Advanced
Operating Systems
Q88 / 100
What is the completely fair queuing (CFQ) vs deadline I/O scheduler?
Correct! Well done.
Incorrect.
The correct answer is B) CFQ gives equal I/O bandwidth to processes; Deadline prioritizes I/O latency with per-request deadlines, preferred for databases
B
Correct Answer
CFQ gives equal I/O bandwidth to processes; Deadline prioritizes I/O latency with per-request deadlines, preferred for databases
Explanation
CFQ (now replaced by BFQ in Linux) fairness balancing. Deadline scheduler (mq-deadline) prevents request starvation with per-request deadlines, better for latency-sensitive workloads like databases.
Progress
88/100