Re: Using SSDs for caching?

Sébastien Wacquiez
2009-06-19T06:57:12Z

Tomasz Torcz a =C3=A9crit :
> Linux already has second-level=C2=B9 cache layer, it called FS-Cach=
e. For now,
> the sole user is NFS. btrfs could take advantage of FS-Cache also.
>
> =C2=B9 first-level is page cache in RAM
> =20

=46S-Cache is a good thing to speedup your network filesystem, but to b=
e=20
efficient localy, IMHO, the second-level cache shoud be at the block le=
vel.

So it should go directly in btrfs or in something like the device mappe=
r ...

S=C3=A9bastien Wacquiez