Splunk® Enterprise

Search Reference

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Command types

There are four broad types for all of the search commands: distributable streaming, centralized streaming, transforming, generating.

The following tables list the commands that fit into each of these types. For detailed explanations about each of the types, see Types of commands in the Search Manual.

Streaming commands

A streaming command operates on each event as the event is returned by a search.

  • A distributable streaming command are run on the indexer or the search head, depending on where in the search the command is invoked. Distributable streaming commands can be applied to subsets of indexed data in a parallel manner.
  • A centralized streaming command applies a transformation to each event returned by a search. Unlike distributable streaming commands, centralized streaming commands only works on the search head.

Command Notes
addinfo Distributable streaming
autoregress Centralized streaming.
bin Streaming if specified with the span argument.
cluster Streaming in some modes.
convert Distributable streaming.
dedup Streaming in some modes.
eval Distributable streaming.
extract Distributable streaming.
fieldformat Distributable streaming.
fields Distributable streaming.
fillnull Streaming with specific arguments.
head Centralized streaming.
highlight Distributable streaming.
iconify Distributable streaming.
iplocation Distributable streaming.
join Centralized streaming, as long as there is a defined set of fields to join to.
lookup Distributable streaming when specified with local=false
makemv Distributable streaming.
multikv Distributable streaming.
mvexpand Distributable streaming.
nomv Distributable streaming.
rangemap Distributable streaming.
regex Distributable streaming.
reltime Distributable streaming.
rename Distributable streaming.
replace Distributed streaming.
rex Distributable streaming.
search Distributable streaming if used further down the search pipeline. Generating when the first command in the search.
spath Distributable streaming.
strcat Distributable streaming.
streamstats Centralized streaming.
tags Distributable streaming.
transaction Centralized streaming.
typer Distributable streaming.
where Distributable streaming.
untable Distributable streaming.
xmlkv Distributable streaming.
xpath Distributable streaming.
xyseries Distributable streaming if the argument grouped=false>, otherwise Transforming

Generating commands

A generating command generates events or reports from one or more indexes without transforming the events.

Command Notes
crawl Report-generating.
datamodel Report-generating
dbinspect Report-generating.
eventcount Report-generating.
inputcsv Event-generating (centralized).
Inputlookup Event-generating (centralized) when append=false, which is the default.
loadjob Event-generating (centralized).
metadata Report-generating. Although metadata fetches data from all peers, any command run after it runs only on the search head.
multisearch Event-generating.
pivot Report-generating.
search Event-generating (distributable) when the first command in the search, which is the default. Distributable streaming if used as a subsearch.
searchtxn Event-generating.
set Event-generating.
tstats Report-generating.

Transforming commands

A transforming command orders the results into a data table. The command "transforms" the specified cell values for each event into numerical values that Splunk can use for statistical purposes.

Note: In earlier versions of Splunk Enterprise, transforming commands were referred to as "reporting commands."

Command Notes
addtotals Transforming when used to calculate column totals (not row totals).
xyseries Transforming if grouped=true, otherwise distributable streaming.
Search commands by category
Splunk SPL for SQL users

This documentation applies to the following versions of Splunk® Enterprise: 6.2.0, 6.2.1, 6.2.2, 6.2.3, 6.2.4, 6.2.5, 6.2.6, 6.2.7, 6.2.8, 6.2.9, 6.2.10, 6.2.11, 6.2.12


Woodcock - The autoregress command is a streaming command. I have added it to that list.

Lstewart splunk, Splunker
April 1, 2016

This page needs "autoregress" somewhere (but where?)

March 31, 2016

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