. /

Andrey MarkelovRHCARed Hat, Presales Solution Architect

/

HDD 1-15 ms

echo deadline > scheduler

Elevator= as | cfq | deadline | noop

CFQ

/

ionice

Cgroups blkio

Anticipatory-

CFQ

antic_exmire ms

,

:

, web-

(, )

Deadline

anticipatoryread_expire write_expire ms

500 ms 5 s

CFQ

tuned

noop

FIFO-

:

SSD-

SAN

access.redhat.com

IBM redbooks

RH 442 P&T

!



andrey@redhat.com
twitter.com/amarkelov

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