Scaling components
After a new custom resource type is added to your cluster by installing a CRD, you can create instances of the resource based on its specification. The Kubernetes API can be extended to support the new resource type, automating away the tedious aspects of managing a Pulsar cluster.
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Bookkeeper autoscaler - Automatically scale the number of bookies based on memory usage.
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Broker autoscaler - Automatically scale the number of brokers based on CPU load.
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Rack-aware bookkeeper placement - Place bookies in different racks to guarantee high availability.
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Kafka API - Use the Starlight for Kafka API to bring your Kafka message traffic to Pulsar.
