Congrats, Yang Wang! 🎉 Well deserved.
Best regards, Junbo Wang > On 4 Aug 2026, at 16:40, Giannis Polyzos <[email protected]> wrote: > > Well deserved 🎉🚀 > > Best, > Giannis > > On Tue, Aug 4, 2026 at 11:33 AM yunhong Zheng <[email protected]> wrote: > >> Hi Fluss Community, >> >> The Apache Fluss Project Management Committee (PMC) has invited Yang >> Wang to become a committer, and we are pleased to announce that Yang >> Wang is now a Fluss committer. >> >> Yang has been actively contributing to the Fluss project since its >> early days. His main work has focused on the server and KV storage >> engine, along with the Flink connector and client, with a strong >> emphasis on new query and storage capabilities, exactly-once >> semantics, and production stability. Key contributions include the WAL >> changelog image mode for Primary Key tables, RocksDB observability and >> resource control (metrics reporting, per-component memory metrics, >> shared rate limiter, and block cache options), async metadata request >> processing, the AlignedRow row encoding, and remote storage >> orphan-file cleanup. He also fixed several critical reliability >> issues, including an ISR state leak causing deadlock during rolling >> upgrades, a ReplicaFetcher busy-loop retry storm, RequestChannel >> EventLoop backpressure, a Netty ByteBuf leak, and lookuper >> thread-safety problems. >> >> Notably, Yang has driven multiple FIPs that significantly enhance >> Fluss's analytical and storage capabilities: >> >> FIP-21: Aggregation Merge Engine[1] - Introduces an aggregation merge >> engine for Primary Key tables, with Flink integration, partial >> updates, roaring bitmap aggregate functions, and exactly-once >> semantics via producer offset snapshots and undo recovery. >> >> FIP-10: Support Log RecordBatch Filter Pushdown[2] - Adds a V1 log >> batch format with statistics collection and server-side filter >> execution with client-side and Flink integration, significantly >> reducing the data transferred and scanned for filtered reads. >> >> FIP-38: Global Secondary Index[3] - Designs global secondary indexing >> for Fluss tables to accelerate lookups on non-primary-key columns. >> >> Please join us in congratulating Yang Wang[4] on becoming a Fluss >> committer! >> >> [1]: >> https://cwiki.apache.org/confluence/spaces/FLUSS/pages/399279341/FIP-21+Aggregation+Merge+Engine >> [2]: >> https://cwiki.apache.org/confluence/spaces/FLUSS/pages/373886990/FIP-10+Support+Log+RecordBatch+Filter+Pushdown >> [3]: >> https://cwiki.apache.org/confluence/spaces/FLUSS/pages/421954258/FIP-38+Global+Secondary+Index >> [4]: https://github.com/platinumhamburg >> >> regards, >> Yunhong (Swuferhong) >>
