Ruby on Rails 7.1.3.4 Class ActiveRecord::ConnectionAdapters::ConnectionPool < Object activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb activerecord/lib/active_record/connection_adapters/abstract/connection_pool/queue.rb activerecord/lib/active_record/connection_adapters/abstract/connection_pool/reaper.rb Active Record Connection Pool Connection pool base class for man