Chapter 11. Monitoring Data Grid Logs

Set logging categories to different message levels to monitor, debug, and troubleshoot Data Grid clusters.

11.1. Configuring Data Grid Logging

Procedure

Specify logging configuration with spec.logging in your Infinispan CR and then apply the changes.
```
spec:
  ...
  logging: 1
    categories: 2
      org.infinispan: debug 3
      org.jgroups: debug
```
1
configures Data Grid logging.
2
adds logging categories.
3
names logging categories and levels.
Note
The root logging category is org.infinispan and is INFO by default.
Retrieve logs from Data Grid nodes as required.
```
$ oc logs -f $POD_NAME
```

11.2. Log Levels

Log levels indicate the nature and severity of messages.

Log level	Description
trace	Provides detailed information about running state of applications. This is the most verbose log level.
debug	Indicates the progress of individual requests or activities.
info	Indicates overall progress of applications, including lifecycle events.
warn	Indicates circumstances that can lead to error or degrade performance.
error	Indicates error conditions that might prevent operations or activities from being successful but do not prevent applications from running.

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