SLOG and SSDs: are "super" capacitors really needed?

[Chris Stankevitz]

On Thu, May 21, 2015 at 8:38 AM, Chris Stankevitz
<chrisstankevitz at gmail.com> wrote:
> Question: do SSD drives report the write has "completed" only after
> the data has been burned into non-volatile storage?

Apparently the answer to this is "no.  SSDs report the write is
completed long before the data has made its way to non-volatile
storage":

https://www.usenix.org/system/files/conference/fast13/fast13-final80.pdf

Thank you for the replies,

Chris