Last Updated: November 21, 2025
Focus Areas
| Focus |
|---|
Pick the right state backend (memory vs RocksDB)
|
Use watermarks for accurate event-time windows
|
Commands & Queries
flink run -c com.example.Job job.jar
Deploy job
./bin/flink list
List running jobs
./bin/flink cancel jobid
Stop job
Summary
Flink jobs need checkpoints, watermarks, and tuning.
💡 Pro Tip:
Checkpoint frequently to minimize downstream recomputation.