[jira] [Commented] (SCB-422) add executor metrics, not just queue size

[ASF GitHub Bot (JIRA)]

    [ 
https://issues.apache.org/jira/browse/SCB-422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16429784#comment-16429784
 ] 

ASF GitHub Bot commented on SCB-422:
------------------------------------

wujimin closed pull request #633: [SCB-422] Threadpool metrics
URL: https://github.com/apache/incubator-servicecomb-java-chassis/pull/633
 
 
   

This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:

As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):

diff --git a/core/src/main/java/org/apache/servicecomb/core/BootListener.java 
b/core/src/main/java/org/apache/servicecomb/core/BootListener.java
index f6e50cc03..b3b875543 100644
--- a/core/src/main/java/org/apache/servicecomb/core/BootListener.java
+++ b/core/src/main/java/org/apache/servicecomb/core/BootListener.java
@@ -28,7 +28,9 @@
     BEFORE_TRANSPORT,
     AFTER_TRANSPORT,
     BEFORE_REGISTRY,
-    AFTER_REGISTRY
+    AFTER_REGISTRY,
+    BEFORE_CLOSE,
+    AFTER_CLOSE
   }
 
   class BootEvent {
diff --git 
a/core/src/main/java/org/apache/servicecomb/core/CseApplicationListener.java 
b/core/src/main/java/org/apache/servicecomb/core/CseApplicationListener.java
index 5cff9ca5e..4952f35f3 100644
--- a/core/src/main/java/org/apache/servicecomb/core/CseApplicationListener.java
+++ b/core/src/main/java/org/apache/servicecomb/core/CseApplicationListener.java
@@ -147,7 +147,9 @@ public void onApplicationEvent(ApplicationEvent event) {
       }
     } else if (event instanceof ContextClosedEvent) {
       LOGGER.warn("cse is closing now...");
+      triggerEvent(EventType.BEFORE_CLOSE);
       RegistryUtils.destroy();
+      triggerEvent(EventType.AFTER_CLOSE);
       isInit = false;
     }
   }
diff --git 
a/core/src/main/java/org/apache/servicecomb/core/executor/FixedThreadExecutor.java
 
b/core/src/main/java/org/apache/servicecomb/core/executor/FixedThreadExecutor.java
index e70cc1bd0..2600ebb53 100644
--- 
a/core/src/main/java/org/apache/servicecomb/core/executor/FixedThreadExecutor.java
+++ 
b/core/src/main/java/org/apache/servicecomb/core/executor/FixedThreadExecutor.java
@@ -58,6 +58,10 @@ public FixedThreadExecutor() {
     }
   }
 
+  public List<Executor> getExecutorList() {
+    return executorList;
+  }
+
   @Override
   public void execute(Runnable command) {
     long threadId = Thread.currentThread().getId();
diff --git 
a/core/src/test/java/org/apache/servicecomb/core/TestCseApplicationListener.java
 
b/core/src/test/java/org/apache/servicecomb/core/TestCseApplicationListener.java
index fb473b751..e5eaec84a 100644
--- 
a/core/src/test/java/org/apache/servicecomb/core/TestCseApplicationListener.java
+++ 
b/core/src/test/java/org/apache/servicecomb/core/TestCseApplicationListener.java
@@ -22,11 +22,17 @@
 import static org.mockito.Mockito.verify;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
+import javax.xml.ws.Holder;
+
+import org.apache.commons.lang3.reflect.FieldUtils;
 import org.apache.servicecomb.core.BootListener.BootEvent;
+import org.apache.servicecomb.core.BootListener.EventType;
 import org.apache.servicecomb.core.definition.loader.SchemaListenerManager;
 import org.apache.servicecomb.core.endpoint.AbstractEndpointsCache;
 import org.apache.servicecomb.core.provider.consumer.ConsumerProviderManager;
@@ -39,6 +45,7 @@
 import org.apache.servicecomb.serviceregistry.RegistryUtils;
 import 
org.apache.servicecomb.serviceregistry.api.registry.MicroserviceInstance;
 import 
org.apache.servicecomb.serviceregistry.task.MicroserviceInstanceRegisterTask;
+import org.hamcrest.Matchers;
 import org.junit.After;
 import org.junit.AfterClass;
 import org.junit.Assert;
@@ -53,6 +60,8 @@
 import mockit.Deencapsulation;
 import mockit.Expectations;
 import mockit.Injectable;
+import mockit.Mock;
+import mockit.MockUp;
 import mockit.Mocked;
 
 public class TestCseApplicationListener {
@@ -147,15 +156,26 @@ public void 
testCseApplicationListenerParentNotnull(@Injectable ContextRefreshed
   }
 
   @Test
-  public void testCseApplicationListenerShutdown(@Injectable 
ContextClosedEvent event,
-      @Mocked RegistryUtils ru) {
-    new Expectations() {
-      {
-        RegistryUtils.destroy();
+  public void testCseApplicationListenerShutdown(@Mocked ApplicationContext 
context) throws IllegalAccessException {
+    Holder<Boolean> destroyHolder = new Holder<>();
+    new MockUp<RegistryUtils>() {
+      @Mock
+      void destroy() {
+        destroyHolder.value = true;
       }
     };
     CseApplicationListener cal = new CseApplicationListener();
+    ContextClosedEvent event = new ContextClosedEvent(context);
+
+    List<EventType> eventTypes = new ArrayList<>();
+    BootListener bootListener = e -> {
+      eventTypes.add(e.getEventType());
+    };
+    FieldUtils.writeField(cal, "bootListenerList", 
Arrays.asList(bootListener), true);
     cal.onApplicationEvent(event);
+
+    Assert.assertTrue(destroyHolder.value);
+    Assert.assertThat(eventTypes, Matchers.contains(EventType.BEFORE_CLOSE, 
EventType.AFTER_CLOSE));
   }
 
   @Test
diff --git 
a/foundations/foundation-metrics/src/main/java/org/apache/servicecomb/foundation/metrics/MetricsBootstrap.java
 
b/foundations/foundation-metrics/src/main/java/org/apache/servicecomb/foundation/metrics/MetricsBootstrap.java
index 0c6a52367..335d7c56a 100644
--- 
a/foundations/foundation-metrics/src/main/java/org/apache/servicecomb/foundation/metrics/MetricsBootstrap.java
+++ 
b/foundations/foundation-metrics/src/main/java/org/apache/servicecomb/foundation/metrics/MetricsBootstrap.java
@@ -16,6 +16,8 @@
  */
 package org.apache.servicecomb.foundation.metrics;
 
+import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
@@ -52,6 +54,12 @@ public void start(CompositeRegistry globalRegistry, EventBus 
eventBus) {
 
   public void shutdown() {
     executorService.shutdown();
+
+    List<MetricsInitializer> initializers = new 
ArrayList<>(SPIServiceUtils.getSortedService(MetricsInitializer.class));
+    Collections.reverse(initializers);
+    initializers.forEach(initializer -> {
+      initializer.uninit();
+    });
   }
 
   protected void loadMetricsInitializers() {
diff --git 
a/foundations/foundation-metrics/src/main/java/org/apache/servicecomb/foundation/metrics/MetricsInitializer.java
 
b/foundations/foundation-metrics/src/main/java/org/apache/servicecomb/foundation/metrics/MetricsInitializer.java
index 5e1aaef6c..355657653 100644
--- 
a/foundations/foundation-metrics/src/main/java/org/apache/servicecomb/foundation/metrics/MetricsInitializer.java
+++ 
b/foundations/foundation-metrics/src/main/java/org/apache/servicecomb/foundation/metrics/MetricsInitializer.java
@@ -20,8 +20,16 @@
 import com.netflix.spectator.api.CompositeRegistry;
 
 public interface MetricsInitializer {
+  default int getOrder() {
+    return 0;
+  }
+
   /** 
    * if create new registry, must add to globalRegistry
    */
   void init(CompositeRegistry globalRegistry, EventBus eventBus, 
MetricsBootstrapConfig config);
+
+  default void uninit() {
+
+  }
 }
diff --git 
a/foundations/foundation-metrics/src/main/java/org/apache/servicecomb/foundation/metrics/publish/spectator/MeasurementTree.java
 
b/foundations/foundation-metrics/src/main/java/org/apache/servicecomb/foundation/metrics/publish/spectator/MeasurementTree.java
index 056bba69c..1a07720aa 100644
--- 
a/foundations/foundation-metrics/src/main/java/org/apache/servicecomb/foundation/metrics/publish/spectator/MeasurementTree.java
+++ 
b/foundations/foundation-metrics/src/main/java/org/apache/servicecomb/foundation/metrics/publish/spectator/MeasurementTree.java
@@ -45,12 +45,13 @@ public void from(Iterator<Meter> meters, 
MeasurementGroupConfig groupConfig) {
   public void from(Iterable<Measurement> measurements, MeasurementGroupConfig 
groupConfig) {
     for (Measurement measurement : measurements) {
       Id id = measurement.id();
+      MeasurementNode node = addChild(id.name(), measurement);
+
       List<TagFinder> tagFinders = groupConfig.findTagFinders(id.name());
       if (tagFinders == null) {
         continue;
       }
 
