Re: kernel work week of 3-Feb-2010 HEADS UP
I usually only lurk on the DF lists, but I just have to jump in and say
how cool I think this is. I'll definitely have to try out the next
release now..
On Wed, 3 Feb 2010, Matthew Dillon wrote:
> :Would such a SSD cache also improve write performance of a HAMMER file
> :system?
> :To improve write performance we'd probably need to put the UNDO/REDO log
> :on a SSD...
> No, the first iteration is strictly a clean slaved throw-away copy.
....but you are leaving some room for also using it as a write cache later,
right? Whether it's some special hook for HAMMER's un/redo log, or
something completely filesystem agnostic, it seems it could be a huge
benefit to some applications. (like databases?)
Just thinking out loud: if you have some resident-like way of "locking"
data on the SSD, that might be an interesting way to get something similar
to ReadyBoost. (That would perhaps make for a neat GSoC project?)
MAgnus
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