Oracle SNMP Support Reference Guide

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Using a Sufficient Sample Size to Calculate Tuning Ratios

When MIB variables are used for performance tuning, make sure that you poll enough instances of a variable to measure performance with some certainty. Polling 1,000 separate statistics is considered acceptable for any database instance performance ratio mentioned in this chapter. When designing graphic presentations for these ratios, consider alerting the user when less than 1,000 separate instances of a variable have been used to calculate a tuning ratio.


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