Sidekiq : Is too fast; Record not found

“Cannot find ModelName with ID=12345”

Sidekiq is so fast that it is quite easy to get transactional race conditions where a job will try to access a database record that has not committed yet. The clean solution is to use after_commit:

class User < ActiveRecord::Base
  after_commit :greet, :on => :create

  def greet

Note: after_commit will not be invoked in your tests if you have use_transactional_fixturesenabled, but test_after_commit has been written to help out in this case.

If you aren’t using ActiveRecord models, use a scheduled perform to run after you can be sure the transaction has committed:

MyWorker.perform_in(5.seconds, 1, 2, 3)

Either way, Sidekiq’s retry mechanism’s got your back. The first time might fail with RecordNotFound but the retry will succeed.

Copied from ; as notes

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