wu-sheng commented on issue #12249:
URL: https://github.com/apache/skywalking/issues/12249#issuecomment-2128505558
For example, when we apply for MQE(`service_percentile{p='50,75'} -
avg(service_percentile{p='50,75'})`), the execution tracing should look like
```
- MQE expression, service_percentile{p='50,75'} -
avg(service_percentile{p='50,75'})
- duration: 100 ns
- queries
- MQE syntax analysis
- duration: 10ns
- error:
- readMetricsValues(service_percentile)
- duration:
- server-side traces....
- /* Multiple metrics queries if needed. */
- /* We need to consider to flag concurrency queries if MQE supported
to run in that mode. */
- In-memory calculation
- error:
- duration:
```
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