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3) Incremental harvest task. This harvest task should be scheduled every 10 minutes. This By default, this task harvests the last 7 days in the archive, but it is possible to configure a different period, e.g. <harvesterTimeSpan unit="day" multiplier="10"/>. Normally new data should be harvested automatically by the Immediate harvester. However when the immediate harvest was not available available for any reason then the Incremental harvester will make sure that the data sets will be harvested.
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