Linux tmpfs (Was: [OpenAFS] Solaris 10u6: ZFS cache?)

[Buhrmaster, Gary]

> While talking about cache-performance (not that I know how=20
> they really work)=20
> Would it be beneficial to have a separate Meta-data cache=20
> from a File-data cache?

If IBM/Sun had not patented it, cache management
using the ARC algorithms would probably be a
great improvement for that, and other cases.
(as to whether open source projects could gain
access to the patented algorithms is left as
an exercise to the reader.)

http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=3DPTO1&Sect2=3DHITOFF&d=3D=
PG01&p=3D1&u=3D%2Fnetahtml%2FPTO%2Fsrchnum.html&r=3D1&f=3DG&l=3D50&s1=3D%=
2220040098541%22.PGNR.&OS=3DDN/20040098541&RS=3DDN/20040098541

http://www.almaden.ibm.com/StorageSystems/projects/arc/

http://en.wikipedia.org/wiki/Adaptive_Replacement_Cache =20