The spectrograph image that you generate by using the ClusterSGPicServe action is stored in a cache, so HPE IDOL Server can produce it more quickly when it is requested again.
Set ForceRefresh to True to generate the spectrograph image from scratch when you send a ClusterSGPicServe action. This ensures that the image is current.
Set ForceRefresh to False to retrieve the spectrograph image from the cache after it has been generated the first time.
You can retrieve the spectrograph from the cache only if you request it in the same format (width and height) and for the same date and time.
| Actions: | ClusterSGPicServe |
| Type: | Boolean |
| Default: | False |
| Example: | ForceRefresh=True
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