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Microsoft Exam DP-300 Topic 12 Question 37 Discussion
Topic #: 12
Your company uses Azure Stream Analytics to monitor devices.
The company plans to double the number of devices that are monitored.
You need to monitor a Stream Analytics job to ensure that there are enough processing resources to handle the
additional load.
Which metric should you monitor?
The Watermark delay metric is computed as the wall clock time of the processing node minus the largest watermark it has seen so far.
The watermark delay metric can rise due to:
1. Not enough processing resources in Stream Analytics to handle the volume of input events.
2. Not enough throughput within the input event brokers, so they are throttled.
3. Output sinks are not provisioned with enough capacity, so they are throttled.
https://docs.microsoft.com/en-us/azure/stream-analytics/stream-analytics-time-handling
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