Query metrics
Use the database instance navigator to review performance, resource consumption, active sessions, workload, query metrics, and system metrics for a selected database instance.
The Query Metrics tab provides time-series charts for query-specific performance trends, such as execution count, latency, and resource consumption.
Use this tab to correlate spikes in latency with query volume or resource usage.
Charts on the Query Metrics tab include:
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Executions (count): Total volume of queries executed over time. Spikes can indicate sudden increases in application demand or potential query loops.
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Total duration (sec): Cumulative time the database instance spent executing queries. Use this chart to identify periods of sustained high database load.
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Average duration (sec): Average latency of query executions. Use this chart to pinpoint when query performance began to degrade.
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Total CPU Time (sec): Cumulative CPU resources consumed by query execution.
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Active sessions (count): Stacked timeline of active database sessions, color-coded by wait states such as CPU, lock contention, or I/O.
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Total rows returned (count): Volume of data rows returned by executed queries. A sudden spike can explain elevated network latency or memory pressure on the database host.