Your Redis network connection is performing extremely poorly.

[luckow]

Nov 17 21:46:01 W, [2025-11-17T20:46:01.282775 #3477] WARN -- : Your Redis network connection is performing extremely poorly.
Nov 17 21:46:01 Last RTT readings were [581536, 81848, 161753, 3326223, 720184], ideally these should be < 1000.
Nov 17 21:46:01 Ensure Redis is running in the same AZ or datacenter as Sidekiq.
Nov 17 21:46:01 If these values are close to 100,000, that means your Sidekiq process may be
Nov 17 21:46:01 CPU-saturated; reduce your concurrency and/or see https://github.com/sidekiq/sidekiq/discussions/5039

Let's see if more memory is the solution.

[luckow]

Giving 512 MB of RAM to the app seems to solve the “problem.”