Clust rconfiguration for network-intensive Flink job

Hi, folks! I am running Flink Streaming job in mode=Batch on EMR. The job has following stages: 1. Read from MySQL 2. KeyBy user_id 3. Reduce by user_id 4. Async I/O enriching from Redis 5. Async I/O enriching from other Redis 6. Async I/O enriching from REST #1 7.

Using Amazon EC2 Spot instances with Flink

Hello, folks! I was wondering if there are some good articles on how to use EC2 Spot instances with Flink? I would appreciate your help! Thank you! Kind Regards, Valeriia