It's very exciting to hear the news. +1 for adding CDC Connectors to Apache Flink !
Best, Zhongqiang Leonard Xu <xbjt...@gmail.com> 于2023年12月7日周四 11:25写道： > Dear Flink devs, > > > As you may have heard, we at Alibaba (Ververica) are planning to donate CDC > Connectors for the Apache Flink project > *[1]* to the Apache Flink community. > > > > CDC Connectors for Apache Flink comprise a collection of source connectors > designed specifically for Apache Flink. These connectors > *[2]* > enable the ingestion of changes from various databases using Change Data > Capture (CDC), most of these CDC connectors are powered by Debezium > *[3]* > . They support both the DataStream API and the Table/SQL API, facilitating > the reading of database snapshots and continuous reading of transaction logs > with exactly-once processing, even in the event of failures. > > > > Additionally, in the latest version 3.0, we have introduced many long-awaited > features. Starting from CDC version 3.0, we've built a Streaming ELT > Framework available for streaming data integration. This framework allows > users to write their data synchronization logic in a simple YAML file, which > will automatically be translated into a Flink DataStreaming job. It > emphasizes optimizing the task submission process and offers advanced > functionalities such as whole database synchronization, merging sharded > tables, and schema evolution > *[4]*. > > > > > I believe this initiative is a perfect match for both sides. For the Flink > community, it presents an opportunity to enhance Flink's competitive > advantage in streaming data integration, promoting the healthy growth and > prosperity of the Apache Flink ecosystem. For the CDC Connectors project, > becoming a sub-project of Apache Flink means being part of a neutral > open-source community, which can attract a more diverse pool of contributors. > > > Please note that the aforementioned points represent only some of our > motivations and vision for this donation. Specific future operations need to > be further discussed in this thread. For example, the sub-project name after > the donation; we hope to name it Flink-CDC > aiming to streaming data intergration through Apache Flink, > following the naming convention of Flink-ML; And this project is managed by a > total of 8 maintainers, including 3 Flink PMC members and 1 Flink Committer. > The remaining 4 maintainers are also highly active contributors to the Flink > community, donating this project to the Flink community implies that their > permissions might be reduced. Therefore, we may need to bring up this topic > for further discussion within the Flink PMC. Additionally, we need to discuss > how to migrate existing users and documents. We have a user group of nearly > 10,000 people and a multi-version documentation site need to migrate. We also > need to plan for the migration of CI/CD processes and other specifics. > > > > While there are many intricate details that require implementation, we are > committed to progressing and finalizing this donation process. > > > > Despite being Flink’s most active ecological project (as evaluated by GitHub > metrics), it also boasts a significant user base. However, I believe it's > essential to commence discussions on future operations only after the > community reaches a consensus on whether they desire this donation. > > > Really looking forward to hear what you think! > > > > Best, > Leonard (on behalf of the Flink CDC Connectors project maintainers) > > [1] https://github.com/ververica/flink-cdc-connectors > [2] > https://ververica.github.io/flink-cdc-connectors/master/content/overview/cdc-connectors.html > [3] https://debezium.io > [4] > https://ververica.github.io/flink-cdc-connectors/master/content/overview/cdc-pipeline.html >
