Splunk Search

How to sort based on column values?

mldavis195
Explorer

I have some data that's coming in as follows:

 

"data": { "a": 100, "b": 200 }
"data": { "a": 50, "c": 75 }
...

 

 

 

I want to aggregate the values so I end up with a table of the sum of values by key:

 

 

<search> | chart sum(data.*) as *

 

 

 This gives me the table:

a b c
150 200 75

 

Now I want to sort the columns by value so that it is in the order b, a, c. It looks like the "sort" keyword sorts by rows and not columns. How would I do this?

Note this is an extremely simplified example and the actual data will have tons of keys which are arbitrary uuids and there will be a lot of rows to sum. I need to aggregate and then sort by value to have the highest on the left-hand-side. I would also like to only keep the first n columns. It looks like "head" also works by rows and not columns.

Any help would be greatly appreciated. Thanks.

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1 Solution

rymundo_splunk
Splunk Employee
Splunk Employee

This also worked for me (I changed the field names slightly because I didn't want to deal with json 🙂 but the same idea applies ) 

 

|makeresults | eval data_a=100, data_b=200
|append [|makeresults | eval data_a=50, data_c=75]
| chart sum(data_*) as *
| eval blah="blah"
| untable blah key value
| sort 0 -value
| head 10
| transpose 0 header_field=key
| search column=value
| fields - blah column

View solution in original post

rymundo_splunk
Splunk Employee
Splunk Employee

This also worked for me (I changed the field names slightly because I didn't want to deal with json 🙂 but the same idea applies ) 

 

|makeresults | eval data_a=100, data_b=200
|append [|makeresults | eval data_a=50, data_c=75]
| chart sum(data_*) as *
| eval blah="blah"
| untable blah key value
| sort 0 -value
| head 10
| transpose 0 header_field=key
| search column=value
| fields - blah column

mldavis195
Explorer

This worked like a charm. Thanks!

0 Karma

somesoni2
Revered Legend

See if something like this would work for you (everything before the chart command is to generate sample data, change it with your search)

| makeresults | eval temp="{\"data\": { \"a\": 100, \"b\": 200 }}#{\"data\": { \"a\": 50, \"c\": 75 }}" | makemv delim="#" temp | mvexpand temp | rename temp as _raw | extract 
| chart sum(data.*) as * 
| eval temp=1 | untable temp key value | sort 0 -value | head 10 | streamstats count | eval key=substr("00000000000".tostring(count),-3)."-".key | xyseries temp key value

 

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