Splunk Search

Lookup/join from another index

eddy_liao
Engager

Hi there

i am looking to join information from 2 separate indexes but due to performance constraints i am not able to use join
As the 2 index are relatively big.

Quick example:
index_1
- user_id : ABC123
- COMPUTER : PC1234

index_2
- PC : PC1234
- PC_NAME : WORKSTATION_ABC

Expected end result
- user_id : ABC123
- COMPUTER : PC1234
- PC_NAME : WORKSTATION_ABC

Normally i would be doing a join, but i heard i should be heading towards using splunk stew
As a new splunk user, my mind is so set on normal sql that i cant wrap my head around it

Any suggestions on how to solve this ?
THanks!

Tags (2)
0 Karma

richgalloway
SplunkTrust
SplunkTrust

Use stats to join the two data sets.

index=index_1 OR index=index_2 
| eval COMPUTER=coalesce(COMPUTER, PC) 
| stats values(*) as * by COMPUTER 
| table user_id COMPUTER PC_NAME
---
If this reply helps you, Karma would be appreciated.
Got questions? Get answers!

Join the Splunk Community Slack to learn, troubleshoot, and make connections with fellow Splunk practitioners in real time!

Meet up IRL or virtually!

Join Splunk User Groups to connect and learn in-person by region or remotely by topic or industry.

Get Updates on the Splunk Community!

Make Your Machine Data AI-Ready in Splunk

Every team is getting ready for AI agents.   Thursday, November 12, 2026  |  11AM  PST / 2PM EST   ...

Splunk Asynchronous Forwarding Explained

Splunk asynchronous forwarding is often misunderstood as simply setting autoLBVolume. That is not quite right. ...

How to Monitor AI Agents with Splunk Agent Observability

Let’s say I’m running a travel planning AI app in production. A user asks for three concise hotel options in ...