Armin Braun questions

Armin Braun answers

• spark - How to reduce the shuffle size of a JavaPairRDD<Integer, Integer[]>?
• AWS EMR Cluster Streaming Step: Bad Request
• Does Apache Spark read and process in the same time, or in first reads entire file in memory and then starts transformations?
• What is the difference b/w a docker image generated by docker-compose build vs docker build?
• Entire computer in Git status untracked files
• Setting up Apache Kafka for developer/integration test environment
• Docker Swarm HAProxy Not Load Balancing w/ Overlay Networking
• Spark application kills executor
• Docker compose build error
• Monitoring file changes in Docker volumes