Re: Write lifetime hints for NVMe - Mailing list pgsql-hackers

From Dmitry Dolgov
Subject Re: Write lifetime hints for NVMe
Date
Msg-id CA+q6zcUn7F7MRo8o2aLu11R6qJVWN3gVi+QTEFzrK6PsdACsow@mail.gmail.com
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In response to Re: Write lifetime hints for NVMe  (Tomas Vondra <tomas.vondra@2ndquadrant.com>)
Responses Re: Write lifetime hints for NVMe
List pgsql-hackers
> On 27 January 2018 at 16:03, Tomas Vondra <tomas.vondra@2ndquadrant.com> wrote:
>
> Aren't those numbers far lower that you'd expect from NVMe storage? I do
> have a NVMe drive (Intel 750) in my machine, and I can do thousands of
> transactions on it with two clients. Seems a bit suspicious.

Maybe an NVMe storage can provide much higher numbers in general, but there are
resource limitations from AWS itself. I was using c5.large, which is the
smallest possible instance of type c5, so maybe that can explain absolute
numbers - but anyway I can recheck, just in case if I missed something.


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