+1. I think we can get started on the graduation process. 陈明雨 <morning...@163.com> 于2022年2月9日周三 22:26写道：
> >For the relationship of the Impala project, I think we need to get in > >touch with the Impala team to get more feedback.Before entering the > apache incubator, Doris was developed based on a very early version of > Impala. > > In order to adapt to Doris' architecture (both metadata and planning are > in FE), we have made many changes. > > > > > After entering the apache incubator, we try to give back some new features > to the Impala community including Grouping set [1], left join -> inner join > [2], etc. > > Although we raised tickets, after communicating with Impala PMC, we found > that new features we wanted to give back to Impala have been implemented. > > So in the end there is no substantial code contribution. > > > Both communities are iterating rapidly at their own pace, and many common > SQL features do overlap in part, but only in terms of functionality, with > significant differences at the code level. > > > > [1] https://issues.apache.org/jira/browse/IMPALA-9298 > > [2] https://issues.apache.org/jira/browse/IMPALA-11074 > > > > > -- > > 此致！Best Regards > 陈明雨 Mingyu Chen > > Email: > chenmin...@apache.org > > > > > > 在 2022-02-09 14:43:10，"陈明雨" <morning...@163.com> 写道： > >>I just want to mention about the recent release of Java code, it's > >>better to add another git repo to host the java code for the maven > >>release. > >>It doesn't make any sense that we have different tags for the java > >>code release. I'd like to see this issue addressed before graduation. > > > >Thanks for you suggestion. I will start a new thread to discuss it. I > think creating a new repo is a good way to address this issue. > > > >-- > > > >此致！Best Regards > >陈明雨 Mingyu Chen > > > >Email: > >chenmin...@apache.org > > > > > > > > > > > >At 2022-02-08 20:44:25, "Willem Jiang" <willem.ji...@gmail.com> wrote: > >>It is good to see Doris did lots of work on building up the community. > >>The brand issues were addressed last year. > >>For the relationship of the Impala project, I think we need to get in > >>touch with the Impala team to get more feedback. > >> > >>I just want to mention about the recent release of Java code, it's > >>better to add another git repo to host the java code for the maven > >>release. > >>It doesn't make any sense that we have different tags for the java > >>code release. I'd like to see this issue addressed before graduation. > >> > >>Willem Jiang > >> > >>Twitter: willemjiang > >>Weibo: 姜宁willem > >> > >>On Tue, Feb 8, 2022 at 3:09 PM 陈明雨 <morning...@163.com> wrote: > >>> > >>> Hi all. > >>> > >>> > >>> > >>> > >>> Apache Doris (Incubating) has been in development for over 3 years > since it entered the Apache incubator in September 2018. > >>> > >>> During our time in the Incubator, we have learned a lot about open > source software governance and the Apache Foundation's philosophy on > managing, maintaining, and developing open source community. > >>> > >>> > >>> > >>> > >>> I am pleased to conduct a discussion here on matters related to Doris' > graduation from the incubator. > >>> > >>> > >>> > >>> > >>> The following is a brief overview of the progress of the Doris project > and community since entering the incubator. > >>> > >>> > >>> > >>> > >>> 1. Community > >>> > >>> > >>> > >>> > >>> - 8 new PPMC members were added, from five different companies, > bringing the total number of PPMC members to 21. > >>> > >>> - 16 new Committers were added (including the new PPMC members), > bringing the total number of Committers to 29. > >>> > >>> - The number of Contributors is now 245 and growing. > >>> > >>> - The dev@doris mailing list currently has 289 subscribers, and > all major project discussions are happening in the dev@doris. > >>> > >>> > >>> > >>> > >>> 2. Project > >>> > >>> > >>> > >>> > >>> - 7 releases by 6 release managers. All compliance issues have > been resolved. > >>> > >>> - Doris official website[1] is compliant with Apache Foundation > requirements[2]. > >>> > >>> - Project maturity model is detailed in [3]. > >>> > >>> - We have also created a pre-graduation Check List[4] following > the Apache official website guidelines and are currently moving forward. > >>> > >>> > >>> > >>> > >>> Some things that I think need further discussion. > >>> > >>> > >>> > >>> > >>> 1. Branding issue > >>> > >>> > >>> > >>> > >>> Doris had some branding issues during the incubating[5][6]. I > think these issues have been resolved and would appreciate the mentors' > assistance in checking them out. > >>> > >>> > >>> > >>> > >>> 2. Relationship with Apache Impala > >>> > >>> > >>> > >>> > >>> Doris' current query engine is forked from Impala version v0.7 and > has been updated with Impala in the early stages of the project (hands-on > code merge). > >>> > >>> In the Doris Proposal [7], we expressed our desire to decouple the > Doris storage engine from the query engine through a layer of abstract API. > So that the query layer could fully follow Impala's evolution. > >>> > >>> However, as the project progressed, we found it difficult to > achieve this goal, mainly for the following reasons. > >>> > >>> > >>> > >>> > >>> 1. Impala focus on providing query acceleration on the Hadoop > ecosystem, while Doris focus on a standalone data warehouse or DBMS system. > The difference of targets means that many features do not meet the needs of > both projects. > >>> > >>> > >>> > >>> 2. Doris has completely refactored the metadata and has its own > storage engine. This required a deep integration of the query layer with > the metadata and the storage engine. We also made a lot of architectural > changes for this. > >>> > >>> > >>> > >>> 3. Doris has now developed a new vectorized execution engine that > rewrites most of the execution node in query layer, which is different from > Impala. > >>> > >>> > >>> > >>> > >>> For these reasons, it is difficult for us to continue to follow > the Impala community with code level iterations and integrations. > >>> > >>> Of course, all code references to Impala are fully compliant with > the Apache License, and we explicitly declare the relationship between > Doris and Impala in the NOTICE file[8] and the README file[9] and thank the > Impala community for their help. > >>> > >>> Since this aspect deviates from the direction in the original > Proposal, I think it needs to be listed separately for necessary discussion. > >>> > >>> > >>> > >>> > >>> If there are any other aspects that need to be discussed before > graduation, please discuss. > >>> > >>> > >>> > >>> > >>> [1] http://doris.incubator.apache.org/ > >>> > >>> [2] https://whimsy.apache.org/pods/project/doris > >>> > >>> [3] > https://cwiki.apache.org/confluence/display/DORIS/Maturity+Assessment+for+Doris > >>> > >>> [4] > https://cwiki.apache.org/confluence/display/DORIS/Graduation+Check+List > >>> > >>> [5] https://lists.apache.org/thread/k8klobjzffobbx161nj6plc0mfl8gc7z > >>> > >>> [6] https://lists.apache.org/thread/t6dwq77x0jjm63kpkzlq51sfbowd92p9 > >>> > >>> [7] > https://cwiki.apache.org/confluence/display/incubator/DorisProposal > >>> > >>> [8] https://github.com/apache/incubator-doris/blob/master/NOTICE.txt > >>> > >>> [9] https://github.com/apache/incubator-doris/blob/master/README.md > >>> > >>> > >>> > >>> > >>> -- > >>> > >>> 此致！Best Regards > >>> 陈明雨 Mingyu Chen > >>> > >>> Email: > >>> chenmin...@apache.org > >> > >>--------------------------------------------------------------------- > >>To unsubscribe, e-mail: dev-unsubscr...@doris.apache.org > >>For additional commands, e-mail: dev-h...@doris.apache.org >
