Here are some of the important features of Kafka :
High Throughput
Provides support for hundreds of thousands of messages with modest hardware.
Scalability
Highly scalable distributed systems with no downtime
Durability
Provides support for persistence of messages to disk which can be further used for batch consumption
Data Loss
Kafka with the proper configurations can ensure zero data loss.
Replication
Messages can be replicated across cluster, which provides support for multiple subscribers
Stream Processing
Kafka can be used along with real time streaming applications like spark and storm.
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