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SPM 7 – Tech Support Training

SPM 7 – Tech Support Training . Dashboards - How often are they updated ? July, 2013. Dashboards - Updates. What does Last Updated mean?. It’s the last date/time that the gadget’s data was retrieved from the data providers

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SPM 7 – Tech Support Training

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  1. SPM 7 – Tech Support Training Dashboards - How often are theyupdated? July, 2013

  2. Dashboards - Updates

  3. What does Last Updated mean? • It’s the last date/time that the gadget’s data was retrieved from the data providers • Each time a gadget is displayed, either during a slideshow or when a user selects the dashboard that contains the gadget, the data on the gadget will be displayed from the cache until the data has ‘expired’ • Data expiration occurs when the current date/time is > ‘Last Updated’ date/time + refresh interval • Refresh interval is based on whatever ‘Viewing Period’ has been chosen for the gadget.

  4. What determines the refresh interval? • Based on gadget Viewing Period • Stored in Time.Aggregation table in ApplicationModules db • Viewing Period Refresh Rates:

  5. More on Refresh Interval • In the Time.Aggregation table in the ApplicationModules database – they can be edited:

  6. An example • A gadget has a viewing period of ‘Last 2 Weeks’ • This is a weekly viewing period – will be updated every six hours • If gadget is displayed on screen at 7/11/2013 11:15 AM, the data will not be refreshed and ‘Last Updated’ time will show 7/11/2013 5:29 AM • If gadget remains on screen, shortly after 11:29:01 AM on 7/11/2013 • the refresh indicator will display on bottom left of gadget • Request will be made to the data providers • When data is returned, gadget will be updated with new data • Last Updated time will be changed to the date/time that the data was received from the provider. • If gadget is displayed on screen at 7/11/2013 11:45 AM • cached data will be displayed so user has something to look at. • Since 24 hours have passed, refresh indicator will be displayed and a request will be made to the data providers for new data

  7. Additional Information • Gadget data will not get updated again unless the gadget is displayed on screen’ • If the dashboard containing our example gadget is not viewed for a month • When it is finally viewed, the ‘Last Updated’ date will be ‘7/10/2013 11:20 AM’ with the associated data from that date/time • Seconds later the refreshed data will be returned by the data providers • Refresh rate of gadget data is not tied to the logging interval • If new logged values have been recorded since the last gadget update, they will be included when the data is refreshed • Logging rate does not affect how often gadgets are updated • Data expiration was implemented to avoid overwhelming data providers with too many requests for data. • Given this implementation, the gadgets on a dashboard will have different refresh intervals

  8. Scaling • Scaling is done automatically by the graphing tool based on the min/max values of plotted data. • It could change as new data comes in

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