[Solved] Why does Cloud Trace use sampling instead of tracing every request in high-traffic applications? — Ans: To reduce overhead and storage costs while still capturing representative... | GCP

GCP - Cloud Monitoring and Logging

Why does Cloud Trace use sampling instead of tracing every request in high-traffic applications?

ABecause tracing every request is not technically possible

BBecause Cloud Trace only supports a fixed number of traces per day

CTo avoid tracing requests from certain users

DTo reduce overhead and storage costs while still capturing representative latency data

Step-by-Step Solution

Solution:

Step 1: Understand sampling purpose
Sampling reduces performance impact and storage needs by tracing a subset of requests.
Step 2: Rule out incorrect reasons
Tracing every request is possible but costly; Cloud Trace does not limit by user or fixed count.
Final Answer:
Sampling reduces overhead and storage while capturing latency -> Option D
Quick Check:
Sampling reason = B [OK]

Quick Trick: Sampling balances data detail with cost and performance [OK]

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Why does Cloud Trace use sampling instead of tracing every request in high-traffic applications?