Hi, Good to see this proposal, it's an interesting project. On Fri, Sep 23, 2022 at 9:29 PM 王勝傑 <soldier.sj.w...@gmail.com> wrote: > > Good luck from XIAOMI > > On 2022/09/22 03:45:10 Yu Li wrote: > > Hi All, > > > > I would like to propose Datark [1] as a new apache incubator project, and > > you can find the proposal [2] of Datark for more details. > > > > Datark is an intermediate (shuffle and spilled) data service for big data > > compute engines (Apache Spark, Apache Flink, Apache Hive, etc.) to boost > > performance, stability, and flexibility. It aims at enabling computing > > engines to fully embrace the disaggregated architecture. In a lot of cases, > > intermediate data depends on large local disks, and is often a major cause > > of inefficiency, instability, and inflexibility in the lifecycle of a > > distributed job. Datark solves the problems through the following core > > designs: > > > > 1. Push-based shuffle plus partition data aggregation to turn random IO > > access into sequential access. > > 2. FileSystem-like API to support writing spilled data. > > 3. Hierarchical storage from memory to DFS/object store to enable fast > > cache and massive storage space. > > 4. Engine-irrelevant APIs for easy integrating to various engines. > > 5. Extended fault tolerance and data replication to increase reliability > > > > Datark is currently adopted in the production environment at both Alibaba > > and many other companies, serving petabytes of data per day. Beyond that, > > it has more open source users including Shopee, NetEase, Bilibily, BOSS, > > and Synnex. Most of these users have made contributions to the project, > > forming an active community with dozens of developers. > > > > The proposed initial committers are interested in joining ASF to reinforce > > extensive collaboration and build a more vibrant community. We believe the > > Datark project will provide tremendous value for the community if it is > > introduced into the Apache incubator. > > > > I will help this project as the champion and many thanks to our four other > > mentors: > > > > * Becket Qin (j...@apache.org) > > * Duo Zhang (zhang...@apache.org) > > * Lidong Dai (lidong...@apache.org) > > * Willem Jiang (ningji...@apache.org) > > > > FWIW, although with different solutions, the issues Datark aims to resolve > > have some overlap with Apache Uniffle (incubating) [3]. Actually we noticed > > this during the discussion phase of Uniffle incubation (when we were also > > preparing for the incubation) and had some open and friendly discussion to > > see whether there could be a joint force [4], and finally decided to > > develop independently for the time being [5]. > > > > Look forward to your feedback. Thanks. > > > > Best Regards, > > Yu > > > > [1] https://github.com/alibaba/RemoteShuffleService > > [2] https://cwiki.apache.org/confluence/display/INCUBATOR/DatarkProposal > > [3] https://uniffle.apache.org/ > > [4] https://lists.apache.org/thread/1w74z5f0pb7bhslhzcl5x7rdj9s9objz > > [5] https://lists.apache.org/thread/pg8lzhzc1794x3yloqp169j0mdzqs3yw > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org > For additional commands, e-mail: general-h...@incubator.apache.org >
-- Best wishes！ CalvinKirs --------------------------------------------------------------------- To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org For additional commands, e-mail: general-h...@incubator.apache.org
