Yun-Chih Chen

ARDA: I/O Scheduler for Heterogeneous Workloads Co-located on Ultra-low-latency SSDs

Ultra-low-latency (ULL) SSDs enable cloud service providers to co-locate latency-sensitive services and throughputoriented background jobs on the same machines. However, their microsecond-scale latency creates a scheduling dilemma: conventional I/O schedulers introduce visible overhead, while disabling scheduling remov...