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) >
