Re: [RFC PATCH 0/5] Btrfs: Add hot data tracking functionality

From: Ben Chociej
Date: Tue Jul 27 2010 - 19:18:57 EST

On Tue, Jul 27, 2010 at 6:10 PM, Diego Calleja <diegocg@xxxxxxxxx> wrote:
> On Miércoles, 28 de Julio de 2010 00:00:18 bchociej@xxxxxxxxx escribió:
>> With Btrfs's COW approach, an external cache (where data is moved to
>> SSD, rather than just cached there) makes a lot of sense. Though these
> As I understand it, what your proyect intends to do is to move "hot"
> data to a SSD which would be part of a Btrfs pool, and not do any
> kind of SSD caching, as bcache ( does?

Yes, that's correct. It's likely not going to be a cache in the
traditional sense, since the entire capacity of both HDD and SSD would
be available.

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