import com.codahale.metrics.MetricRegistry
import java.util.concurrent.TimeUnit
import com.pongr.metrics.amazoncloudwatch._

val metricRegistry = new MetricRegistry()

val cloudWatch = new AmazonCloudWatch(
  accessKeyId = "access-key-id",
  secretKey   = "secret-key",
  nameSpace   = "your namespace",
  dimensions  = Map("host" -> "localhost")
)
val reporter = new AmazonCloudWatchReporter(cloudWatch, metricRegistry, TimeUnit.SECONDS, TimeUnit.MILLISECONDS)
reporter.start(20, TimeUnit.SECONDS)