As far as I understand DPDK is capable of doing both.

Nothing wrong with hugepages except the fact that I have to enable hugepages on host machines where my application is going to run. This is additional requirement for the host machine I would like to avoid.


Sent from Mail for Windows 10

From: Andrey Kuzmin
Sent: Wednesday, January 23, 2019 17:05
To: Storage Performance Development Kit
Subject: Re: [SPDK] SPDK without hugepages?

On Wed, Jan 23, 2019 at 6:00 PM Ernest Zed <kreuzerkrieg(a)gmail.com> wrote:

> Looks like in the past there was an attempt to work without  hugepages, as
> in `init.c` was a line of code like `args = spdk_push_arg(args, &argcount,
> _sprintf_alloc("--no-huge"));` Looks like it didnt work and was removed.
> So, is it possible?


For that to work, an alternative to huge pages is needed that, at the very
minimum, possesses the same basic qualities:
1) Never ever paged out,
2) Constant-time vtophys translation.


> Any plans to revive this feature? I'm interested in
> getting the NVMe Driver working without hugepages
>

And what's wrong with huge pages?

Regards,
Andrey



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