ClickHouse/docs/en/system_tables/system.asynchronous_metrics.md
2018-04-23 09:20:21 +03:00

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# system.asynchronous_metrics
Contain metrics used for profiling and monitoring.
They usually reflect the number of events currently in the system, or the total resources consumed by the system.
Example: The number of SELECT queries currently running; the amount of memory in use.`system.asynchronous_metrics`and`system.metrics` differ in their sets of metrics and how they are calculated.