General Settings
The General Settings tab in Platform Settings provides administrators with control over fundamental system-wide defaults that impact how Nexus operates. These settings define limits on data streaming and deployment behavior across the platform.
Access to General Settings is restricted to users with the Administrator Role, ensuring that only authorized users can configure global parameters.
Key Configurations
Maximum Number of Real-Time Measurement Streams
This setting defines the maximum number of concurrent real-time data streams that can be sent to the Time Series Explorer.
By default, this value is set to 3.
Increasing this limit allows more measurement streams to be visualized simultaneously but may increase system resource usage.
Lowering the number can help optimize performance for smaller-scale environments.
Default Deployment Method
This setting controls how asset hierarchies, modules and applications are deployed to devices by default. Nexus supports two deployment strategies:
Direct Deployment (Default)
Nexus communicates directly with the IoT Hub endpoint to perform deployments.
The full device configuration is sent as a single, complete manifest directly to the device. The deployment is applied immediately, but there are no subsequent checks for configuration drift (if the deployment is altered).
This is the fastest deployment method, as there is no intermediate orchestration layer.
Best suited for installations with fewer than 100 devices, where speed and simplicity are prioritized.
Managed Deployment
Nexus creates a deployment manifest and uses iothub automatic deployments that are sent to the IoT Hub endpoint.
Deployments are sent to the device as one or more layered configurations. This means that the deployment is set as a desired state, and the Management Endpoint (Iot Hub) will continuously ensure that the desired configuration remains intact.
The IoT Hub is responsible for performing the deployment, but it may not occur immediatly.
This approach is slower than Direct Deployment, but it provides better scalability.
Recommended for installations with more than 100 devices, or where centralized management and rules enforcement are critical.
You can read more about Automatic deployments in Microsofts documentation.
Users can still override the deployment method of each device in the settings of the device configuration.
When to Adjust Settings
Increase Real-Time Streams if users need to monitor multiple measurement channels simultaneously in Time Series Explorer.
Switch the default Deployment method for environments that has grown to hundreds of devices and where reliability, auditing, and orchestration of updates are more critical than speed.
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