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0 pointslathiat2y ago0 comments

SATA also has multiple I/O queues. It’s called “NCQ”

The exact semantics vary per protocol but it’s a feature of most protocols at least in the currently used revisions: https://en.wikipedia.org/wiki/Native_Command_Queuing

0 comments

That's one queue per drive. NVMe allows multiple queues per drive, commonly used to assign one queue per CPU core.

j / k navigate · click thread line to collapse

0 pointslathiat2y ago0 comments

SATA also has multiple I/O queues. It’s called “NCQ”

The exact semantics vary per protocol but it’s a feature of most protocols at least in the currently used revisions: https://en.wikipedia.org/wiki/Native_Command_Queuing

That's one queue per drive. NVMe allows multiple queues per drive, commonly used to assign one queue per CPU core.

j / k navigate · click thread line to collapse