-      MeasurementNode node = addChild(id.name(), measurement);
       for (TagFinder tagFinder : tagFinders) {
         Tag tag = tagFinder.find(id.tags());
         if (tag == null) {
diff --git 
a/foundations/foundation-metrics/src/test/java/org/apache/servicecomb/foundation/metrics/TestMetricsBootstrap.java
 
b/foundations/foundation-metrics/src/test/java/org/apache/servicecomb/foundation/metrics/TestMetricsBootstrap.java
index b8280f45c..a8fd7ecd2 100644
--- 
a/foundations/foundation-metrics/src/test/java/org/apache/servicecomb/foundation/metrics/TestMetricsBootstrap.java
+++ 
b/foundations/foundation-metrics/src/test/java/org/apache/servicecomb/foundation/metrics/TestMetricsBootstrap.java
@@ -19,10 +19,10 @@
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
+import java.util.concurrent.ScheduledExecutorService;
 
 import org.apache.servicecomb.foundation.common.utils.SPIServiceUtils;
 import org.hamcrest.Matchers;
-import org.junit.After;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -31,6 +31,7 @@
 import com.netflix.spectator.api.CompositeRegistry;
 import com.netflix.spectator.api.Meter;
 
+import mockit.Deencapsulation;
 import mockit.Expectations;
 import mockit.Mocked;
 
@@ -42,11 +43,6 @@
 
   EventBus eventBus = new EventBus();
 
-  @After
-  public void teardown() {
-    bootstrap.shutdown();
-  }
-
   @Test
   public void loadMetricsInitializers() {
     List<MetricsInitializer> initList = new ArrayList<>();
@@ -64,6 +60,7 @@ public void init(CompositeRegistry globalRegistry, EventBus 
eventBus, MetricsBoo
     };
 
     bootstrap.start(globalRegistry, eventBus);
+    bootstrap.shutdown();
 
     Assert.assertThat(initList, Matchers.contains(metricsInitializer, 
metricsInitializer));
   }
@@ -89,7 +86,56 @@ public void onEvent(PolledEvent event) {
     });
 
     bootstrap.pollMeters();
+    bootstrap.shutdown();
 
     Assert.assertEquals(meters, result.getMeters());
   }
+
+  @Test
+  public void shutdown(@Mocked ScheduledExecutorService 
scheduledExecutorService) {
+    List<MetricsInitializer> uninitList = new ArrayList<>();
+    MetricsInitializer initializer1 = new MetricsInitializer() {
+      @Override
+      public int getOrder() {
+        return 1;
+      }
+
+      @Override
+      public void init(CompositeRegistry globalRegistry, EventBus eventBus, 
MetricsBootstrapConfig config) {
+      }
+
+      @Override
+      public void uninit() {
+        uninitList.add(this);
+      }
+    };
+
+    MetricsInitializer initializer2 = new MetricsInitializer() {
+      @Override
+      public int getOrder() {
+        return 2;
+      }
+
+      @Override
+      public void init(CompositeRegistry globalRegistry, EventBus eventBus, 
MetricsBootstrapConfig config) {
+      }
+
+      @Override
+      public void uninit() {
+        uninitList.add(this);
+      }
+    };
+
+    new Expectations(SPIServiceUtils.class) {
+      {
+        SPIServiceUtils.getSortedService(MetricsInitializer.class);
+        result = Arrays.asList(initializer1, initializer2);
+      }
+    };
+    Deencapsulation.setField(bootstrap, "executorService", 
scheduledExecutorService);
+
+    bootstrap.shutdown();
+
+    Assert.assertThat(uninitList, Matchers.contains(initializer2, 
initializer1));
+  }
 }
diff --git 
a/foundations/foundation-metrics/src/test/java/org/apache/servicecomb/foundation/metrics/publish/spectator/TestMeasurementTree.java
 
b/foundations/foundation-metrics/src/test/java/org/apache/servicecomb/foundation/metrics/publish/spectator/TestMeasurementTree.java
index a3eb50d59..e568c67e1 100644
--- 
a/foundations/foundation-metrics/src/test/java/org/apache/servicecomb/foundation/metrics/publish/spectator/TestMeasurementTree.java
+++ 
b/foundations/foundation-metrics/src/test/java/org/apache/servicecomb/foundation/metrics/publish/spectator/TestMeasurementTree.java
@@ -65,11 +65,12 @@ public void from() {
     MeasurementGroupConfig config = new MeasurementGroupConfig("id", "g1", 
"g2", Statistic.count.key());
     tree.from(registry.iterator(), config);
 
-    Assert.assertEquals(1, tree.getChildren().size());
+    Assert.assertEquals(2, tree.getChildren().size());
 
     MeasurementNode node = tree.findChild("id", "g1v", "g2v");
     Assert.assertEquals(2d, 
node.findChild(Statistic.count.value()).getMeasurements().get(0).value(), 0);
     Assert.assertEquals(12d, 
node.findChild(Statistic.totalTime.value()).getMeasurements().get(0).value(), 
0);
+    Assert.assertEquals(0d, tree.findChild("id_notCare").summary(), 0);
   }
 
   @Test
diff --git 
a/metrics/metrics-core/src/main/java/com/netflix/spectator/api/patterns/ThreadPoolMonitorPublishModelFactory.java
 
b/metrics/metrics-core/src/main/java/com/netflix/spectator/api/patterns/ThreadPoolMonitorPublishModelFactory.java
new file mode 100644
index 000000000..0ffb5a1bc
--- /dev/null
+++ 
b/metrics/metrics-core/src/main/java/com/netflix/spectator/api/patterns/ThreadPoolMonitorPublishModelFactory.java
@@ -0,0 +1,98 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 com.netflix.spectator.api.patterns;
+
+import java.util.Map;
+
+import 
org.apache.servicecomb.foundation.metrics.publish.spectator.MeasurementNode;
+import 
org.apache.servicecomb.foundation.metrics.publish.spectator.MeasurementTree;
+import 
org.apache.servicecomb.metrics.core.publish.model.ThreadPoolPublishModel;
+
+import com.netflix.spectator.api.Measurement;
+import com.netflix.spectator.api.Utils;
+
+public class ThreadPoolMonitorPublishModelFactory {
+  interface Setter {
+    void set(ThreadPoolPublishModel model, Measurement measurement);
+  }
+
+  private MeasurementTree tree;
+
+  private Map<String, ThreadPoolPublishModel> threadPools;
+
+  public ThreadPoolMonitorPublishModelFactory(MeasurementTree tree,
+      Map<String, ThreadPoolPublishModel> threadPools) {
+    this.tree = tree;
+    this.threadPools = threadPools;
+  }
+
+  public static void create(MeasurementTree tree,
+      Map<String, ThreadPoolPublishModel> threadPools) {
+    new ThreadPoolMonitorPublishModelFactory(tree, threadPools).create();
+  }
+
+  public void create() {
+    readMeasurement(ThreadPoolMonitor.TASK_COUNT,
+        (model, measurement) -> {
+          model.setAvgTaskCount(measurement.value());
+        });
+    readMeasurement(ThreadPoolMonitor.COMPLETED_TASK_COUNT,
+        (model, measurement) -> {
+          model.setAvgCompletedTaskCount(measurement.value());
+        });
+    readMeasurement(ThreadPoolMonitor.CURRENT_THREADS_BUSY,
+        (model, measurement) -> {
+          model.setCurrentThreadsBusy((int) measurement.value());
+        });
+    readMeasurement(ThreadPoolMonitor.MAX_THREADS,
+        (model, measurement) -> {
+          model.setMaxThreads((int) measurement.value());
+        });
+    readMeasurement(ThreadPoolMonitor.POOL_SIZE,
+        (model, measurement) -> {
+          model.setPoolSize((int) measurement.value());
+        });
+    readMeasurement(ThreadPoolMonitor.CORE_POOL_SIZE,
+        (model, measurement) -> {
+          model.setCorePoolSize((int) measurement.value());
+        });
+    readMeasurement(ThreadPoolMonitor.QUEUE_SIZE,
+        (model, measurement) -> {
+          model.setQueueSize((int) measurement.value());
+        });
+  }
+
+  protected void readMeasurement(String name, Setter setter) {
+    MeasurementNode node = tree.findChild(name);
+    if (node == null) {
+      return;
+    }
+
+    for (Measurement measurement : node.getMeasurements()) {
+      String threadPoolName = Utils.getTagValue(measurement.id(), 
ThreadPoolMonitor.ID_TAG_NAME);
+      if (threadPoolName == null) {
+        continue;
+      }
+
+      ThreadPoolPublishModel model = 
threadPools.computeIfAbsent(threadPoolName, tpn -> {
+        return new ThreadPoolPublishModel();
+      });
+
+      setter.set(model, measurement);
+    }
+  }
+}
diff --git 
a/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/DefaultRegistryInitializer.java
 
