ZFS performance gains real or imaginary?
andrew at modulus.org
Thu Dec 18 16:13:03 PST 2008
> Did I miss some major ZFS performance enhancements?
ZFS under 7 is almost completely useless, since I can make it crash
reliably by running "rsync", there's not alot of point talking about its
Would changes committed since mid-August (when I
> built my last ZFS servers from -HEAD + the patch) and now explain this?
> If so, then I really should be upgrading my production ZFS servers to
> the latest -HEAD.
Thats correct, that is the only way to get the best working version of
ZFS. Of course, then everything is unstable and broken - eg. SMBFS
became unusable for me and would crash the server.
> compression is effectively getting me 1/3 more disk space off my 1.5TB
You should try gzip-9 compression mode, it saves almost that much space
again all over :-)
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