Yingjun Wu
Yingjun Wu is the founder of RisingWave Labs (https://www.risingwave.com/), a database company developing RisingWave, a distributed SQL database for stream processing. Before running the company, Yingjun was a software engineer at the Redshift team, Amazon Web Services, and a researcher at the Database group, IBM Almaden Research Center. Yingjun received his PhD degree from National University of Singapore, and was a visiting PhD at Carnegie Mellon University. He has been working in the field of stream processing and database systems for over a decade.
Sessions
The Dark Secrets of Stream Processing
Talk
16. June 2025, 11:10 - 11:50
Frannz Salon
Stream processing systems promise fresh results, strong consistency, and S3-based cost savings. But pitfalls exist:
* Backfilling takes too long due to incremental state maintenance.
* Consistency causes system stalls during joins.
* S3 costs spike with cache misses.
This talk explores these issues, mitigations, and hard truths.