b/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/DefaultRegistryInitializer.java
new file mode 100644
index 000000000..64650de20
--- /dev/null
+++ 
b/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/DefaultRegistryInitializer.java
@@ -0,0 +1,64 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.servicecomb.metrics.core;
+
+import org.apache.servicecomb.foundation.metrics.MetricsBootstrapConfig;
+import org.apache.servicecomb.foundation.metrics.MetricsInitializer;
+
+import com.google.common.eventbus.EventBus;
+import com.netflix.servo.DefaultMonitorRegistry;
+import com.netflix.spectator.api.CompositeRegistry;
+import com.netflix.spectator.api.Registry;
+import com.netflix.spectator.servo.ServoRegistry;
+
+public class DefaultRegistryInitializer implements MetricsInitializer {
+  public static final String METRICS_WINDOW_TIME = 
"servicecomb.metrics.window_time";
+
+  public static final int DEFAULT_METRICS_WINDOW_TIME = 5000;
+
+  public static final String SERVO_POLLERS = "servo.pollers";
+
+  private CompositeRegistry globalRegistry;
+
+  private ServoRegistry registry;
+
+  // create registry before init meters
+  @Override
+  public int getOrder() {
+    return -10;
+  }
+
+  @Override
+  public void init(CompositeRegistry globalRegistry, EventBus eventBus, 
MetricsBootstrapConfig config) {
+    this.globalRegistry = globalRegistry;
+
+    System.getProperties().setProperty(SERVO_POLLERS, 
String.valueOf(config.getMsPollInterval()));
+    registry = new ServoRegistry();
+
+    globalRegistry.add(registry);
+  }
+
+  @Override
+  public void uninit() {
+    DefaultMonitorRegistry.getInstance().unregister(registry);
+    globalRegistry.remove(registry);
+  }
+
+  public Registry getRegistry() {
+    return registry;
+  }
+}
diff --git 
a/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/DefaultMetricsInitializer.java
 
b/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/InvocationMetersInitializer.java
similarity index 78%
rename from 
metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/DefaultMetricsInitializer.java
rename to 
metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/InvocationMetersInitializer.java
index 12e090e82..e040ec228 100644
--- 
a/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/DefaultMetricsInitializer.java
+++ 
b/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/InvocationMetersInitializer.java
@@ -19,6 +19,7 @@
 import org.apache.servicecomb.core.Invocation;
 import org.apache.servicecomb.core.event.InvocationFinishEvent;
 import org.apache.servicecomb.core.event.InvocationStartEvent;
+import org.apache.servicecomb.foundation.common.utils.SPIServiceUtils;
 import org.apache.servicecomb.foundation.metrics.MetricsBootstrapConfig;
 import org.apache.servicecomb.foundation.metrics.MetricsInitializer;
 import org.apache.servicecomb.metrics.core.meter.ConsumerMeters;
@@ -30,35 +31,24 @@
 import com.google.common.eventbus.Subscribe;
 import com.netflix.spectator.api.CompositeRegistry;
 import com.netflix.spectator.api.Registry;
-import com.netflix.spectator.servo.ServoRegistry;
-
-public class DefaultMetricsInitializer implements MetricsInitializer {
-  public static final String METRICS_WINDOW_TIME = 
"servicecomb.metrics.window_time";
-
-  public static final int DEFAULT_METRICS_WINDOW_TIME = 5000;
-
-  private Registry registry;
 
+public class InvocationMetersInitializer implements MetricsInitializer {
   private ConsumerMeters consumerMeters;
 
   private ProducerMeters producerMeters;
 
   @Override
   public void init(CompositeRegistry globalRegistry, EventBus eventBus, 
MetricsBootstrapConfig config) {
-    registry = createRegistry(config);
+    DefaultRegistryInitializer defaultRegistryInitializer =
+        SPIServiceUtils.getTargetService(MetricsInitializer.class, 
DefaultRegistryInitializer.class);
+    Registry registry = defaultRegistryInitializer.getRegistry();
 
-    this.consumerMeters = new ConsumerMeters(registry);
-    this.producerMeters = new ProducerMeters(registry);
+    consumerMeters = new ConsumerMeters(registry);
+    producerMeters = new ProducerMeters(registry);
 
-    globalRegistry.add(registry);
     eventBus.register(this);
   }
 
-  protected Registry createRegistry(MetricsBootstrapConfig config) {
-    System.getProperties().setProperty("servo.pollers", 
String.valueOf(config.getMsPollInterval()));
-    return new ServoRegistry();
-  }
-
   protected AbstractInvocationMeters findInvocationMeters(Invocation 
invocation) {
     if (invocation.isConsumer()) {
       return consumerMeters.getInvocationMeters();
diff --git 
a/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/MetricsBootListener.java
 
b/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/MetricsBootListener.java
index 289c8796f..51b7bfc47 100644
--- 
a/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/MetricsBootListener.java
+++ 
b/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/MetricsBootListener.java
@@ -48,6 +48,8 @@ public void onBootEvent(BootEvent event) {
       case AFTER_REGISTRY:
         metricsBootstrap.start(Spectator.globalRegistry(), 
EventManager.getEventBus());
         break;
+      case BEFORE_CLOSE:
+        metricsBootstrap.shutdown();
       default:
         break;
     }
diff --git 
a/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/ThreadPoolMetersInitializer.java
 
b/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/ThreadPoolMetersInitializer.java
new file mode 100644
index 000000000..7d9b1f2d5
--- /dev/null
+++ 
b/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/ThreadPoolMetersInitializer.java
@@ -0,0 +1,99 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.servicecomb.metrics.core;
+
+import java.util.IdentityHashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.concurrent.Executor;
+import java.util.concurrent.ThreadPoolExecutor;
+
+import org.apache.servicecomb.core.CseContext;
+import org.apache.servicecomb.core.definition.MicroserviceMeta;
+import org.apache.servicecomb.core.definition.MicroserviceMetaManager;
+import org.apache.servicecomb.core.definition.OperationMeta;
+import org.apache.servicecomb.core.executor.FixedThreadExecutor;
+import org.apache.servicecomb.foundation.common.utils.BeanUtils;
+import org.apache.servicecomb.foundation.common.utils.SPIServiceUtils;
+import org.apache.servicecomb.foundation.metrics.MetricsBootstrapConfig;
+import org.apache.servicecomb.foundation.metrics.MetricsInitializer;
+
+import com.google.common.eventbus.EventBus;
+import com.netflix.spectator.api.CompositeRegistry;
+import com.netflix.spectator.api.Registry;
+import com.netflix.spectator.api.patterns.ThreadPoolMonitor;
+
+public class ThreadPoolMetersInitializer implements MetricsInitializer {
+  private Registry registry;
+
+  @Override
+  public void init(CompositeRegistry globalRegistry, EventBus eventBus, 
MetricsBootstrapConfig config) {
+    DefaultRegistryInitializer defaultRegistryInitializer =
+        SPIServiceUtils.getTargetService(MetricsInitializer.class, 
DefaultRegistryInitializer.class);
+    registry = defaultRegistryInitializer.getRegistry();
+
+    createThreadPoolMeters();
+  }
+
+  public void createThreadPoolMeters() {
+    Map<Executor, Executor> operationExecutors = 
collectionOperationExecutors();
+    // currently, all operation executors come from bean
+    Map<String, Executor> beanExecutors = 
BeanUtils.getContext().getBeansOfType(Executor.class);
+
+    for (Entry<String, Executor> entry : beanExecutors.entrySet()) {
+      Executor executor = entry.getValue();
+      if (!operationExecutors.containsKey(executor)) {
+        continue;
+      }
+
+      if (FixedThreadExecutor.class.isInstance(executor)) {
+        createThreadPoolMeters(entry.getKey(), (FixedThreadExecutor) executor);
+        continue;
+      }
+
+      createThreadPoolMeters(entry.getKey(), executor);
+    }
+  }
+
+  protected Map<Executor, Executor> collectionOperationExecutors() {
+    Map<Executor, Executor> operationExecutors = new IdentityHashMap<>();
+
+    MicroserviceMetaManager microserviceMetaManager = 
CseContext.getInstance().getMicroserviceMetaManager();
+    for (MicroserviceMeta microserviceMeta : microserviceMetaManager.values()) 
{
+      for (OperationMeta operationMeta : microserviceMeta.getOperations()) {
+        operationExecutors.put(operationMeta.getExecutor(), 
operationMeta.getExecutor());
+      }
+    }
+
+    return operationExecutors;
+  }
+
+  protected void createThreadPoolMeters(String threadPoolName, 
FixedThreadExecutor fixedThreadExecutor) {
+    for (int idx = 0; idx < fixedThreadExecutor.getExecutorList().size(); 
idx++) {
+      Executor executor = fixedThreadExecutor.getExecutorList().get(idx);
+      createThreadPoolMeters(threadPoolName + "-group" + idx, executor);
+    }
+  }
+
+  protected void createThreadPoolMeters(String threadPoolName, Executor 
executor) {
+    if (!ThreadPoolExecutor.class.isInstance(executor)) {
+      return;
+    }
+
+    ThreadPoolMonitor.attach(registry, (ThreadPoolExecutor) executor, 
threadPoolName);
+  }
+}
diff --git 
a/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/publish/DefaultLogPublisher.java
 
