Splunk Search

Dynamic defaults for index-time field extraction?

welchatquietple
Engager

I've a couple of index-time field extractions. In events that are missing one of these fields, is there a way to assign the most recently extracted value for that field from this source/sourcetype? The same behavior I see with timestamp inference, I'd like to be able to have for a non-default field extraction.

Tags (2)
0 Karma

woodcock
Esteemed Legend

Not really at index time but you can at search time like this:

| streamstats MyFieldAlways=last(MyField) | <your normal search stuff but use "MyFieldAlways" instead of "MyField">
0 Karma
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