DMAElement’s parameter LastChangeUTC received via SOAP : param change or config change or

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Do you know if DMAElement’s parameter LastChangeUTC received via SOAP reflects the last time when any parameter was changed or only the time when the element’s config was changed, or something else?

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 23rd January 2025

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This depends on the web method you’re using:

  • Using one of the “GetElementsForXXXCached” methods returns only the elements which have changed since the specified unix timestamp. This is interesting when using polling to keep an updated list of elements. LastChangeUTC then contains the timestamp of the last polling time when the last change (different name, severity, timeout) was detected.
  • For all other methods, LastChangeUTC contains the timestamp of when this information was received from the DMA. So this property is only interesting when using it in combination with one of the “cached” web methods.
Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 23rd January 2025