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Document how auto-host generation can increase custom metric counts #267

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Expand Up @@ -59,6 +59,11 @@ to take advantage of automatic tagging with the host's tags.
If you want to attach events and points to a specific device
on a host, simply specify the device when calling emit functions.

Note that auto-host detection can create an excessive number of custom metrics.
For example, in a Kubernetes CronJob the pod's hostname can be unique
everytime it runs. To prevent the creation of excessive number of custom metrics,
be sure that the "host" is set appropriately.

== Configure the Datadog API Url


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