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.