Getting Data In

forwarder not compressing despite being told to do so

summitcove
New Member

Hi There. I have 2 matching forwarders pointed to an indexer. One compresses, one doesn't. Any ideas why?

Machine that works

cat /opt/splunk/etc/system/local/outputs.conf 
[tcpout]
defaultGroup = my_indexers
indexAndForward = true

[tcpout:my_indexers]
compressed = true
server = splunklog:29000

[tcpout-server://splunklog:29000]
compressed = true

Machine that doesn't work

cat /opt/splunk/etc/system/local/outputs.conf 
[tcpout]
defaultGroup = my_indexers
indexAndForward = true

[tcpout:my_indexers]
compressed = true
server = splunklog:29001

[tcpout-server://splunklog:29001]
compressed = true

Indexer (machine that receives)

cat /opt/splunk/etc/system/local/inputs.conf 
[default]
host = splunk.***********.com

[splunktcp://29000]
compressed = true
enableS2SHeartbeat = true

[splunktcp://29001]
compressed = true
enableS2SHeartbeat = true

Log that proves it (10...101 is the machine that doesn't send compressed)

tail /opt/splunk/var/logs/splunk/splunkd.log
10-04-2010 19:55:16.756 ERROR TcpInputProc - Received unrecognized signature --splunk-cooked-mode-v2--! from hostname=10.***.****.101, ip=10.***.****.101, port=41119
10-04-2010 19:55:16.756 INFO  TcpInputProc - Hostname=10.***.****.101 closed connection
10-04-2010 19:55:47.771 INFO  TcpInputProc - Connection in cooked mode from 10.***.****.101
10-04-2010 19:56:18.756 ERROR PipelineDataInput - Mismatch in configuration between forwarder and indexer. Expecting compressed data, but forwarder configured to send without compression
10-04-2010 19:56:18.756 ERROR TcpInputProc - Received unrecognized signature --splunk-cooked-mode-v2--! from hostname=10.***.****.101, ip=10.***.****.101, port=41120
10-04-2010 19:56:18.756 INFO  TcpInputProc - Hostname=10.***.****.101 closed connection
Tags (1)
0 Karma

rodman
New Member

I am also seeing the same behavior. My compression settings are also set the same as yours. Were you able to find an answer?

0 Karma

davidbrai
New Member

I'm having the same problem. Did you manage to fix it?

0 Karma
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!

Splunk Asynchronous Forwarding Explained

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

55 Days to Go: Secure Your Seat at Splunk University in Denver

Your .conf26 Experience Starts Before Opening Keynote  If Denver is known for its mile-high elevation, Splunk ...

(re)Introducing the Splunk Community Champions + 2026 – 2027 Splunk MVPs ...

This program exists as a channel to empower and recognize Splunk advocates and help supercharge initiatives to ...