Delayed::Worker.destroy_failed_jobs = false Delayed::Worker.max_attempts = 5 Delayed::Worker.max_run_time = (ENV['DELAYED_JOB_MAX_RUNTIME'].presence || 2).to_i.minutes Delayed::Worker.read_ahead = 5 Delayed::Worker.default_priority = 10 Delayed::Worker.delay_jobs = !Rails.env.test? Delayed::Worker.sleep_delay = (ENV['DELAYED_JOB_SLEEP_DELAY'].presence || 10).to_f Delayed::Worker.logger = Rails.logger # Delayed::Worker.logger = Logger.new(Rails.root.join('log', 'delayed_job.log')) # Delayed::Worker.logger.level = Logger::DEBUG class Delayed::Job scope :pending, -> { where("locked_at IS NULL AND attempts = 0") } scope :awaiting_retry, -> { where("failed_at IS NULL AND attempts > 0 AND locked_at IS NULL") } scope :failed, -> { where("failed_at IS NOT NULL") } end def database_deadlocks_when_using_optimized_strategy? ENV["DATABASE_ADAPTER"] == "mysql2" end if database_deadlocks_when_using_optimized_strategy? Delayed::Backend::ActiveRecord.configure do |config| config.reserve_sql_strategy = :default_sql end end