Re-gen sample config.
@@ -183,6 +183,8 @@ cluster_urls = # comma separated list allowed here.
[metrics]
# Destination server to connect to if driver requires connection.
host = 127.0.0.1
+# Optional prefix which is prepended to all the metric names. Comes handy when you want to submit metrics from various environment to the same metricbackend instance.
+prefix = None
# Driver type for metrics collection.
driver = noop
# Destination port to connect to if driver requires connection.
