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Improving Block-level Efficiency with scsi-mq
[article]
2015
arXiv
pre-print
Current generation solid-state storage devices are exposing a new bottlenecks in the SCSI and block layers of the Linux kernel, where IO throughput is limited by lock contention, inefficient interrupt handling, and poor memory locality. To address these limitations, the Linux kernel block layer underwent a major rewrite with the blk-mq project to move from a single request queue to a multi-queue model. The Linux SCSI subsystem rework to make use of this new model, known as scsi-mq, has been
arXiv:1504.07481v1
fatcat:qg23obutsjfrzl3zvvhf5w3rzi