Re: [Lsf-pc] [LSF/MM TOPIC] a few storage topics

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]


 
> 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

--
dm-devel mailing list
dm-devel@xxxxxxxxxx
https://www.redhat.com/mailman/listinfo/dm-devel


[DM Crypt]     [Fedora Desktop]     [ATA RAID]     [Fedora Marketing]     [Fedora Packaging]     [Fedora SELinux]     [Yosemite Discussion]     [Yosemite Photos]     [KDE Users]     [Fedora Tools]     [Fedora Docs]

Add to Google Powered by Linux