Budget Fair Queueing (BFQ) I/O Scheduler
BFQ is a proportional-share storage-I/O scheduler that also supports cgroups. Available in Linux since 4.12, BFQ features the following performance (benchmark results here), on any type of storage medium (embedded flash storage, HDDs, SATA or NVMe SSDs, ...) and on systems ranging from minimal embedded systems to high-end servers: Low latency for interactive tasks Under load, BFQ loads application
Elevator algorithm - Wikipedia
This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Elevator algorithm" – news · newspapers · books · scholar · JSTOR (November 2007) (Learn how and when to remove this message) The elevator algorithm, or SCAN, is a disk-scheduling algorithm to determine
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Variations on fair I/O schedulers [LWN.net]
