Shulou(Shulou.com)06/01 Report--

The complete error message is as follows:

There is no data for the selected MySQL instance, time range or search query.

QAN API error: "qh.Profile: No query classes for selected instance and time range. Please check whether your MySQL settings match the recommended."

Check the / var/log/qan-api.log file in docker container for more information.

Solution:

PMM uses slow log as the query source, and slow logs need to be enabled:

Slow_query_log=ON

Long_query_time=0

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