Historical data can arrive after a data feed job finishes processing for a given hour or day, such as through timestamped hits or data sources. Late arriving hits is a backend customization setting provided by Adobe to help include this data in data feeds.
When a data feed normally processes data, it only looks at data within its reporting window (typically the most recent hour or day). If data arrives after a feed finished processing that reporting window, that data is never included in any data feed.
With late arriving hits enabled, the processing method changes to include this data. Every time a data feed processes data, it looks at any late hits that have arrived and batches them in the next data feed file sent to your FTP site.
Late arriving hits can be manually enabled by Adobe on individual data feeds. Before doing so, consider the following:
If you would like to enable late arriving hits for an existing recurring data feed, have a supported user contact Customer Care and include the following: