As always, thank you for putting these nice summaries together! On Sun, Jul 14, 2019 at 7:34 PM Konstantin Knauf <konstan...@ververica.com> wrote:
> Dear community, > > happy to share this weeks community update with Apache Flink 1.9, bylaws > for Apache Flink, Savepoints vs Checkpoints, Flink on ARM, and more. > > As always, please feel free to add additional updates and news to this > thread! > > Flink Development > =============== > > * [releases] The release branch for *Apache Flink 1.9.0 *has been cut > lasat Thursday and we are moving on to release testing. [1] > > * [development process] Following the discussion on our FLIP process. > Becket has initiated a discussion [2] on writing up *bylaws for Apache > Flink*, a set of rules governing the core processes of the community. The > plan to add bylaws was very well received and the discussion quickly moved > to the first draft [3] of these bylaws. > > [development process] The migration of our CI infrastructure [4] to a > non-ASF Travis account [5] has been implemented very quickly by Chesnay. > Updates to the *CI bot *are currently discussed in a new thread [6]. > > * [development process] Robert opened a PR [7] to add the *code style and > quality guide* to the contribution guide on the Apache Flink website. If > you have not checked out the guide yet, now is good time ;) > > * [docs] In the course of FLIP-42 Konstantin added a first version of a > *glossary* [8] to the Flink documentation defining frequently used terms > like Operators, Task, Partition, a.s.o. This can help us to use a common > terminology in our documentation as well as on the mailing lists. > > * [state management] Kostas has started a FLIP(-47) [9] on how to think > about *savepoints* *vs* *checkpoints* in the future. In a nutshell, the > FLIP proposes to waive the distinction between savepoints & checkpoints: > both would simply be snapshots. Each snapshot can have different properties > depending on its origin (system/user) and format (incremental, > universal,...). The topic has also been addressed by Yu Li in FLIP-45 [10] > recently. > > * [build] Xiyuan Wang has started a discussion about officially supporting > *Apache > Flink on ARM*-based systems. It looks like there are no big blockers on > the technical side and the discussion currently focuses on integrating an > ARM-based build into our CI infrastructure. [11] > > [1] > http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/ANNOUNCE-Flink-1-9-release-branch-has-been-created-tp30500.html > [2] > http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/DISCUSS-Flink-project-bylaws-tp30409.html > [3] > https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=120731026 > [4] > http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/DISCUSS-solve-unstable-build-capacity-problem-on-TravisCI-tp29881.html > [5] https://travis-ci.com/flink-ci > [6] > http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/CiBot-Update-td30536.html > [7] https://github.com/apache/flink-web/pull/224 > [8] > https://ci.apache.org/projects/flink/flink-docs-master/concepts/glossary.html > [9] > http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/FLIP-47-Savepoints-vs-Checkpoints-tp30324.html > [10] > http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/DISCUSS-FLIP-45-Reinforce-Job-Stop-Semantic-tp30161.html > [11] > http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/DISCUSS-ARM-support-for-Flink-td30298.html > > Notable Bugs > =========== > > Quite a lot of bugs are being opened right now, but these are basically > all related to release testing for Flink 1.9 or test instabilities - hence > not affecting released versions of Apache Flink. > > [FLINK-11654] [1.7.2] [1.8.1] I recently sumbled across this tickcet of > the (exatly-once) FlinkKafkaProducer, which was already created back in > February. When running multiple instances of the same Flink program with an > exactly-once FlinkKafkaProducer, the transational ids used by these > producers can clash (both jobs use the same ids) and the jobs crash > frequently. The resolution is currently under discussion. [12] > > [12] https://issues.apache.org/jira/browse/FLINK-11654 > > Events, Blog Posts, Misc > ==================== > > * *Flink Forward Europ*e early-bird ends on the 15th of July. [13] > * Upcoming Meetups > * On 18th of July *Christos Hadjinikolis* is speaking at the "Big > Data LDN Meetup" on "How real-time data processing is used for application > in customer experience?" [14] > * Rong Rong is now an Apache Flink Committer. Congratulations! [15] > > [13] https://berlin-2019.flink-forward.org/ > [14] https://www.meetup.com/big-data-ldn/events/262638878/ > [15] > http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/ANNOUNCE-Rong-Rong-becomes-a-Flink-committer-td30451.html#a30474 > > Cheers and have a nice evening, > > Konstantin (@snntrable) > > -- > > Konstantin Knauf | Solutions Architect > > +49 160 91394525 > > > -- > > Ververica GmbH | Invalidenstrasse 115, 10115 Berlin, Germany > > -- > > Ververica GmbH > Registered at Amtsgericht Charlottenburg: HRB 158244 B > Managing Directors: Dr. Kostas Tzoumas, Dr. Stephan Ewen >
