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Apache Flink Community

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Apache Flink Community

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Flink 2.1 SQL: Unlocking Real-time Data & AI Integration for Scalable Stream Processing

This article is adapted from Lincoln Lee’s presentation in the Real-Time AI track at Flink Forward Asia Singapore 2025.

Apache Flink FLIP-12: Asynchronous I/O

Follow the Apache Flink® Community for making Flink's External System Data Processing More Efficient.

Understanding Fluss Partial Update

Traditional streaming data pipelines often need to join many tables or streams on a primary key to create a wide view.

vivo's Lakehouse Integration Practice Based on Paimon

This article is compiled from the presentation by Xu Yu, an internet big data expert at vivo and Apache Paimon Committer, during the Flink Forward Asia 2024 Streaming Lakehouse session (Part One).

Apache Flink FLIP-11: Simplified Stream Aggregation

Follow the Apache Flink® Community for making Stream Aggregation Simpler in Table API.

FLIP-10: Unified Checkpoints and Savepoints

Follow the Apache Flink® Community for making Data Backup Simpler in Flink.

FLIP-9: Trigger Language

An Attempt at Defining a Rule Language for Flink Triggers

Apache Flink FLIP-8: Scalable Non-Partitioned State

Follow the Apache Flink® Community for making Non-Partitioned State Scalable in Flink.

Streaming Data Integration from MySQL to Kafka using Flink CDC YAML

This tutorial demonstrates how to build a real-time MySQL-to-Kafka data pipeline using Flink CDC YAML without coding.

Flink SQL 101: Embrace Unified Stream and Batch Processing

This article introduces Flink SQL, a unified stream-batch processing engine, focusing on key concepts like Stream-Table Duality, event time/watermarks.

Apache Flink FLIP-7: Visualizing Monitoring Metrics in Web UI

Follow the Apache Flink® Community for making Flink Metrics More Accessible Through Web UI Visualization.

Apache Flink FLIP-6: Dynamic Resource Management for Optimized Cluster Deployment

This is Technical Insights Series by Perry Ma | Product Lead, Real-time Compute for Apache Flink at Alibaba Cloud.

Flink Materialized Table: Building Unified Stream and Batch ETL

This article explores Apache Flink's Materialized Table, a unified stream-batch architecture introduced in Flink 2.

Apache Flink Broadcast Variable Optimization: FLIP-5's Approach to Reducing Network Overhead

This is Technical Insights Series by Perry Ma | Product Lead, Real-time Compute for Apache Flink at Alibaba Cloud.

Apache Flink FLIP-4: Enhanced Window Evictor for Flexible Data Eviction Before/After Processing

This is Technical Insights Series by Perry Ma | Product Lead, Real-time Compute for Apache Flink at Alibaba Cloud.

Compare Flink SQL and DataStream API: Comprehensive Guide for New Developers

Apache Flink is a stream processing framework with two main interfaces: Flink SQL, which uses SQL for batch and streaming data, and the DataStream API...

FLIP-3: Documentation Reorganization

This is Technical Insights Series by Perry Ma | Product Lead, Real-time Compute for Apache Flink at Alibaba Cloud.

Best Practices for Flink CDC YAML in Realtime Compute for Apache Flink

This article is authored by the data pipeline team of Alibaba Cloud's open-source big data platforms.

Flash: A Next-gen Vectorized Stream Processing Engine Compatible with Apache Flink

This article is based on a presentation by Mr. Wang Feng (nickname: Mowen), senior director at Alibaba Cloud and head of the open source big data de.

Latest Comments

5811833376407211 Commented on One-Click Database Synchronization from MongoDB to Paimon Using Flink CDC

You beat me to this. was / is busy with a similar blog, describing same flow.Nicely done.G

5873011638862493 Commented on Apache Flink Has Become the De Facto Standard for Stream Computing

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Dikky Ryan Pratama Commented on The Thinking and Design of a Quasi-Real-Time Data Warehouse with Stream and Batch Integration

Awesome!

5444248861672821 Commented on Streaming ETL for MySQL and Postgres with Flink CDC

Really Nice post! I have a question regarding the elasticsearch sql connector part, it seems like they don't have SSL options (like ca.crt file path...) in current connector, does anybody have any idea how to connect to ES as a sink with ssl?

Arman Ali Commented on Flink: How to Optimize SQL Performance Using Multiple-input Operators

Great!