Triage a ServiceNow instance
Perform a triage on a ServiceNow instance to gather point-in-time telemetry data for troubleshooting using Instance Observer. The triage feature gives a summary of ongoing operations at the time of its execution.
시작하기 전에
Role required: admin
프로시저
- Navigate to Instance Observer > Triage.
- From the Instance Observer Dashboard page, select the Triage tab.
- Select the Instance you want to triage.
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If the instance is not listed, select the Update instance default settings link.
In the Update instance management settings page, select
that works as toggle on and off within the Instance Telemetry pages.
Instrumentation or telemetry data is available for production and sub-production instances. Caution must be exercised in interpreting the content of the sub-production data with the awareness of any active customizations or other development activities that might be happening.
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Select the Node Type to triage the instance.
The production nodes are categorized as All, Generic, Worker, and UI nodes. You must select at least one node.
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Select Triage.
The triage feature gives a summary of ongoing operations at the time of its execution. The triaged data displays the Triaged Date and Node Status, which is primary always.
The triaged data appears in the form of widgets in 6 sections such as Transactions, Jobs, Servlets, Schedulers, Semaphore Sets, Update Sets. The Node type appears in each of the sections as Type, except Update Sets as this operates at the instance level and not at the node level.
Most of the charts display data broken down by age. Whereas, Schedulers chart breaks down the data by worker nodes.
To know more about each of the sections, see Triaged instance data.
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Select View Details in the Transactions section that takes you to the Transactions page to view its exclusive details.
The Triaged Date and Node Status information is available here as well. The Type column gives you the node type information in the transactions section.
You can filter (
) the columns with conditions to view transactions that you want and sort (
) each of the columns in ascending or descending order.
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Select the Transaction number for a node to view the details.
주:You will be able to view the details only when the transaction is complete, and it may take awhile.
- Select Back to Triage to navigate back to the Triage main page.
- Select View Details in each section to view the respective details of Jobs, Servlets, Schedulers, and Semaphore Sets.
- Select History to view the triage history in a slider view and click the Created on link that takes you to Triage History page.
- Select Download Triage File to view all the sections of triaged details, downloaded in an excel format.