Sidekiq - could not obtain a database connection within 5.000 seconds
问题 I get the following warning with Rails 4 and Sidekiq on os x on development 10:13:39 worker.1 | 2014-09-22T07:13:39.857Z 86981 TID-oug0oog10 WARN: could not obtain a database connection within 5.000 seconds (waited 5.002 seconds) 10:13:39 worker.1 | 2014-09-22T07:13:39.857Z 86981 TID-oug0oog10 WARN: /Users/me/.rvm/gems/ruby-2.1.3/gems/activerecord-4.1.6/lib/active_record/connection_adapters/abstract/connection_pool.rb:190:in `block in wait_poll' I read other answers that say to reduce the