (last year at
RailsConf they had a big outage, and had to explain it there at the
conference, and I bet its going to be a big topic this year as well.
Hopefully they'll be in a good position to give some pointers on how we
could architect our apps to be ready for this)

I just wanted to report that almost all of my free dynos are working, which
is great, and I'm sure these last 2 will come back soon.

As a side note, I learned that you can configure new relic to ping your app
at a specified interval, and notify you if the app is not up. Thanks New
Relic! (wish I would have had this installed 2 days ago!)

-John McCaffrey

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