PostgreSQL Architecture: Postmaster Quiz Home › PostgreSQL DBA › PostgreSQL Architecture: Postmaster 🏗️ Postgres Database Administration – PostgreSQL Architecture: Postmaster 20 questions · 15 min timer · Explanations included · Free 1. Which process is responsible for cleaning up dead tuples in PostgreSQL? Checkpointer Autovacuum daemon WAL writer Background writer None Show Hint The autovacuum daemon is responsible for cleaning up dead tuples, preventing table bloat and maintaining database performance. 2. What is the impact of increasing the shared_buffers parameter in PostgreSQL? Improves query execution speed by caching more data Reduces the need for vacuuming Increases the number of backend processes Decreases the amount of memory available for other processes None Show Hint Increasing the shared_buffers parameter allows PostgreSQL to cache more data in memory, which can improve query execution speed by reducing disk I/O. 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
