Hi, Here is a small patch to propagate track_cost_delay_timing to parallel autovacuum workers. 1ff3180ca01 propagates the cost-based delay parameters via PVSharedCostParams but left this one out, so a worker keeps the value it inherited at parallel start, and workers will not report sleep time if the GUC is turned on mid-flight.
This only impacts delay reporting, but should be backpatched to 19 which introduced parallel autovacuum. CC Sawada-san and Zsolt since there is a related discussion in [1], though that one is about throttling. [1] https://www.postgresql.org/message-id/flat/CAN4CZFOZtEPwGQ6oa9LvHvN522zEp8h_dW9hHExSh7pVXofoKQ%40mail.gmail.com -- Sami Imseih Amazon Web Services (AWS)
v1-0001-Propagate-track_cost_delay_timing-to-parallel-aut.patch
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