Question / Problem:
What is the usage of table HistoryOfFieldOldest from DATA database in KAFC?
Answer / Solution:
HistoryOfFieldOldest shows date time from the Execution Plan “Delete Fields Older Than:” in Data Processing.The date time in the field doesn’t mean the oldest Document Index field from HistoryOfField table, it is just the data from the current time.
The data is populated and updated from HistoryOfFieldOldest when "Delete Fields Older Than:" is executed.