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The topics are for transferring data to the Spark Application, receiving calculated KPIs from Spark, and a third topic for alarms. The default names of the topics are kpi-input, kpi-output, and kpi-alarm, but the names can be altered in the KPI Management Profile. Ensure that the number of partitions must match the number of Kafka brokers.
Retention Settings
The default data retention period in Kafka is one day. You can change the length of this period to conserve disk space.
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