Help Center/ GaussDB/ Developer Guide(Centralized_2.x)/ Schemas/ WDR Snapshot Schema/ WDRs/ Instance Efficiency Percentages

Updated on 2023-10-23 GMT+08:00

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Instance Efficiency Percentages

The following table lists metrics in the Instance Efficiency Percentages report.

**Table 1** Metrics in the Instance Efficiency Percentages report
Metric	Description
Buffer Hit %	Hit ratio of the buffer pool.
Effective CPU %	Ratio of the CPU time to the DB time.
WalWrite NoWait %	Ratio of the number of events that access the WAL buffer to the total number of wait events.
Soft Parse %	Ratio of the number of soft parsing times to the total number of parsing times.
Non-Parse CPU %	Ratio of the non-parse time to the total execution time.

Parent topic: WDRs

Previous topic: Load Profile

Next topic: Top 10 Events by Total Wait Time

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