diff --git a/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/writer/DropwizardMetricWriter.java b/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/writer/DropwizardMetricWriter.java
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index 0000000000..939d2e4b1d
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+++ b/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/writer/DropwizardMetricWriter.java
@@ -0,0 +1,139 @@
+/*
+ * Copyright 2012-2014 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.boot.actuate.metrics.writer;
+
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.TimeUnit;
+
+import org.springframework.boot.actuate.metrics.Metric;
+import org.springframework.boot.actuate.metrics.dropwizard.DropwizardMetricServices;
+
+import com.codahale.metrics.Counter;
+import com.codahale.metrics.Gauge;
+import com.codahale.metrics.Histogram;
+import com.codahale.metrics.Meter;
+import com.codahale.metrics.MetricRegistry;
+import com.codahale.metrics.Timer;
+
+/**
+ * A {@link MetricWriter} that send data to a Codahale {@link MetricRegistry} based on a
+ * naming convention:
+ *
+ *
+ * - Updates to {@link #increment(Delta)} with names in "meter.*" are treated as
+ * {@link Meter} events
+ * - Other deltas are treated as simple {@link Counter} values
+ * - Inputs to {@link #set(Metric)} with names in "histogram.*" are treated as
+ * {@link Histogram} updates
+ * - Inputs to {@link #set(Metric)} with names in "timer.*" are treated as {@link Timer}
+ * updates
+ * - Other metrics are treated as simple {@link Gauge} values (single valued
+ * measurements of type double)
+ *
+ *
+ * @author Dave Syer
+ *
+ * @deprecated Use {@link DropwizardMetricServices} instead
+ */
+@Deprecated
+public class DropwizardMetricWriter implements MetricWriter {
+
+ private final MetricRegistry registry;
+
+ private final ConcurrentMap gaugeLocks = new ConcurrentHashMap();
+
+ /**
+ * Create a new {@link DropwizardMetricWriter} instance.
+ * @param registry the underlying metric registry
+ */
+ public DropwizardMetricWriter(MetricRegistry registry) {
+ this.registry = registry;
+ }
+
+ @Override
+ public void increment(Delta> delta) {
+ String name = delta.getName();
+ long value = delta.getValue().longValue();
+ if (name.startsWith("meter")) {
+ Meter meter = this.registry.meter(name);
+ meter.mark(value);
+ }
+ else {
+ Counter counter = this.registry.counter(name);
+ counter.inc(value);
+ }
+ }
+
+ @Override
+ public void set(Metric> value) {
+ String name = value.getName();
+ if (name.startsWith("histogram")) {
+ long longValue = value.getValue().longValue();
+ Histogram metric = this.registry.histogram(name);
+ metric.update(longValue);
+ }
+ else if (name.startsWith("timer")) {
+ long longValue = value.getValue().longValue();
+ Timer metric = this.registry.timer(name);
+ metric.update(longValue, TimeUnit.MILLISECONDS);
+ }
+ else {
+ final double gauge = value.getValue().doubleValue();
+ // Ensure we synchronize to avoid another thread pre-empting this thread after
+ // remove causing an error in CodaHale metrics
+ // NOTE: CodaHale provides no way to do this atomically
+ synchronized (getGuageLock(name)) {
+ this.registry.remove(name);
+ this.registry.register(name, new SimpleGauge(gauge));
+ }
+ }
+ }
+
+ private Object getGuageLock(String name) {
+ Object lock = this.gaugeLocks.get(name);
+ if (lock == null) {
+ Object newLock = new Object();
+ lock = this.gaugeLocks.putIfAbsent(name, newLock);
+ lock = (lock == null ? newLock : lock);
+ }
+ return lock;
+ }
+
+ @Override
+ public void reset(String metricName) {
+ this.registry.remove(metricName);
+ }
+
+ /**
+ * Simple {@link Gauge} implementation to {@literal double} value.
+ */
+ private static class SimpleGauge implements Gauge {
+
+ private final double value;
+
+ private SimpleGauge(double value) {
+ this.value = value;
+ }
+
+ @Override
+ public Double getValue() {
+ return this.value;
+ }
+ }
+
+}