Q: what is the causes of Exhausted 2 retries in sidekiq.log On my sidekiq.log I have a warn message WARN: {:message=>"Exhausted 2 retries"}. I would like to know how to fix that issues.
complete gist at line 16.

A: The problem is here:

EXECABORT Transaction discarded because of previous errors.

Your Redis instance is broken somehow, most likely out of memory.
