CFQ
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CFQ a.k.a "Complete Fair Queuing" is an I/O scheduler for Linux kernel.
CFQ I/O scheduler has made its way into the mainline kernel since the release of kernel 2.6.6 stable, and it currently serves as the optional I/O scheduler.
Other I/O schedulers:
- Anticipatory (Currently, it is the default I/O scheduler for vanilla kernel)
- Deadline
External link
- Short detail about CFQ (http://kerneltrap.org/node/view/580)