Rich Freeman on 16 Apr 2015 11:09:51 -0700


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Re: [PLUG] swappiness and ssd


On Thu, Apr 16, 2015 at 12:54 PM, Soren Harward <stharward@gmail.com> wrote:
> Recent testing stats [0] 've seen are that consumer-grade SSDs are
> good for at least 500TB of writes, and many survive well past 2PB.  So
> they're unlikely to be significantly degraded even by using them for a
> swap drive.

Those kinds of stats assume certain kinds of use patterns.  Lots of
internal writes to a swap file may or may not wear evenly across the
entire SSD memory.

I'm not saying it is a recipe for disaster, but I'd be careful in
extrapolating benchmarks without understanding how they were
collected.

--
Rich
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