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[[extension-metrics-metrics, Codahale Metrics]]
= Codahale Metrics =
[devstatus]
--------------
source=extensions/metrics-codahale/dev-status.xml
--------------
Metrics extension backed by the http://metrics.dropwizard.io/[Codahale] metrics library
maintained by the http://www.dropwizard.io/[Dropwizard] folks.
include::../../build/docs/buildinfo/artifact.txt[]
== Assembly ==
Assembly is done using the provided Assembler:
[snippet,java]
----
source=extensions/metrics-codahale/src/test/java/org/apache/polygene/metrics/codahale/CodahaleMetricsTest.java
tag=assembly
----
== Reporting to Ganglia or Graphite ==
Dropwizard provide metrics reporter for Ganglia or Graphite, see the http://metrics.dropwizard.io/[official documentation]
for details.
To register reporters you need a handle to the underlying `MetricsRegistry`, the `CodahaleMetricsProvider` service
provide accessor to it:
[snippet,java]
----
source=extensions/metrics-codahale/src/test/java/org/apache/polygene/metrics/codahale/CodahaleMetricsTest.java
tag=registry
----