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From: Chris Torek <torek@elf.torek.net>
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Subject: Re: [TUHS] FreeBSD behind the times? (was: Favorite unix design
 principles?)
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For what it's worth, you don't *have* to use compression on ZFS.
But everything still goes through the ARC, which is ... messy.
And eats memory for breakfast and then more memory for snacks and
lunch and more snacks and so on.  Fortunately memory is cheap, if
you have a modern box.  Unfortunately, I still don't, yet.

ZFS has a ton of stuff in it.  That, also, is messy, and not a
great thing in terms of kernel size and security and alacrity and
so on.  But it has some really cool ideas in it.  I'm perfectly
happy to use it, or will be once I build a new box (still haven't
made the jump to an AMD system with ECC).

Chris