AutoSSD: CXL-Enhanced Autonomous SSDs for Low Tail Latency
Mingyao Shen, Suyash Mahar, Heewoo Kim, Joseph Izraelevitz, Steven Swanson · 2025
All-SSD RAID arrays offer high performance but suffer from long tail latencies due to background processes like garbage collection. Globally scheduling accesses to avoid busy SSDs may mitigate this problem, but such a solution presents challenges in collecting realtime data about SSD performance and tracking the location of redirected blocks.