+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 > >> >
