From 8d395d88ad15ac02beb30bbaceb223c45463a970 Mon Sep 17 00:00:00 2001
From: chinaboard <chinaboard@gmail.com>
Date: Wed, 13 Jan 2016 12:09:41 +0800
Subject: [PATCH] fix [#123](https://github.com/etishor/Metrics.NET/issues/123)

release memory after completelyDisableMetrics
---
 Src/Metrics/Core/HistogramMetric.cs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Src/Metrics/Core/HistogramMetric.cs b/Src/Metrics/Core/HistogramMetric.cs
index a5d25a2c..3c434aa2 100644
--- a/Src/Metrics/Core/HistogramMetric.cs
+++ b/Src/Metrics/Core/HistogramMetric.cs
@@ -6,7 +6,7 @@ namespace Metrics.Core
 {
     public interface HistogramImplementation : Histogram, MetricValueProvider<HistogramValue> { }
 
-    public sealed class HistogramMetric : HistogramImplementation
+    public sealed class HistogramMetric : HistogramImplementation, IDisposable
     {
         private readonly Reservoir reservoir;
         private UserValueWrapper last = new UserValueWrapper();
@@ -62,5 +62,13 @@ private static Reservoir SamplingTypeToReservoir(SamplingType samplingType)
             }
             throw new InvalidOperationException("Sampling type not implemented " + samplingType.ToString());
         }
+
+        public void Dispose()
+        {
+            using (reservoir as IDisposable)
+            {
+
+            }
+        }
     }
 }