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Foreground: this report runs quickly in the foreground. It fails with a timeout if the processing takes more than 5 minutes.
Background: this report runs slower in a separate process task. It is appropriate if the foreground report fails due to a timeout. In general we recommend to use this report only when you work on large classifiers and dataset files, which can cause the report to run over 5 minutesclassifiers were changed greatly or a lot of articles were added. So if you have huge changes, pick a background report.
Review the changes carefully and click the Approve and save button if you want to keep the changes.
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