delayed 0.5.0
Delayed is a multi-threaded, SQL-driven ActiveJob backend used at Betterment to process millions of background jobs per day. It supports postgres, mysql, and sqlite, and is designed to be Reliable (with co-transactional job enqueues and guaranteed, at-least-once execution), Scalable (with an optimized pickup query and concurrent job execution), Resilient (with built-in retry mechanisms, exponential backoff, and failed job preservation), and Maintainable (with robust instrumentation, continuous monitoring, and priority-based alerting).
Gemfile:
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install:
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Runtime Dependencies (2):
activerecord
>= 5.2
concurrent-ruby
>= 0
Development Dependencies (12):
actionmailer
>= 0
activejob
>= 0
activerecord
>= 0
appraisal
>= 0
betterlint
>= 0
mysql2
>= 0
pg
>= 0
rake
>= 0
rspec
>= 0
sqlite3
>= 0
timecop
>= 0
zeitwerk
>= 0