March 2018
Beginner to intermediate
576 pages
13h 29m
English
Content preview from Implementing Splunk 7, Third Edition - Third Edition
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Using time in lookups
A temporal lookup is used to enrich events based on when the event happened. To accomplish this, we specify the beginning of a time range in the lookup source and then specify a format for this time in our lookup configuration. Using this mechanism, lookup values can change over time, even retroactively.
Here is a very simple example to attach a version field based on time. Say we have the following CSV file:
sourcetype,version,time impl_splunk_gen,1.0,2012-09-19 02:56:30 UTC impl_splunk_gen,1.1,2012-09-22 12:01:45 UTC impl_splunk_gen,1.2,2012-09-23 18:12:12 UTC
We then use the lookup configuration in transforms.conf to specify which field in our lookup will be tested against the time in each event and what the format ...
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