GCP - Cloud Functions
If a Cloud Function uses 1 GB memory and runs for 100 milliseconds per invocation, how many GHz-seconds are billed for 1,000,000 invocations assuming 2 GHz CPU?
If a Cloud Function uses 1 GB memory and runs for 100 milliseconds per invocation, how many GHz-seconds are billed for 1,000,000 invocations assuming 2 GHz CPU?
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Calculate total execution time in seconds
100 milliseconds = 0.1 seconds. Total time = 1,000,000 * 0.1 = 100,000 seconds.Step 2: Calculate GHz-seconds
CPU speed is 2 GHz. GHz-seconds = 100,000 * 2 = 200,000 GHz-seconds.Final Answer:
200,000 GHz-seconds -> Option BQuick Check:
GHz-seconds = total seconds x CPU GHz [OK]
Quick Trick: GHz-seconds = time x CPU speed x invocations [OK]
Common Mistakes:
- Ignoring CPU speed in calculation
- Not converting milliseconds to seconds
- Multiplying memory instead of CPU speed
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