+1 On Sun, Jul 23, 2017 at 1:16 AM Uwe L. Korn <uw...@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 <cutl...@gmail.com> wrote: > > > > > > +1 sounds great! > > > > > > On Thu, Jul 20, 2017 at 11:14 AM, Wes McKinney <wesmck...@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 > > >> > > >
