How to control queues and concurrency in Sidekiq? ruby

How to control queues and concurrency in Sidekiq?

Sidekiq capsules let you give each queue its own concurrency, so photo processing stops clogging urgent jobs and API calls stay under rate limits. A three-step setup: configure the capsule, assign the job, and call it, with configuration examples.

Oct 13, 2025

Sidekiq basic_fetch and super_fetch differences redis

Sidekiq basic_fetch and super_fetch differences

Sidekiq basic_fetch vs super_fetch: open source Sidekiq fetches jobs with BRPOP and loses them when a process crashes, while Sidekiq Pro's super_fetch uses RPOPLPUSH with private per-process queues to recover orphaned jobs. What that means for queue reliability.

May 8, 2023