Use Sidekiq for background processing.

Author: tgxworld

Gemfile

@@ -11,13 +11,13 @@ gem 'sass-rails', '~> 5.0.1'
 gem 'uglifier', '>= 1.3.0'
 gem 'jquery-rails'
 gem 'net-ssh', '~> 2.9.1'
-gem 'delayed_job_active_record', '~> 4.0.3'
 gem 'platform-api', '~> 0.2.0'
 gem 'haml', '~> 4.0.5'
 gem 'bootstrap-sass', '~> 3.3.3'
 gem 'pygments.rb', '~> 0.6.0'
 gem 'redis', '~> 3.2.1'
 gem 'redis-rails', '~> 4.0.0'
+gem 'sidekiq', '~> 3.3.3'
 
 group :development do
   gem 'spring'

Gemfile.lock

@@ -67,19 +67,17 @@ GEM
     capybara-webkit (1.3.1)
       capybara (>= 2.0.2, < 2.5.0)
       json
+    celluloid (0.16.0)
+      timers (~> 4.0.0)
     childprocess (0.5.5)
       ffi (~> 1.0, >= 1.0.11)
     coderay (1.1.0)
     columnize (0.8.9)
+    connection_pool (2.1.3)
     crack (0.4.2)
       safe_yaml (~> 1.0.0)
     debug_inspector (0.0.2)
     debugger-linecache (1.2.0)
-    delayed_job (4.0.6)
-      activesupport (>= 3.0, < 5.0)
-    delayed_job_active_record (4.0.3)
-      activerecord (>= 3.0, < 5.0)
-      delayed_job (>= 3.0, < 4.1)
     erubis (2.7.0)
     excon (0.41.0)
     execjs (2.2.2)
@@ -95,6 +93,7 @@ GEM
       multi_json (>= 1.9.2)
       netrc
     hike (1.2.3)
+    hitimes (1.2.2)
     i18n (0.7.0)
     jquery-rails (4.0.0)
       rails-dom-testing (~> 1.0)
@@ -174,6 +173,8 @@ GEM
     redis-activesupport (4.0.0)
       activesupport (~> 4)
       redis-store (~> 1.1.0)
+    redis-namespace (1.5.1)
+      redis (~> 3.0, >= 3.0.4)
     redis-rack (1.5.0)
       rack (~> 1.5)
       redis-store (~> 1.1.0)
@@ -199,6 +200,12 @@ GEM
       multi_json (~> 1.0)
       rubyzip (~> 1.0)
       websocket (~> 1.0)
+    sidekiq (3.3.3)
+      celluloid (>= 0.16.0)
+      connection_pool (>= 2.1.1)
+      json
+      redis (>= 3.0.6)
+      redis-namespace (>= 1.3.1)
     slop (3.6.0)
     spring (1.1.3)
     sprockets (2.12.3)
@@ -213,6 +220,8 @@ GEM
     thor (0.19.1)
     thread_safe (0.3.4)
     tilt (1.4.1)
+    timers (4.0.1)
+      hitimes
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
     uglifier (2.5.3)
@@ -239,7 +248,6 @@ DEPENDENCIES
   byebug
   capybara (~> 2.4.4)
   capybara-webkit (~> 1.3.1)
-  delayed_job_active_record (~> 4.0.3)
   haml (~> 4.0.5)
   jquery-rails
   launchy (~> 2.4.3)
@@ -260,6 +268,7 @@ DEPENDENCIES
   rollbar (~> 1.3.1)
   sass-rails (~> 5.0.1)
   selenium-webdriver (~> 2.44.0)
+  sidekiq (~> 3.3.3)
   spring
   uglifier (>= 1.3.0)
   vcr (~> 2.9.3)

Procfile

@@ -1,2 +1 @@
 web: bundle exec puma -C config/puma.rb
-worker:  bundle exec rake jobs:work

app/jobs/application_job.rb

@@ -1,4 +1,4 @@
-class RemoteServerJob < ApplicationJob
+class RemoteServerJob < ActiveJob::Base
   queue_as :default
 
   # Use keyword arguments once Rails 4.2.1 has been released.

app/jobs/remote_server_job.rb

@@ -19,6 +19,6 @@ class Application < Rails::Application
     # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
     # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
     # config.i18n.default_locale = :de
-    config.active_job.queue_adapter = :delayed_job
+    config.active_job.queue_adapter = :sidekiq
   end
 end

bin/delayed_job

@@ -0,0 +1,5 @@
+class DropDelayedJobs < ActiveRecord::Migration
+  def change
+    drop_table :delayed_jobs
+  end
+end

config/application.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20150128005821) do
+ActiveRecord::Schema.define(version: 20150310054307) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -54,22 +54,6 @@
   add_index "commits", ["repo_id"], name: "index_commits_on_repo_id", using: :btree
   add_index "commits", ["sha1", "repo_id"], name: "index_commits_on_sha1_and_repo_id", unique: true, using: :btree
 
-  create_table "delayed_jobs", force: :cascade do |t|
-    t.integer  "priority",   default: 0, null: false
-    t.integer  "attempts",   default: 0, null: false
-    t.text     "handler",                null: false
-    t.text     "last_error"
-    t.datetime "run_at"
-    t.datetime "locked_at"
-    t.datetime "failed_at"
-    t.string   "locked_by"
-    t.string   "queue"
-    t.datetime "created_at"
-    t.datetime "updated_at"
-  end
-
-  add_index "delayed_jobs", ["priority", "run_at"], name: "delayed_jobs_priority", using: :btree
-
   create_table "organizations", force: :cascade do |t|
     t.string   "name",       null: false
     t.string   "url",        null: false