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From "Arun K. Subramaniyan" <sarunkar...@gmail.com>
Subject Re: [VOTE] Accept contribution of Plasma Object Store
Date Sun, 23 Jul 2017 15:00:58 GMT
+1

On Sun, Jul 23, 2017 at 1:16 AM Uwe L. Korn <uwelk@xhochy.com> wrote:

> +1
>
> On Fri, Jul 21, 2017, at 01:37 AM, Julian Hyde wrote:
> > +1
> >
> > > On Jul 20, 2017, at 3:07 PM, Bryan Cutler <cutlerb@gmail.com> wrote:
> > >
> > > +1 sounds great!
> > >
> > > On Thu, Jul 20, 2017 at 11:14 AM, Wes McKinney <wesmckinn@gmail.com>
> wrote:
> > >
> > >> Dear all,
> > >>
> > >> The Plasma Object Store provides a server process, reference C++
> client,
> > >> and
> > >> Python binding for managing a collection of binary "objects" in POSIX
> > >> shared
> > >> memory. Applications use a lightweight messaging protocol to create
> and
> > >> delete
> > >> memory blocks in the object store, evict objects to make room for new
> > >> objects,
> > >> and increment and decrement reference counts to indicate shared
> ownership
> > >> of
> > >> memory. It also provides for subscribing to notifications about object
> > >> activity. The system helps simplify ownership transfer and memory
> lifetime
> > >> of
> > >> shared memory blocks, which can be much more complicated in a
> peer-to-peer
> > >> architecture.
> > >>
> > >> The object store has been used in conjunction with the Apache Arrow
> > >> libraries
> > >> to provide for zero-copy access to collections of large objects
> stored in
> > >> shared memory. Incorporating this project into Apache Arrow will help
> the
> > >> community continue to develop and innovate technology for low-overhead
> > >> sharing
> > >> of complex datasets across multiple processes.
> > >>
> > >> Plasma Object Store was developed by the Ray project with the UC
> Berkeley
> > >> RISELab. There have been 8 contributors, with about 3.1 KLOC of C++
> code
> > >> and an
> > >> additional 5.1 KLOC of thirdparty C and C++ code which we have
> reviewed for
> > >> compatibility with the Apache Software Foundation's policies on
> license
> > >> compatibility.
> > >>
> > >> This code was split off from the Ray project from commit id
> > >> `b94b4a35e04d8d2c0af4420518a4e9a94c1c9b9f` [1] and modified by the
> > >> authors for
> > >> inclusion in Apache Arrow in a GitHub pull request [2]. This code has
> been
> > >> staged in a separate repository for review by the community and ASF IP
> > >> Clearance:
> > >>
> > >> - https://github.com/ray-project/arrow-plasma-object-store/tree/
> > >> 11795753b0850cf5ad50d640067a8517ad8629a2#diff-
> > >> 69e56fcedf1b794992b790684902dcd4
> > >>
> > >> This vote is to determine whether the Arrow PMC is in favor of
> accepting
> > >> the
> > >> code contribution. If the vote passes, the PMC and the authors of the
> code
> > >> will
> > >> work together to complete the ASF IP Clearance process and import the
> > >> Plasma
> > >> Object Store into Apache Arrow for inclusion in a future release:
> > >>
> > >>    [ ] +1 : Accept contribution of Plasma Object Store
> > >>    [ ]  0 : No opinion
> > >>    [ ] -1 : Reject contribution because...
> > >>
> > >> The vote is open for 72 hours and will close at 18:15 UTC on Sunday
> 23 July
> > >> 2017 and the results will be announced on this list.
> > >>
> > >> Thanks,
> > >> Wes
> > >>
> > >> [1]: https://github.com/ray-project/ray/commit/
> > >> b94b4a35e04d8d2c0af4420518a4e9a94c1c9b9f
> > >> [2]: https://github.com/apache/arrow/pull/742
> > >>
> >
>

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