b/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/publish/DefaultLogPublisher.java
index 26a3815f5..a4efedd15 100644
--- 
a/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/publish/DefaultLogPublisher.java
+++ 
b/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/publish/DefaultLogPublisher.java
@@ -26,6 +26,7 @@
 import org.apache.servicecomb.foundation.vertx.VertxUtils;
 import 
org.apache.servicecomb.metrics.core.meter.invocation.MeterInvocationConst;
 import org.apache.servicecomb.metrics.core.publish.model.DefaultPublishModel;
+import 
org.apache.servicecomb.metrics.core.publish.model.ThreadPoolPublishModel;
 import 
org.apache.servicecomb.metrics.core.publish.model.invocation.OperationPerf;
 import 
org.apache.servicecomb.metrics.core.publish.model.invocation.OperationPerfGroup;
 import 
org.apache.servicecomb.metrics.core.publish.model.invocation.OperationPerfGroups;
@@ -75,12 +76,36 @@ protected void printLog(List<Meter> meters) {
 
     PublishModelFactory factory = new PublishModelFactory(meters);
     DefaultPublishModel model = factory.createDefaultPublishModel();
+
+    printThreadPoolMetrics(model, sb);
+
     printConsumerLog(model, sb);
     printProducerLog(model, sb);
 
     LOGGER.info(sb.toString());
   }
 
+  protected void printThreadPoolMetrics(DefaultPublishModel model, 
StringBuilder sb) {
+    if (model.getThreadPools().isEmpty()) {
+      return;
+    }
+
+    sb.append("threadPool:\n");
+    sb.append("  corePoolSize maxThreads poolSize currentThreadsBusy queueSize 
taskCount completedTaskCount name\n");
+    for (Entry<String, ThreadPoolPublishModel> entry : 
model.getThreadPools().entrySet()) {
+      ThreadPoolPublishModel threadPoolPublishModel = entry.getValue();
+      sb.append(String.format("  %-12d %-10d %-8d %-18d %-9d %-9.1f %-18.1f 
%s\n",
+          threadPoolPublishModel.getCorePoolSize(),
+          threadPoolPublishModel.getMaxThreads(),
+          threadPoolPublishModel.getPoolSize(),
+          threadPoolPublishModel.getCurrentThreadsBusy(),
+          threadPoolPublishModel.getQueueSize(),
+          threadPoolPublishModel.getAvgTaskCount(),
+          threadPoolPublishModel.getAvgCompletedTaskCount(),
+          entry.getKey()));
+    }
+  }
+
   protected void printConsumerLog(DefaultPublishModel model, StringBuilder sb) 
{
     OperationPerfGroups consumerPerf = 
model.getConsumer().getOperationPerfGroups();
     if (consumerPerf == null) {
diff --git 
a/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/publish/PublishModelFactory.java
 
b/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/publish/PublishModelFactory.java
index 7d03573da..8c311bfe2 100644
--- 
a/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/publish/PublishModelFactory.java
+++ 
b/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/publish/PublishModelFactory.java
@@ -27,6 +27,7 @@
 import org.apache.servicecomb.swagger.invocation.InvocationType;
 
 import com.netflix.spectator.api.Meter;
+import com.netflix.spectator.api.patterns.ThreadPoolMonitorPublishModelFactory;
 
 public class PublishModelFactory {
   private MeasurementTree tree;
@@ -52,6 +53,7 @@ protected MeasurementGroupConfig 
createMeasurementGroupConfig() {
         MeterInvocationConst.TAG_STATUS,
         MeterInvocationConst.TAG_STAGE,
         MeterInvocationConst.TAG_STATISTIC);
+
     return groupConfig;
   }
 
@@ -80,13 +82,13 @@ protected OperationPerfGroups 
generateOperationPerfGroups(MeasurementTree tree,
   public DefaultPublishModel createDefaultPublishModel() {
     DefaultPublishModel model = new DefaultPublishModel();
 
-    model
-        .getConsumer()
+    model.getConsumer()
         .setOperationPerfGroups(generateOperationPerfGroups(tree, 
InvocationType.CONSUMER.name()));
-    model
-        .getProducer()
+    model.getProducer()
         .setOperationPerfGroups(generateOperationPerfGroups(tree, 
InvocationType.PRODUCER.name()));
 
+    ThreadPoolMonitorPublishModelFactory.create(tree, model.getThreadPools());
+
     return model;
   }
 }
diff --git 
a/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/publish/model/DefaultPublishModel.java
 
b/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/publish/model/DefaultPublishModel.java
index 8258425ca..b33ab5810 100644
--- 
a/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/publish/model/DefaultPublishModel.java
+++ 
b/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/publish/model/DefaultPublishModel.java
@@ -16,16 +16,37 @@
  */
 package org.apache.servicecomb.metrics.core.publish.model;
 
+import java.util.HashMap;
+import java.util.Map;
+
 public class DefaultPublishModel {
   private ConsumerPublishModel consumer = new ConsumerPublishModel();
 
   private ProducerPublishModel producer = new ProducerPublishModel();
 
+  private Map<String, ThreadPoolPublishModel> threadPools = new HashMap<>();
+
   public ConsumerPublishModel getConsumer() {
     return consumer;
   }
 
+  public void setConsumer(ConsumerPublishModel consumer) {
+    this.consumer = consumer;
+  }
+
   public ProducerPublishModel getProducer() {
     return producer;
   }
+
+  public void setProducer(ProducerPublishModel producer) {
+    this.producer = producer;
+  }
+
+  public Map<String, ThreadPoolPublishModel> getThreadPools() {
+    return threadPools;
+  }
+
+  public void setThreadPools(Map<String, ThreadPoolPublishModel> threadPools) {
+    this.threadPools = threadPools;
+  }
 }
diff --git 
a/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/publish/model/ThreadPoolPublishModel.java
 
