Yingjun Wu – Medium

Yingjun Wu

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Stream Processing Systems in 2025: RisingWave, Flink, Spark Streaming, and What’s Ahead

Stream processing isn’t a new technology. In fact, the concept has been studied for at least 23 years! What’s new in 2025?

Jan 27

Stream Processing Systems in 2025: RisingWave, Flink, Spark Streaming, and What’s Ahead

Jan 27

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Rethinking Stream Processing and Streaming Databases

A discussion of stream processing and streaming databases’ past, present, and future from a practitioner’s perspective

Feb 9, 2023

Rethinking Stream Processing and Streaming Databases

Feb 9, 2023

When to Choose Iceberg Instead of an OLAP Data Warehouse

Many of you probably know that I’ve been actively promoting Apache Iceberg. I genuinely believe that Iceberg is one of the most important…

4d ago

When to Choose Iceberg Instead of an OLAP Data Warehouse

4d ago

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We Built an Open Source S3 Tables Alternative

Run Apache Iceberg as easily as Postgres.

Oct 14

We Built an Open Source S3 Tables Alternative

Oct 14

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The Case for Hybrid Cache for Object Stores

How RisingWave built Foyer, a hybrid caching library in Rust to beat S3 latency

Sep 23

The Case for Hybrid Cache for Object Stores

Sep 23

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Why We Didn’t Rewrite Debezium in Rust

CDC is a highly ecosystem-dependent domain, and Debezium is already the de facto industry standard.

Aug 18

Why We Didn’t Rewrite Debezium in Rust

Aug 18

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The Equality Delete Problem in Apache Iceberg

Why streaming CDC to Apache Iceberg is harder than you think.

Aug 12

The Equality Delete Problem in Apache Iceberg

Aug 12

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When Stream Processing Meets Vector Search — The Real-World Use Cases

In the future, all databases will evolve into AI-native databases

Jul 28

When Stream Processing Meets Vector Search — The Real-World Use Cases

Jul 28

Postgres CDC to Iceberg: Lessons from Real-World Data Pipelines

Jul 24

Postgres CDC to Iceberg: Lessons from Real-World Data Pipelines

Jul 24

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Towards Sub-100ms Latency Stream Processing with an S3-Based Architecture

RisingWave is designed to support high concurrency, low latency, multi-tenancy, and elastic scaling — all while storing state directly in…

Jul 7

Towards Sub-100ms Latency Stream Processing with an S3-Based Architecture

Jul 7

Yingjun Wu

Yingjun Wu

Founder of RisingWave (risingwave.com). Database, stream processing, and event-driven architecture. Formerly @ AWS Redshift, IBM Research. PhD @ NUS, CMU.

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