Apache Kafka اسئلة واجوبة المقابلات

Question: What roles do Replicas and the ISR play?

• Basically, a list of nodes that replicate the log is Replicas. Especially, for a particular partition. However, they are irrespective of whether they play the role of the Leader.
• In addition, ISR refers to In-Sync Replicas. On defining ISR, it is a set of message replicas that are synced to the leaders.