Retentive

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Retentive

Boolean This property controls whether a Discrete Measurement Source's value of type Operator must be kept at run time while a Domain is loaded. The Discrete Measurement Source's value is synced among servers in standby. This behavior is equivalent to Internal Tag's Retentive property. Default value of this property is False.

 

NOTES

As with Internal Tag's Retentive property, value's timestamp and quality ARE NOT retentive.

In 32-bit systems (x86), this implementation is expected to have no impact on E3Run's memory usage when enabled. In 64-bit systems (x64), on the other hand, there may have a slight increase in memory consumption, even if this property is disabled. This memory increase is as high as the number of Discrete Measurement Sources in an application. Naturally, enabling this property always implies in increasing memory usage.

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