PostgreSQL Architecture: Postmaster Quiz Home โบ PostgreSQL DBA โบ PostgreSQL Architecture: Postmaster ๐๏ธ Postgres Database Administration – PostgreSQL Architecture: Postmaster 20 questions ยท 15 min timer ยท Explanations included ยท Free 1. What is the impact of increasing the shared_buffers parameter in PostgreSQL? Reduces the need for vacuuming Decreases the amount of memory available for other processes Increases the number of backend processes Improves query execution speed by caching more data 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. 2. Which scenario would most likely cause a backend process to terminate unexpectedly? A client disconnects gracefully The Postmaster process is restarted A segmentation fault occurs due to a bug in a custom extension A SQL query exceeds the execution time limit None Show Hint A segmentation fault in a custom extension can cause a backend process to terminate unexpectedly. Proper error handling and testing are essential to prevent such issues. 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