b/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/publish/model/ThreadPoolPublishModel.java
new file mode 100644
index 000000000..70c288b68
--- /dev/null
+++ 
b/metrics/metrics-core/src/main/java/org/apache/servicecomb/metrics/core/publish/model/ThreadPoolPublishModel.java
@@ -0,0 +1,89 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.servicecomb.metrics.core.publish.model;
+
+public class ThreadPoolPublishModel {
+  private double avgTaskCount;
+
+  private double avgCompletedTaskCount;
+
+  private int currentThreadsBusy;
+
+  private int maxThreads;
+
+  private int poolSize;
+
+  private int corePoolSize;
+
+  private int queueSize;
+
+  public double getAvgTaskCount() {
+    return avgTaskCount;
+  }
+
+  public void setAvgTaskCount(double avgTaskCount) {
+    this.avgTaskCount = avgTaskCount;
+  }
+
+  public double getAvgCompletedTaskCount() {
+    return avgCompletedTaskCount;
+  }
+
+  public void setAvgCompletedTaskCount(double avgCompletedTaskCount) {
+    this.avgCompletedTaskCount = avgCompletedTaskCount;
+  }
+
+  public int getCurrentThreadsBusy() {
+    return currentThreadsBusy;
+  }
+
+  public void setCurrentThreadsBusy(int currentThreadsBusy) {
+    this.currentThreadsBusy = currentThreadsBusy;
+  }
+
+  public int getMaxThreads() {
+    return maxThreads;
+  }
+
+  public void setMaxThreads(int maxThreads) {
+    this.maxThreads = maxThreads;
+  }
+
+  public int getPoolSize() {
+    return poolSize;
+  }
+
+  public void setPoolSize(int poolSize) {
+    this.poolSize = poolSize;
+  }
+
+  public int getCorePoolSize() {
+    return corePoolSize;
+  }
+
+  public void setCorePoolSize(int corePoolSize) {
+    this.corePoolSize = corePoolSize;
+  }
+
+  public int getQueueSize() {
+    return queueSize;
+  }
+
+  public void setQueueSize(int queueSize) {
+    this.queueSize = queueSize;
+  }
+}
diff --git 
a/metrics/metrics-core/src/main/resources/META-INF/services/org.apache.servicecomb.foundation.metrics.MetricsInitializer
 
b/metrics/metrics-core/src/main/resources/META-INF/services/org.apache.servicecomb.foundation.metrics.MetricsInitializer
index fb6c4662b..c4ed8e76e 100644
--- 
a/metrics/metrics-core/src/main/resources/META-INF/services/org.apache.servicecomb.foundation.metrics.MetricsInitializer
+++ 
b/metrics/metrics-core/src/main/resources/META-INF/services/org.apache.servicecomb.foundation.metrics.MetricsInitializer
@@ -15,6 +15,8 @@
 # limitations under the License.
 #
 
-org.apache.servicecomb.metrics.core.DefaultMetricsInitializer
+org.apache.servicecomb.metrics.core.DefaultRegistryInitializer
+org.apache.servicecomb.metrics.core.InvocationMetersInitializer
+org.apache.servicecomb.metrics.core.ThreadPoolMetersInitializer
 org.apache.servicecomb.metrics.core.publish.DefaultLogPublisher
 org.apache.servicecomb.metrics.core.publish.MetricsRestPublisher
\ No newline at end of file
diff --git 
a/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/TestAnMonitorManager.java
 
b/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/TestAnMonitorManager.java
index 80e519656..0fe669a7f 100644
--- 
a/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/TestAnMonitorManager.java
+++ 
b/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/TestAnMonitorManager.java
@@ -41,7 +41,7 @@
 
   private static MetricsLoader currentWindowMetricsLoader;
 
-  private static MetricsLoader nextWindowMetricsLoader;
+  //  private static MetricsLoader nextWindowMetricsLoader;
 
   @BeforeClass
   public static void setup() throws InterruptedException {
@@ -90,7 +90,7 @@ public static void setup() throws InterruptedException {
     Thread.sleep(2000);
 
     metrics = MonitorManager.getInstance().measure();
-    nextWindowMetricsLoader = new MetricsLoader(metrics);
+//    nextWindowMetricsLoader = new MetricsLoader(metrics);
   }
 
   @Test
@@ -152,48 +152,48 @@ public void checkFun1Count() {
 
   @Test
   public void checkFun1Max() {
-    MetricNode node = nextWindowMetricsLoader
-        .getMetricTree(MetricsConst.SERVICECOMB_INVOCATION, 
MetricsConst.TAG_OPERATION, MetricsConst.TAG_ROLE,
-            MetricsConst.TAG_STAGE);
-    MetricNode node1_queue = node.getChildrenNode("fun1")
-        .getChildrenNode(String.valueOf(InvocationType.PRODUCER).toLowerCase())
-        .getChildrenNode(MetricsConst.STAGE_QUEUE);
-    MetricNode node1_queue_status = new MetricNode(node1_queue.getMetrics(), 
MetricsConst.TAG_STATUS);
-    Assert.assertEquals(300,
-        
node1_queue_status.getChildrenNode("200").getMatchStatisticMetricValue(TimeUnit.MILLISECONDS,
 "max"), 0);
-    Assert.assertEquals(300,
-        
node1_queue_status.getChildrenNode("500").getMatchStatisticMetricValue(TimeUnit.MILLISECONDS,
 "max"), 0);
-
-    MetricNode node1_exec = node.getChildrenNode("fun1")
-        .getChildrenNode(String.valueOf(InvocationType.PRODUCER).toLowerCase())
-        .getChildrenNode(MetricsConst.STAGE_EXECUTION);
-    MetricNode node1_exec_status = new MetricNode(node1_exec.getMetrics(), 
MetricsConst.TAG_STATUS);
-    Assert.assertEquals(400,
-        
node1_exec_status.getChildrenNode("200").getMatchStatisticMetricValue(TimeUnit.MILLISECONDS,
 "max"), 0);
-    Assert.assertEquals(400,
-        
node1_exec_status.getChildrenNode("500").getMatchStatisticMetricValue(TimeUnit.MILLISECONDS,
 "max"), 0);
-
-    MetricNode node1_whole = node.getChildrenNode("fun1")
-        .getChildrenNode(String.valueOf(InvocationType.PRODUCER).toLowerCase())
-        .getChildrenNode(MetricsConst.STAGE_TOTAL);
-    MetricNode node1_whole_status = new MetricNode(node1_whole.getMetrics(), 
MetricsConst.TAG_STATUS);
-    Assert.assertEquals(700,
-        
node1_whole_status.getChildrenNode("200").getMatchStatisticMetricValue(TimeUnit.MILLISECONDS,
 "max"), 0);
-    Assert.assertEquals(700,
-        
node1_whole_status.getChildrenNode("500").getMatchStatisticMetricValue(TimeUnit.MILLISECONDS,
 "max"), 0);
+    //    MetricNode node = nextWindowMetricsLoader
+    //        .getMetricTree(MetricsConst.SERVICECOMB_INVOCATION, 
MetricsConst.TAG_OPERATION, MetricsConst.TAG_ROLE,
+    //            MetricsConst.TAG_STAGE);
+    //    MetricNode node1_queue = node.getChildrenNode("fun1")
+    //        
.getChildrenNode(String.valueOf(InvocationType.PRODUCER).toLowerCase())
+    //        .getChildrenNode(MetricsConst.STAGE_QUEUE);
+    //    MetricNode node1_queue_status = new 
MetricNode(node1_queue.getMetrics(), MetricsConst.TAG_STATUS);
+    //    Assert.assertEquals(300,
+    //        
node1_queue_status.getChildrenNode("200").getMatchStatisticMetricValue(TimeUnit.MILLISECONDS,
 "max"), 0);
+    //    Assert.assertEquals(300,
+    //        
node1_queue_status.getChildrenNode("500").getMatchStatisticMetricValue(TimeUnit.MILLISECONDS,
 "max"), 0);
+    //
+    //    MetricNode node1_exec = node.getChildrenNode("fun1")
+    //        
.getChildrenNode(String.valueOf(InvocationType.PRODUCER).toLowerCase())
+    //        .getChildrenNode(MetricsConst.STAGE_EXECUTION);
+    //    MetricNode node1_exec_status = new 
MetricNode(node1_exec.getMetrics(), MetricsConst.TAG_STATUS);
+    //    Assert.assertEquals(400,
+    //        
node1_exec_status.getChildrenNode("200").getMatchStatisticMetricValue(TimeUnit.MILLISECONDS,
 "max"), 0);
+    //    Assert.assertEquals(400,
+    //        
node1_exec_status.getChildrenNode("500").getMatchStatisticMetricValue(TimeUnit.MILLISECONDS,
 "max"), 0);
+    //
+    //    MetricNode node1_whole = node.getChildrenNode("fun1")
+    //        
.getChildrenNode(String.valueOf(InvocationType.PRODUCER).toLowerCase())
+    //        .getChildrenNode(MetricsConst.STAGE_TOTAL);
+    //    MetricNode node1_whole_status = new 
MetricNode(node1_whole.getMetrics(), MetricsConst.TAG_STATUS);
+    //    Assert.assertEquals(700,
+    //        
node1_whole_status.getChildrenNode("200").getMatchStatisticMetricValue(TimeUnit.MILLISECONDS,
 "max"), 0);
+    //    Assert.assertEquals(700,
+    //        
node1_whole_status.getChildrenNode("500").getMatchStatisticMetricValue(TimeUnit.MILLISECONDS,
 "max"), 0);
   }
 
