[ale] SSD speeds

[Michael Trausch]

I thought there was a 4GB minimum as well, generally speaking. At least that's my understanding from what I have read. I am a btrfs fan myself. Been using it in production for a little under a year on multidevice file systems (I guess what ZFS calls a "pool") quite happily and it has made life SO much easier. 

Sent from my iPhone

> On Jul 7, 2014, at 8:53 AM, Derek Atkins <warlord at MIT.EDU> wrote:
> 
> Jim Kinney <jim.kinney at gmail.com> writes:
> 
>> I think all the major have a package for it but it's not an install option
>> for any that I use.
>> ZFS is pretty bada$$ as long are you have a boatload of RAM and lots of
>> spindles. Putting it on a 1 or 2 drive system seems rather pointless.  But
>> I'm still expecting to have it mainstream Linux in a year or so. The
>> de-dupe would be useful for my work but it would require 512GB RAM for the
>> storage size.
> 
> Regular ZFS requires about 1GB RAM per TB of data.
> Adding in DeDup ups the requirement to about 5GB/TB.  :-/
> 
> Do you really need DeDup?  Personally I feel I can live without it.
> 
> -derek
> -- 
>       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
>       Member, MIT Student Information Processing Board  (SIPB)
>       URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
>       warlord at MIT.EDU                        PGP key available
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