Integration / Apache Pulsar Interview questions
What is Apache Pulsar?
Apache Pulsar is a distributed, cloud-native messaging and streaming platform, originally built at Yahoo and now an Apache Software Foundation project, designed to handle both traditional queuing and real-time stream processing in one system.
Its defining trait is a segmented architecture that separates the serving layer (stateless brokers) from the storage layer (Apache BookKeeper), letting each scale independently instead of coupling compute and storage on the same node.
Built-in multi-tenancy, geo-replication, and a unified pub-sub/queue model make it a common alternative to running Kafka alongside a separate queuing system.
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