Congratulations! Very impactful contributions and very well deserved! Best Keith
On Tue, 4 Aug 2026 at 13:34, Hongshun Wang <[email protected]> wrote: > Congrats, Yang Wang! 🎉 Well deserved. > > > Best regards, > Hongshun Wang > > On Tue, Aug 4, 2026 at 8:22 PM Junbo Wang <[email protected]> wrote: > > > 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) > > >> > > > > >
