= statsd: force the decimal format to use dot (.) as decimal point separator

1 files changed, 7 insertions, 3 deletions

diff --git a/kamon-statsd/src/main/scala/kamon/statsd/StatsDMetricsSender.scala b/kamon-statsd/src/main/scala/kamon/statsd/StatsDMetricsSender.scala
index 470d6c23..adda18cc 100644
--- a/kamon-statsd/src/main/scala/kamon/statsd/StatsDMetricsSender.scala
+++ b/kamon-statsd/src/main/scala/kamon/statsd/StatsDMetricsSender.scala
@@ -23,14 +23,18 @@ import akka.util.ByteString
 import kamon.metrics.Subscriptions.TickMetricSnapshot
 import kamon.metrics.MetricSnapshot.Measurement
 import kamon.metrics.InstrumentTypes.{ Counter, Gauge, Histogram, InstrumentType }
-import java.text.DecimalFormat
+import java.text.{ DecimalFormatSymbols, DecimalFormat }
+import java.util.Locale
 
 class StatsDMetricsSender(remote: InetSocketAddress, maxPacketSizeInBytes: Long) extends Actor with UdpExtensionProvider {
   import context.system
 
   val metricKeyGenerator = new SimpleMetricKeyGenerator(context.system.settings.config)
-  val samplingRateFormat = new DecimalFormat()
-  samplingRateFormat.setMaximumFractionDigits(128) // Absurdly high, let the other end loss precision if it needs to.
+  val symbols = DecimalFormatSymbols.getInstance(Locale.US)
+  symbols.setDecimalSeparator('.') // Just in case there is some weird locale config we are not aware of.
+
+  // Absurdly high number of decimal digits, let the other end lose precision if it needs to.
+  val samplingRateFormat = new DecimalFormat("#.################################################################", symbols)
 
   udpExtension ! Udp.SimpleSender