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View exemplars
Exemplars provide a link between the metrics and the traces themselves.
An exemplar is a specific trace representative of measurement taken in a given time interval. While metrics excel at giving you an aggregated view of your system, traces give you a fine-grained view of a single request; exemplars are a way to link the two.
Use exemplars to help isolate problems within your data distribution by pinpointing query traces exhibiting high latency within a time interval. After you localize the latency problem to a few exemplar traces, you can combine it with additional system based information or location properties to perform a root cause analysis faster, leading to quick resolutions to performance issues.
For more information, refer to Introduction to exemplars.
Exemplars in Traces Drilldown
In Traces Drilldown, exemplar data is represented by a small diamond next to the bar graphs. You can view the exemplar information by hovering the cursor over the small diamond.
Select View trace to open a slide-out trace panel.