You wrote a CloudWatch query to monitor ConsumedReadCapacityUnits but it returns no data. Which of the following is the most likely cause?

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DynamoDB - Cost Optimization and Monitoring

You wrote a CloudWatch query to monitor ConsumedReadCapacityUnits but it returns no data. Which of the following is the most likely cause?

AThe DynamoDB table has no read activity

BThe table is deleted

CThe metric name is misspelled in the query

DCloudWatch does not support this metric

Step-by-Step Solution

Solution:

Step 1: Check metric name correctness
A misspelled metric name causes no data to be returned because CloudWatch cannot find the metric.
Step 2: Consider other options
Even with no read activity, the metric exists and shows zero; table deletion would cause errors; CloudWatch supports this metric.
Final Answer:
The metric name is misspelled in the query -> Option C
Quick Check:
Misspelled metric = No data returned [OK]

Quick Trick: Always verify metric spelling in queries [OK]

Common Mistakes:

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