Splunk Groupby: Examples with Stats
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Group-by in Splunk is done with the stats command.
General template:
search criteria | extract fields if necessary | stats or timechart
Group by count
Example: count occurrences of each field my_field in the query output:
source=logs "xxx"
| rex "my\-field: (?<my_field>[a-z]) "
| stats count by my_field
| sort -count
Group by count, by time bucket
Use the timechart command instead of
source=logs "xxx"
| rex "my\-field: (?<my_field>[a-z]) "
| timechart span=30m count by my_field
Group by count distinct
How many unique values for my_field for each 1-minute bucket?
source=logs "xxx"
| rex "my\-field: (?<my_field>[a-z]) "
| timechart span=1m distinct_count(my_field)
Group by sum
Suppose we have logs like these:
... customer="john doe" order_value=20 ...
... customer="mary white" order_value=25 ...
... customer="john doe" order_value=100 ...
Sum the total order value for each different customer:
source=order_logs
| rex " customer=\"(?<customer>[^\"]+)\" "
| rex " order_value=(?<order_value>[0-9]+) "
| stats sum(order_value) as sum_order_value by customer_id
| sort -sum_order_value
Result:
|---customer----|---sum_order_value--|
| john doe | 120 |
| mary white | 25 |