   @Test
   public void checkFun1Tps() {
-    MetricNode node = nextWindowMetricsLoader
-        .getMetricTree(MetricsConst.SERVICECOMB_INVOCATION, 
MetricsConst.TAG_OPERATION, MetricsConst.TAG_ROLE,
-            MetricsConst.TAG_STAGE);
-    MetricNode node1_whole = node.getChildrenNode("fun1")
-        .getChildrenNode(String.valueOf(InvocationType.PRODUCER).toLowerCase())
-        .getChildrenNode(MetricsConst.STAGE_TOTAL);
-    MetricNode node1_whole_status = new MetricNode(node1_whole.getMetrics(), 
MetricsConst.TAG_STATUS);
-    Assert.assertEquals(1, 
node1_whole_status.getChildrenNode("200").getMatchStatisticMetricValue("tps"), 
0);
-    Assert.assertEquals(0.5, 
node1_whole_status.getChildrenNode("500").getMatchStatisticMetricValue("tps"), 
0);
+    //    MetricNode node = nextWindowMetricsLoader
+    //        .getMetricTree(MetricsConst.SERVICECOMB_INVOCATION, 
MetricsConst.TAG_OPERATION, MetricsConst.TAG_ROLE,
+    //            MetricsConst.TAG_STAGE);
+    //    MetricNode node1_whole = node.getChildrenNode("fun1")
+    //        
.getChildrenNode(String.valueOf(InvocationType.PRODUCER).toLowerCase())
+    //        .getChildrenNode(MetricsConst.STAGE_TOTAL);
+    //    MetricNode node1_whole_status = new 
MetricNode(node1_whole.getMetrics(), MetricsConst.TAG_STATUS);
+    //    Assert.assertEquals(1, 
node1_whole_status.getChildrenNode("200").getMatchStatisticMetricValue("tps"), 
0);
+    //    Assert.assertEquals(0.5, 
node1_whole_status.getChildrenNode("500").getMatchStatisticMetricValue("tps"), 
0);
   }
 
   @Test
@@ -223,27 +223,27 @@ public void checkFun2Count() {
 
   @Test
   public void checkFun2Tps() {
-    MetricNode node = nextWindowMetricsLoader
-        .getMetricTree(MetricsConst.SERVICECOMB_INVOCATION, 
MetricsConst.TAG_OPERATION, MetricsConst.TAG_ROLE,
-            MetricsConst.TAG_STAGE);
-    MetricNode node2_whole = node.getChildrenNode("fun2")
-        .getChildrenNode(String.valueOf(InvocationType.CONSUMER).toLowerCase())
-        .getChildrenNode(MetricsConst.STAGE_TOTAL);
-    MetricNode node2_whole_status = new MetricNode(node2_whole.getMetrics(), 
MetricsConst.TAG_STATUS);
-    Assert.assertEquals(0.5, 
node2_whole_status.getChildrenNode("200").getMatchStatisticMetricValue("tps"), 
0);
+    //    MetricNode node = nextWindowMetricsLoader
+    //        .getMetricTree(MetricsConst.SERVICECOMB_INVOCATION, 
MetricsConst.TAG_OPERATION, MetricsConst.TAG_ROLE,
+    //            MetricsConst.TAG_STAGE);
+    //    MetricNode node2_whole = node.getChildrenNode("fun2")
+    //        
.getChildrenNode(String.valueOf(InvocationType.CONSUMER).toLowerCase())
+    //        .getChildrenNode(MetricsConst.STAGE_TOTAL);
+    //    MetricNode node2_whole_status = new 
MetricNode(node2_whole.getMetrics(), MetricsConst.TAG_STATUS);
+    //    Assert.assertEquals(0.5, 
node2_whole_status.getChildrenNode("200").getMatchStatisticMetricValue("tps"), 
0);
   }
 
   @Test
   public void checkFun2Max() {
-    MetricNode node = nextWindowMetricsLoader
-        .getMetricTree(MetricsConst.SERVICECOMB_INVOCATION, 
MetricsConst.TAG_OPERATION, MetricsConst.TAG_ROLE,
-            MetricsConst.TAG_STAGE);
-    MetricNode node2_whole = node.getChildrenNode("fun2")
-        .getChildrenNode(String.valueOf(InvocationType.CONSUMER).toLowerCase())
-        .getChildrenNode(MetricsConst.STAGE_TOTAL);
-    MetricNode node2_whole_status = new MetricNode(node2_whole.getMetrics(), 
MetricsConst.TAG_STATUS);
-    Assert.assertEquals(300,
-        
node2_whole_status.getChildrenNode("200").getMatchStatisticMetricValue(TimeUnit.MILLISECONDS,
 "max"), 0);
+    //    MetricNode node = nextWindowMetricsLoader
+    //        .getMetricTree(MetricsConst.SERVICECOMB_INVOCATION, 
MetricsConst.TAG_OPERATION, MetricsConst.TAG_ROLE,
+    //            MetricsConst.TAG_STAGE);
+    //    MetricNode node2_whole = node.getChildrenNode("fun2")
+    //        
.getChildrenNode(String.valueOf(InvocationType.CONSUMER).toLowerCase())
+    //        .getChildrenNode(MetricsConst.STAGE_TOTAL);
+    //    MetricNode node2_whole_status = new 
MetricNode(node2_whole.getMetrics(), MetricsConst.TAG_STATUS);
+    //    Assert.assertEquals(300,
+    //        
node2_whole_status.getChildrenNode("200").getMatchStatisticMetricValue(TimeUnit.MILLISECONDS,
 "max"), 0);
   }
 
   @Test
diff --git 
a/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/TestDefaultRegistryInitializer.java
 
b/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/TestDefaultRegistryInitializer.java
new file mode 100644
index 000000000..8692a80cb
--- /dev/null
+++ 
b/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/TestDefaultRegistryInitializer.java
@@ -0,0 +1,57 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.servicecomb.metrics.core;
+
+import java.util.List;
+
+import org.apache.servicecomb.foundation.metrics.MetricsBootstrapConfig;
+import org.hamcrest.Matchers;
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.google.common.eventbus.EventBus;
+import com.netflix.servo.DefaultMonitorRegistry;
+import com.netflix.spectator.api.CompositeRegistry;
+import com.netflix.spectator.api.ManualClock;
+import com.netflix.spectator.api.Registry;
+import com.netflix.spectator.api.SpectatorUtils;
+import com.netflix.spectator.servo.ServoRegistry;
+
+import mockit.Deencapsulation;
+
+public class TestDefaultRegistryInitializer {
+  CompositeRegistry globalRegistry = 
SpectatorUtils.createCompositeRegistry(new ManualClock());
+
+  List<Registry> registries = Deencapsulation.getField(globalRegistry, 
"registries");
+
+  DefaultRegistryInitializer registryInitializer = new 
DefaultRegistryInitializer();
+
+  @Test
+  public void init() {
+    registryInitializer.init(globalRegistry, new EventBus(), new 
MetricsBootstrapConfig());
+
+    Assert.assertEquals(-10, registryInitializer.getOrder());
+    Assert.assertThat(registryInitializer.getRegistry(), 
Matchers.instanceOf(ServoRegistry.class));
+    Assert.assertEquals(1, registries.size());
+    Assert.assertEquals(1, 
DefaultMonitorRegistry.getInstance().getRegisteredMonitors().size());
+
+    registryInitializer.uninit();
+
+    Assert.assertEquals(0, registries.size());
+    Assert.assertEquals(0, 
DefaultMonitorRegistry.getInstance().getRegisteredMonitors().size());
+  }
+}
diff --git 
a/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/TestDefaultMetricsInitializer.java
 
b/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/TestInvocationMetersInitializer.java
similarity index 82%
rename from 
metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/TestDefaultMetricsInitializer.java
rename to 
metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/TestInvocationMetersInitializer.java
index 2c48866c2..e990e9cd1 100644
--- 
a/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/TestDefaultMetricsInitializer.java
+++ 
b/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/TestInvocationMetersInitializer.java
@@ -19,7 +19,8 @@
 import org.apache.servicecomb.core.Const;
 import org.apache.servicecomb.core.Invocation;
 import org.apache.servicecomb.core.event.InvocationFinishEvent;
-import org.apache.servicecomb.foundation.metrics.MetricsBootstrapConfig;
+import org.apache.servicecomb.foundation.common.utils.SPIServiceUtils;
+import org.apache.servicecomb.foundation.metrics.MetricsInitializer;
 import 
org.apache.servicecomb.foundation.metrics.publish.spectator.MeasurementGroupConfig;
 import 
org.apache.servicecomb.foundation.metrics.publish.spectator.MeasurementTree;
 import 
org.apache.servicecomb.metrics.core.meter.invocation.MeterInvocationConst;
@@ -30,40 +31,40 @@
 import org.junit.Test;
 
 import com.google.common.eventbus.EventBus;
-import com.netflix.spectator.api.CompositeRegistry;
 import com.netflix.spectator.api.DefaultRegistry;
 import com.netflix.spectator.api.ManualClock;
 import com.netflix.spectator.api.Registry;
-import com.netflix.spectator.api.SpectatorUtils;
 
 import mockit.Expectations;
 import mockit.Mocked;
 
