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SubjectRe: [EXT] Re: [PATCH v2 00/22] add Object Storage Media Pool (mpool)
On Wed, Oct 21, 2020 at 10:11 AM Nabeel Meeramohideen Mohamed
(nmeeramohide) <nmeeramohide@micron.com> wrote:
>
> On Tuesday, October 20, 2020 3:36 PM, Dan Williams <dan.j.williams@intel.com> wrote:
> >
> > What does Linux get from merging mpool?
> >
>
> What Linux gets from merging mpool is a generic object store target with some
> unique and beneficial features:

I'll try to make the point a different way. Mpool points out places
where the existing apis fail to scale. Rather than attempt to fix that
problem it proposes to replace the old apis. However, the old apis are
still there. So now upstream has 2 maintenance burdens when it could
have just had one. So when I ask "what does Linux get" it is in
reference to the fact that Linux gets a compounded maintenance problem
and whether the benefits of mpool outweigh that burden. Historically
Linux has been able to evolve to meet the scaling requirements of new
applications, so I am asking whether you have tried to solve the
application problem by evolving rather than replacing existing
infrastructure? The justification to replace rather than evolve is
high because that's how core Linux stays relevant.

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