On 2026-Aug-18, Tom Lane wrote: > # +ERROR: could not register background process > # +HINT: You may need to increase "max_worker_processes". > > test_shm_mq itself hasn't changed meaningfully in ages, > so it seems like some recent change somewhere else has increased > the probability of not being able to get a worker process. > Maybe autovacuum is eating too many workers? Any thoughts?
Hm, autovacuum does not use workers from the bgworker pool AFAIK. Repack concurrently does. However, I don't think we use repack concurrently anywhere in the standard tests; we only run it in the test_decoding and injection_point tests, which have separate instances. -- Álvaro Herrera Breisgau, Deutschland — https://www.EnterpriseDB.com/ "La persona que no quería pecar / estaba obligada a sentarse en duras y empinadas sillas / desprovistas, por cierto de blandos atenuantes" (Patricio Vogel)
