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Chapter 5. Troubleshooting the Distributed Tracing Platform

You can diagnose and fix issues in TempoStack or TempoMonolithic instances by using various troubleshooting methods.

5.1. Collecting diagnostic data from the command line

When submitting a support case, it is helpful to include diagnostic information about your cluster to Red Hat Support. You can use the oc adm must-gather tool to gather diagnostic data for resources of various types, such as TempoStack or TempoMonolithic, and the created resources like Deployment, Pod, or ConfigMap. The oc adm must-gather tool creates a new pod that collects this data.

Procedure

  • From the directory where you want to save the collected data, run the oc adm must-gather command to collect the data:

    Copy to Clipboard Toggle word wrap 
    $ oc adm must-gather --image=ghcr.io/grafana/tempo-operator/must-gather -- \
/usr/bin/must-gather --operator-namespace <operator_namespace>
    1
    1
    The default namespace where the Operator is installed is openshift-tempo-operator.

Verification

  • Verify that the new directory is created and contains the collected data.
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