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- Name
- The name of the History Store.
- Enabled
- Checkbox to enable/disable the History Store. Not selected by default.
- Type
- The type of History Store.
- Edge Node Tag Capacity
- The maximum number of tag change events to store (per edge node) before dropping the oldest currently stored tag valuechange event.
- A tag change event is triggered by either a change in value or quality and results in the tag's Qualified Value (which has three attributes of value, quality and timestamp) being stored.
- The Edge Node Tag Capacity is independent, and in addition to, the Device Tag Capacity
- Device Tag Capacity
- The maximum number of tag change events to store (per device) before dropping the oldest currently stored tag valuechange event.
- A tag change event is triggered by either a change in value or quality and results in the tag's Qualified Value (which has three attributes of value, quality and timestamp) being stored.
- Flush Quantity
- The maximum number of tags to publish in a single message upon reestablishing communication.
- Flush Period
- The period to wait in milliseconds between publishes when flushing messages upon reestablishing communication.
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{"serverDuration": 195, "requestCorrelationId": "a76d45eee163cad4"}