Today's events are only visible under the Last 24 hours filter
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Issue
- On various tabs, such as on the Known Individuals' overview tab, the Individual Events statistics chart does not display the events of the current day if the filter is set to Last 7 days or Last 30 days, Last 90 days, or a custom range.
- Why does that happen?
Resolution
-
This is the expected behavior - today's events will be visible only using the Last 24 hours filter.
- The other filters show the aggregated data of the chosen time period:
Last 30 days - last 24 hours
So make sure to keep that in mind when checking the data.
-
The main reason why we do this is for performance so we can cache the data better.
Performance is a huge priority for us, especially because we need to deal with a considerable amount of data.
- Liferay keeps sending the data to Analytics Cloud, which is then stored in a database. Querying each of the tables and aggregating them each time when a user views a certain filter would cause a higher load, which would lead to huge load times and performance issues.
- So the data is aggregated every 24 hours for the other filters
- For the Last 24 hours filter, it should be up-to-date (when the data is processed, which may take some time depending on the queue and the load).
- Looking at the behavior in the long-term, missing one day of data from a larger period of time should have little impact on the business decisions since it happens quite rarely that a considerable amount of data is generated in the last 24 hours that you need to see with the aggregated views no matter what.
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