Vacuuming & Autovacuum: Managing Bloat and Wraparound Quiz Home › PostgreSQL DBA › Vacuuming & Autovacuum: Managing Bloat and Wraparound 🧹 Postgres Database Administration – Vacuuming & Autovacuum: Managing Bloat and Wraparound 20 questions · 15 min timer · Explanations included · Free 1. How does the autovacuum process determine when to vacuum a table? Based on the size of the database logs. Based on the time elapsed since the last vacuum. Based on the number of active connections to the database. Based on the number of dead tuples relative to the table size. None Show Hint Autovacuum uses a threshold based on the number of dead tuples relative to the table size to decide when to vacuum a table. This helps in managing bloat efficiently. 2. What is the effect of setting 'autovacuum_naptime' to a lower value? It increases the frequency of autovacuum checks. It decreases the duration of each autovacuum run. It decreases the frequency of autovacuum checks. It increases the duration of each autovacuum run. None Show Hint Lowering 'autovacuum_naptime' reduces the interval between autovacuum checks, increasing the frequency at which the system checks for tables that need vacuuming. Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Click Submit to see your final score! Previous Start Quiz Next Time's up
