What the RocksDB state backend uses memory for in Apache Flink, and three RocksDB settings that control it: block cache size, write buffer size and max write buffer number.
Savepoints vs checkpoints in Apache Flink: how they differ in objective, implementation and lifecycle, and when to use a savepoint in your streaming application.
How Apache Flink incremental checkpoints work with RocksDB: only new SST files are uploaded, a shared state registry counts references, and old files are pruned.
MediaMath rescaled its stateful Flink reporting job after the 2017 S3 outage. A deep dive into how Flink redistributes operator state and keyed state with key groups.
