PG::TRDeadlockDetected: ERROR: deadlock detected

PG::TRDeadlockDetected: ERROR: deadlock detected

ruby-on-rails ruby postgresql puma idle-processing

postgresql

Puma Cluster configuration on Heroku

ruby-on-rails postgresql heroku unicorn puma

postgresql

ActiveRecord::ConnectionNotEstablished - No connection pool for X

ruby-on-rails postgresql sinatra rails-activerecord puma

postgresql

Rails query execution causes database spikes

ruby-on-rails ruby multithreading postgresql puma

postgresql

(Heroku + Sidekiq) Is my understanding of how Connection Pooling works correct?

ruby-on-rails postgresql heroku sidekiq puma

postgresql

Is it normal for Rails application to keep so many idle Puma and Postgres connections?

ruby-on-rails postgresql puma htop

postgresql

Getting Puma Postgres Server to Work in Development to Cooperate with Heroku, or does going back to Sqlite make sense?

ruby-on-rails postgresql ruby-on-rails-4 heroku puma

postgresql