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I/O linux kernel shedulers and parameters

SHORT VERSION: at end click here LONG VERSION: Choosing an I/O Scheduler for linux, if have¡¡¡¡ VERSION CORTA: al final click aqui VERSION LARGA: Elegir un modo para el Programador I/O de Linux, si tienen ¡¡¡¡ There are primarily three available I/O schedulers (also known as "elevator policies" ) , these decide the order in which read and write requests are serviced by the block devices, and these are not to be confused with the thread scheduler, which allocates CPU time to threads and processes. These are selected at boot time via the "elevator" kernel parameter, but in 2.6 new are introduced new noop mode, lest see all. An I/O Scheduler its a way of handle reading of data from any block devices, even the main memory, this also including wsap file area¡ The...

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