Dedup splunk

I know that the "dedup" command returns the most recent values in time. However, dedup splunk, I'm currently in a situation where I want to use dedup to only keep the oldest events dedup splunk my data example below. What I specifically have are a bunch of client requests to a web server.

The following are examples for using the SPL2 dedup command. For search results that have the same source value, keep the first 3 that occur and remove all subsequent results. Use the order by clause in the from command to sort the events by time in ascending order, the default order. Sorting the events ensures that the oldest events are listed first. Remove duplicate results with the same source value. Only the oldest events are retained. For search results that have the same combination of source AND host values, keep the first 2 that occur and remove all subsequent results.

Dedup splunk

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Typical examples of a dedup produce a single event for each host or a pair of events for each sourcetype. Dedup has a pair of modes. The first thing to note is the dedup command returns events, which contrasts with stats commands which return counts about the data. Outputting events is useful when you want to see the results of several fields or the raw data, but only a limited number for each specified field. When run as a historic search e. Result: events.

The following are examples for using the SPL2 dedup command. For search results that have the same source value, keep the first 3 that occur and remove all subsequent results. Use the order by clause in the from command to sort the events by time in ascending order, the default order. Sorting the events ensures that the oldest events are listed first. Remove duplicate results with the same source value. Only the oldest events are retained. For search results that have the same combination of source AND host values, keep the first 2 that occur and remove all subsequent results. Remove only consecutive duplicate events. Keep non-consecutive duplicate events.

Dedup splunk

Removes the events that contain an identical combination of values for the fields that you specify. With the dedup command, you can specify the number of duplicate events to keep for each value of a single field, or for each combination of values among several fields. Events returned by dedup are based on search order. For historical searches , the most recent events are searched first. For real-time searches , the first events that are received are searched, which are not necessarily the most recent events. You can specify the number of events with duplicate values, or value combinations, to keep. You can sort the fields, which determines which event is retained.

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Closing this box indicates that you accept our Cookie Policy. They can either be sorted before numerical values or before or after alphabetical values. SURGe Access timely security research and guidance. Tags 1. Note: It may be better to use other SPL commands to meet these requirements, and often dedup works with additional SPL commands to create combinations. View all products. Splunk Cloud Platform Cloud-powered insights for petabyte-scale data analytics across the hybrid cloud. Statistical and Charting Functions. SPL2 Search Reference. Application Modernization. There are several options available for dedup that affect how it operates. Splunk Cloud Platform Cloud-powered insights for petabyte-scale data analytics across the hybrid cloud.

The SPL2 dedup command removes the events that contain an identical combination of values for the fields that you specify. With the SPL2 dedup command, you can specify the number of duplicate events to keep for each value of a single field, or for each combination of values among several fields.

Application Modernization. Example of Splunk Dedup command execution. Mar 23 to Apr In Lexicographical order, the numbers are sorted prior to the letters, and the former are stored based on the first digit. Search Command Quick Reference. Remove only consecutive duplicate events Remove only consecutive duplicate events. Custom eval functions Custom command functions Custom data types Documenting custom functions. Alternative options in Splunk Dedup, allow the users to retain events with the removal of duplicate fields or retain the events where the specified fields do not exist in the events. Sort events in ascending order before removing duplicate values Use the order by clause in the from command to sort the events by time in ascending order, the default order. Dataset functions. The first thing to note is the dedup command returns events, which contrasts with stats commands which return counts about the data. Sort events after removing duplicate values 5. Back To Top.