LIOS executes ANNS index updates inside search I/O stall windows via resumable subtasks, overrun bounding, and dynamic fraction adjustment, delivering up to 2.68x insertion and 2.18x deletion speedups in FreshDiskANN and OdinANN while controlling latency degradation.
Achieving low-latency graph- based vector search via aligning best-first search algo- rithm with SSD
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Leveraging I/O Stalls for Efficient Scheduling in ANNS
LIOS executes ANNS index updates inside search I/O stall windows via resumable subtasks, overrun bounding, and dynamic fraction adjustment, delivering up to 2.68x insertion and 2.18x deletion speedups in FreshDiskANN and OdinANN while controlling latency degradation.