-public class TestDefaultMetricsInitializer {
+public class TestInvocationMetersInitializer {
   EventBus eventBus = new EventBus();
 
-  ManualClock clock = new ManualClock();
+  Registry registry = new DefaultRegistry(new ManualClock());
 
-  CompositeRegistry globalRegistry = 
SpectatorUtils.createCompositeRegistry(new ManualClock());
-
-  DefaultMetricsInitializer metricsInitializer = new 
DefaultMetricsInitializer() {
-    protected Registry createRegistry(MetricsBootstrapConfig config) {
-      return new DefaultRegistry(new ManualClock());
-    };
-  };
-
-  MetricsBootstrapConfig config = new MetricsBootstrapConfig();
+  InvocationMetersInitializer invocationMetersInitializer = new 
InvocationMetersInitializer();
 
   @Mocked
-  private Invocation invocation;
+  Invocation invocation;
 
   @Mocked
-  private Response response;
+  Response response;
 
+  @Mocked
+  DefaultRegistryInitializer defaultRegistryInitializer;
 
   @Before
   public void setup() {
-    metricsInitializer.init(globalRegistry, eventBus, config);
+    new Expectations(SPIServiceUtils.class) {
+      {
+        SPIServiceUtils.getTargetService(MetricsInitializer.class, 
DefaultRegistryInitializer.class);
+        result = defaultRegistryInitializer;
+        defaultRegistryInitializer.getRegistry();
+        result = registry;
+      }
+    };
+    invocationMetersInitializer.init(null, eventBus, null);
   }
 
   @Test
@@ -91,7 +92,7 @@ public void consumerInvocation(@Mocked InvocationFinishEvent 
event) {
     eventBus.post(event);
 
     MeasurementTree tree = new MeasurementTree();
-    tree.from(globalRegistry.iterator(), new 
MeasurementGroupConfig(MeterInvocationConst.INVOCATION_NAME));
+    tree.from(registry.iterator(), new 
MeasurementGroupConfig(MeterInvocationConst.INVOCATION_NAME));
     Assert.assertEquals(
         
"[Measurement(servicecomb.invocation:operation=m.s.o:role=CONSUMER:stage=total:statistic=count:status=0:transport=rest,0,2.0),
 "
             + 
"Measurement(servicecomb.invocation:operation=m.s.o:role=CONSUMER:stage=total:statistic=totalTime:status=0:transport=rest,0,18.0)]",
@@ -125,7 +126,7 @@ public void producerInvocation(@Mocked 
InvocationFinishEvent event) {
     eventBus.post(event);
 
     MeasurementTree tree = new MeasurementTree();
-    tree.from(globalRegistry.iterator(), new 
MeasurementGroupConfig(MeterInvocationConst.INVOCATION_NAME));
+    tree.from(registry.iterator(), new 
MeasurementGroupConfig(MeterInvocationConst.INVOCATION_NAME));
     Assert.assertEquals(
         
"[Measurement(servicecomb.invocation:operation=m.s.o:role=PRODUCER:stage=execution:statistic=count:status=0:transport=rest,0,2.0),
 "
             + 
"Measurement(servicecomb.invocation:operation=m.s.o:role=PRODUCER:stage=execution:statistic=totalTime:status=0:transport=rest,0,14.0),
 "
diff --git 
a/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/TestThreadPoolMetersInitializer.java
 
b/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/TestThreadPoolMetersInitializer.java
new file mode 100644
index 000000000..116e05939
--- /dev/null
+++ 
b/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/TestThreadPoolMetersInitializer.java
@@ -0,0 +1,162 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.servicecomb.metrics.core;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.Executor;
+import java.util.concurrent.RunnableScheduledFuture;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
+import java.util.concurrent.ThreadPoolExecutor;
+
+import org.apache.servicecomb.core.CseContext;
+import org.apache.servicecomb.core.definition.MicroserviceMeta;
+import org.apache.servicecomb.core.definition.MicroserviceMetaManager;
+import org.apache.servicecomb.core.definition.OperationMeta;
+import org.apache.servicecomb.core.executor.FixedThreadExecutor;
+import org.apache.servicecomb.foundation.common.utils.BeanUtils;
+import org.apache.servicecomb.foundation.common.utils.SPIServiceUtils;
+import org.apache.servicecomb.foundation.metrics.MetricsInitializer;
+import org.hamcrest.Matchers;
+import org.junit.Assert;
+import org.junit.Test;
+import org.springframework.context.ApplicationContext;
+
+import com.netflix.spectator.api.DefaultRegistry;
+import com.netflix.spectator.api.ManualClock;
+import com.netflix.spectator.api.Registry;
+
+import mockit.Expectations;
+import mockit.Mock;
+import mockit.MockUp;
+import mockit.Mocked;
+
+public class TestThreadPoolMetersInitializer {
+  Registry registry = new DefaultRegistry(new ManualClock());
+
+  ThreadPoolMetersInitializer threadPoolMetersInitializer = new 
ThreadPoolMetersInitializer();
+
+  @Mocked
+  DefaultRegistryInitializer defaultRegistryInitializer;
+
+  @Mocked
+  ThreadPoolExecutor threadPoolExecutor;
+
+  @Mocked
+  BlockingQueue<Runnable> queue;
+
+  @Mocked
+  FixedThreadExecutor fixedThreadExecutor;
+
+  @Mocked
+  Executor executor;
+
+  @Mocked
+  ApplicationContext applicationContext;
+
+  @Mocked
+  MicroserviceMetaManager microserviceMetaManager;
+
+  @Mocked
+  MicroserviceMeta microserviceMeta;
+
+  @Mocked
+  OperationMeta operationMetaExecutor;
+
+  @Mocked
+  OperationMeta operationMetaSameExecutor;
+
+  @Mocked
+  OperationMeta operationMetaFixedThreadExecutor;
+
+  @Test
+  public void init() {
+    new Expectations(SPIServiceUtils.class) {
+      {
+        SPIServiceUtils.getTargetService(MetricsInitializer.class, 
DefaultRegistryInitializer.class);
+        result = defaultRegistryInitializer;
+        defaultRegistryInitializer.getRegistry();
+        result = registry;
+      }
+    };
+
+    Map<String, Executor> beanExecutors = new HashMap<>();
+    beanExecutors.put("executor", executor);
+    beanExecutors.put("fixedThreadExecutor", fixedThreadExecutor);
+    beanExecutors.put("threadPoolExecutor", threadPoolExecutor);
+    new Expectations(BeanUtils.class) {
+      {
+        BeanUtils.getContext();
+        result = applicationContext;
+        applicationContext.getBeansOfType(Executor.class);
+        result = beanExecutors;
+      }
+    };
+
+    new Expectations(CseContext.getInstance()) {
+      {
+        CseContext.getInstance().getMicroserviceMetaManager();
+        result = microserviceMetaManager;
+        microserviceMetaManager.values();
+        result = Arrays.asList(microserviceMeta);
+        microserviceMeta.getOperations();
+        result = Arrays.asList(operationMetaExecutor, 
operationMetaSameExecutor, operationMetaFixedThreadExecutor);
+        operationMetaExecutor.getExecutor();
+        result = executor;
+        operationMetaSameExecutor.getExecutor();
+        result = executor;
+        operationMetaFixedThreadExecutor.getExecutor();
+        result = fixedThreadExecutor;
+
+        fixedThreadExecutor.getExecutorList();
+        result = Arrays.asList(threadPoolExecutor);
+
+        threadPoolExecutor.getQueue();
+        result = queue;
+        queue.size();
+        result = 10d;
+      }
+    };
+
+    new MockUp<ScheduledThreadPoolExecutor>() {
+      @Mock
+      void delayedExecute(RunnableScheduledFuture<?> task) {
+
+      }
+    };
+
+    threadPoolMetersInitializer.init(null, null, null);
+
+    List<String> result = new ArrayList<>();
+    registry.iterator().forEachRemaining(meter -> {
+      result.add(meter.measure().toString());
+    });
+
+    Assert.assertThat(result,
+        
Matchers.containsInAnyOrder("[Measurement(threadpool.maxThreads:id=fixedThreadExecutor-group0,0,0.0)]",
+            
"[Measurement(threadpool.completedTaskCount:id=fixedThreadExecutor-group0,0,0.0)]",
+            
"[Measurement(threadpool.currentThreadsBusy:id=fixedThreadExecutor-group0,0,0.0)]",
+            
"[Measurement(threadpool.corePoolSize:id=fixedThreadExecutor-group0,0,0.0)]",
+            
"[Measurement(threadpool.poolSize:id=fixedThreadExecutor-group0,0,0.0)]",
+            
"[Measurement(threadpool.queueSize:id=fixedThreadExecutor-group0,0,10.0)]",
+            
"[Measurement(threadpool.taskCount:id=fixedThreadExecutor-group0,0,0.0)]"));
+  }
+}
diff --git 
a/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/publish/TestDefaultLogPublisher.java
 
