[dm-devel] [Lsf-pc] [LSF/MM TOPIC] a few storage topics

[Loke, Chetan]

> If the reason for not setting a larger readahead value is just that it
> might increase memory pressure and thus decrease performance, is it
> possible to use a suitable metric from the VM in order to set the value
> automatically according to circumstances?
> 

How about tracking heuristics for 'read-hits from previous read-aheads'? If the hits are in acceptable range(user-configurable knob?) then keep seeking else back-off a little on the read-ahead?

> Steve.

Chetan Loke