Log data is not displaying alongside metric data
You are not seeing any log data with your metric data. Why is this happening?
1. What's going on
|What's going on||Details|
|collectd is required for system metrics, and the Splunk forwarder is required for log collection and forwarding||While Splunk App for Infrastructure (SAI) uses collectd for system metrics, it requires the Splunk forwarder for log collection and forwarding. As with collectd, the forwarder is installed as part of the installation script. The default configuration sends log data over TCP to the receiving instance where SAI is installed. If you are having trouble getting data in, the following Investigation steps will help you identify the Possible root causes of this issue.|
If you are deploying data collection on the SAI instance, you will have both a
splunk directory and a
splunkforwarder directory. Splunkforwarder is the directory that applies to the following sections. For all other systems, you will only have a
2. Investigation steps
|Investigate the issue using these steps|
|1. From the terminal for the host in question, check the running status of |
|2. Check the |
3. Possible causes
|Possible cause||Reasons for the issue, or suggestions to resolve the issue|
|Splunk is not running||Try starting |
|Hostnames for metrics and logs are not the same||This happens because the the FQDN lookup can return a different value for the log forwarder and the metrics agent. The app currently uses |
|Option 1: Turn off FQDN lookup on collectd. Using this method for turning off FQDN lookup on the collectd agent, turn FQDN off and restart collectd. This typically resolves the issue.|
|Option 2: Update |
1. Copy the entity title from the Splunk Insight for Infrastructure instance from the entity lister page.
2. Go to
5. Restart the forwarder
If you have deployed the data collection tools on the same server where the SAI instance is running,
|The forwarder is blocked by your firewall||The Splunk forwarder sends log data to the Splunk Instance using port 9997 on the receiving Insight instance. Make sure your network allows for the forwarder to send to this location and port.
Data collection is not working and entities are not displaying
Collectd DF Plugin not generating output on Linux with XFS file system
This documentation applies to the following versions of Splunk® App for Infrastructure (Legacy): 1.3.0, 1.3.1, 1.4.0, 1.4.1, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.1.0, 2.1.1 Cloud only, 2.2.0 Cloud only, 2.2.1, 2.2.3 Cloud only, 2.2.4, 2.2.5
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