solid-state drives

Pierre Abbat phma at
Fri Aug 3 05:04:01 PDT 2012

On Friday 03 August 2012 04:19:22 Jelle Hermsen wrote:
> Thanks for all these great tips. I'm building a new workstation and I'll
> probably buy an ssd and use it as root. I'm thinking about maximizing
> the amount of ram and then use tmpfs for /tmp. This will (hopefully)
> still leave me with enough memory to avoid swapping all together so I
> can put the swap partition on a spinning platter drive.
> The only thing that still leads me to doubt is the fact that I won't be
> able to use dedup on the ssd and compared to using a couple of 10,000rpm
> disks in raid 0 the random write performance is not that impressive.

I don't see why you can't, or shouldn't, dedup an SSD. Deduping looks for 
identical sectors and frees one of them; since an SSD is completely 
random-access, there's no penalty for having some sectors far from the file's 
inode. Recopying an SSD is what makes no sense.

sei do'anai mi'a djuno puze'e noroi nalselganse srera

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