Hubert (depesz) Lubaczewski • 1/24/2025

Waiting for PostgreSQL 18 – Allow changing autovacuum_max_workers without restarting.

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A new PostgreSQL 18 feature introduces autovacuum_worker_slots, a parameter set at startup, enabling autovacuum_max_workers to be changed via SIGHUP reload. This allows DBAs to scale autovacuum activity up or down (e.g., during off-peak hours) without restarting the database server, offering greater operational control and optimization.

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#postgresql #performance tuning #Database Configuration
Waiting for PostgreSQL 18 – Allow changing autovacuum_max_workers without restarting.

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