FAQs¶

FAQs for Data Subscription of EnOS Cloud¶

Q: What is the difference between the Basic Alert and the Advanced Alert?¶

A: Difference between the two is corresponding to the difference of the message queue Topic for subscription consumption, the message queue for basic alert subscription is ALARM_RULE_ENGINE_OUTPUT, and the message queue for advanced alert subscription is ALERT_ENGINE_SUBSCRIBE_TOPIC, advanced alert is compatible with basic alert.

Q: How many data subscription jobs can be created for an organization?¶

A: Currently, an organization can have at most 15 data subscription jobs.

Q: How many consumer groups are supported for a data subscription job? How many consumers are supported in a consumer group?¶

A: The number of consumer groups for a data subscription job is not limited, but a consumer group allows 2 consumers to consume to subscribed data at the same time.

Q: How long will subscribed real-time asset data be stored in Kafka topics?¶

A: By default, subscribed data will be stored in Kafka topics for 3 days. In case the data consumption stops temporarily, you can continue consuming the subscribed data within 3 days after the real-time data is subscribed.