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IBM APM v8.1 - APM dashboard Aggregate Transaction Topology is showing Browser component with unexpected alerts

Question & Answer


Question

When looking at the APM GUI dashboard, the 'Aggregate Transaction Topology' widget  is showing, for the 'Browser' component some unexpected alerts and threshold violations; Why?

Cause

Possible cause is that your defined application has several components/resources in use, like the *:HU agent, AND *:LZ agent.

Answer

Example of a application monitored by HTTP server agent (HU) and Response Time agent (T5)

1)

The Application : ‘ns181….:443’ was defined with 2 components (one being the Linux OS agent)

As a consequence, the ‘Browser’ component in ‘Aggregate Transaction topology’ widget in APM dashboard is showing alerts/threshold coming from Linux OS agent.

image 6980

image 6981

2)

I changed the application settings as below (so I left only one Application component, like HU:<host>_httpd:HUS) :

image 6982

Results: no more Linux OS agent’s threshold coming from :LZ source:

image 6983

image 6984

And No alert/threshold for Browser component from LZ agent source.

3)

I added again the :LZ agent as source of the application (just to show the issue occurring again).image 6985

Events view:

image 6986

Aggregate Transaction Topology view:

image 6987

[{"Line of Business":{"code":"LOB45","label":"Automation"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSVJUL","label":"IBM Application Performance Management"},"ARM Category":[{"code":"a8m500000008axBAAQ","label":"APM Agents"}],"ARM Case Number":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Version(s)"}]

Product Synonym

apm;

Document Information

Modified date:
27 July 2021

UID

ibm16361671

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