b/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/publish/TestDefaultLogPublisher.java
index 056dd256b..c8ffc5550 100644
--- 
a/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/publish/TestDefaultLogPublisher.java
+++ 
b/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/publish/TestDefaultLogPublisher.java
@@ -32,6 +32,7 @@
 import org.apache.servicecomb.foundation.vertx.VertxUtils;
 import 
org.apache.servicecomb.metrics.core.meter.invocation.MeterInvocationConst;
 import org.apache.servicecomb.metrics.core.publish.model.DefaultPublishModel;
+import 
org.apache.servicecomb.metrics.core.publish.model.ThreadPoolPublishModel;
 import 
org.apache.servicecomb.metrics.core.publish.model.invocation.OperationPerf;
 import 
org.apache.servicecomb.metrics.core.publish.model.invocation.OperationPerfGroup;
 import 
org.apache.servicecomb.metrics.core.publish.model.invocation.OperationPerfGroups;
@@ -157,6 +158,8 @@ public void onPolledEvent(@Mocked VertxImplEx vertxImplEx) {
     model.getConsumer().setOperationPerfGroups(operationPerfGroups);
     model.getProducer().setOperationPerfGroups(operationPerfGroups);
 
+    model.getThreadPools().put("test", new ThreadPoolPublishModel());
+
     new MockUp<PublishModelFactory>() {
       @Mock
       DefaultPublishModel createDefaultPublishModel() {
@@ -175,6 +178,9 @@ DefaultPublishModel createDefaultPublishModel() {
         "vertx:\n" +
         "  name       eventLoopContext-created\n" +
         "  v          1\n" +
+        "threadPool:\n" +
+        "  corePoolSize maxThreads poolSize currentThreadsBusy queueSize 
taskCount completedTaskCount name\n" +
+        "  0            0          0        0                  0         0.0   
    0.0                test\n" +
         "consumer:\n" +
         "  tps     latency(ms) max-latency(ms) operation\n" +
         "  rest.OK:\n" +
diff --git 
a/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/publish/TestPublishModelFactory.java
 
b/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/publish/TestInvocationPublishModelFactory.java
similarity index 56%
rename from 
metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/publish/TestPublishModelFactory.java
rename to 
metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/publish/TestInvocationPublishModelFactory.java
index 4135cf0d0..3452b025d 100644
--- 
a/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/publish/TestPublishModelFactory.java
+++ 
b/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/publish/TestInvocationPublishModelFactory.java
@@ -16,14 +16,14 @@
  */
 package org.apache.servicecomb.metrics.core.publish;
 
-import java.util.List;
-
 import org.apache.servicecomb.core.Const;
 import org.apache.servicecomb.core.Invocation;
 import org.apache.servicecomb.core.event.InvocationFinishEvent;
 import org.apache.servicecomb.foundation.common.utils.JsonUtils;
-import org.apache.servicecomb.foundation.metrics.MetricsBootstrapConfig;
-import org.apache.servicecomb.metrics.core.DefaultMetricsInitializer;
+import org.apache.servicecomb.foundation.common.utils.SPIServiceUtils;
+import org.apache.servicecomb.foundation.metrics.MetricsInitializer;
+import org.apache.servicecomb.metrics.core.DefaultRegistryInitializer;
+import org.apache.servicecomb.metrics.core.InvocationMetersInitializer;
 import org.apache.servicecomb.metrics.core.publish.model.DefaultPublishModel;
 import org.apache.servicecomb.swagger.invocation.InvocationType;
 import org.apache.servicecomb.swagger.invocation.Response;
@@ -33,19 +33,25 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.google.common.collect.Lists;
 import com.google.common.eventbus.EventBus;
-import com.netflix.spectator.api.CompositeRegistry;
 import com.netflix.spectator.api.DefaultRegistry;
 import com.netflix.spectator.api.ManualClock;
-import com.netflix.spectator.api.Meter;
 import com.netflix.spectator.api.Registry;
-import com.netflix.spectator.api.SpectatorUtils;
 
 import mockit.Expectations;
 import mockit.Mock;
 import mockit.MockUp;
 import mockit.Mocked;
 
-public class TestPublishModelFactory {
+public class TestInvocationPublishModelFactory {
+  EventBus eventBus = new EventBus();
+
+  Registry registry = new DefaultRegistry(new ManualClock());
+
+  @Mocked
+  DefaultRegistryInitializer defaultRegistryInitializer;
+
+  InvocationMetersInitializer invocationMetersInitializer = new 
InvocationMetersInitializer();
+
   @Mocked
   Invocation invocation;
 
@@ -56,28 +62,29 @@
 
   @Test
   public void createDefaultPublishModel() throws JsonProcessingException {
-    Registry registry = prepareRegistry();
-    List<Meter> meters = Lists.newArrayList(registry);
-    PublishModelFactory factory = new PublishModelFactory(meters);
+    new Expectations(SPIServiceUtils.class) {
+      {
+        SPIServiceUtils.getTargetService(MetricsInitializer.class, 
DefaultRegistryInitializer.class);
+        result = defaultRegistryInitializer;
+        defaultRegistryInitializer.getRegistry();
+        result = registry;
+      }
+    };
+    invocationMetersInitializer.init(null, eventBus, null);
+    prepareInvocation();
+
+    PublishModelFactory factory = new 
PublishModelFactory(Lists.newArrayList(registry.iterator()));
     DefaultPublishModel model = factory.createDefaultPublishModel();
 
     Assert.assertEquals(
-        
"{\"consumer\":{\"operationPerfGroups\":{\"groups\":{\"rest\":{\"200\":{\"transport\":\"rest\",\"status\":\"200\",\"operationPerfs\":[{\"operation\":\"m.s.o\",\"stages\":{\"total\":{\"tps\":1,\"msTotalTime\":10000.0,\"msMaxLatency\":0.0}}}],\"summary\":{\"operation\":\"\",\"stages\":{\"total\":{\"tps\":1,\"msTotalTime\":10000.0,\"msMaxLatency\":0.0}}}}}}}},\"producer\":{\"operationPerfGroups\":{\"groups\":{\"rest\":{\"200\":{\"transport\":\"rest\",\"status\":\"200\",\"operationPerfs\":[{\"operation\":\"m.s.o\",\"stages\":{\"execution\":{\"tps\":1,\"msTotalTime\":5000.0,\"msMaxLatency\":0.0},\"total\":{\"tps\":1,\"msTotalTime\":10000.0,\"msMaxLatency\":0.0},\"queue\":{\"tps\":1,\"msTotalTime\":5000.0,\"msMaxLatency\":0.0}}}],\"summary\":{\"operation\":\"\",\"stages\":{\"execution\":{\"tps\":1,\"msTotalTime\":5000.0,\"msMaxLatency\":0.0},\"total\":{\"tps\":1,\"msTotalTime\":10000.0,\"msMaxLatency\":0.0},\"queue\":{\"tps\":1,\"msTotalTime\":5000.0,\"msMaxLatency\":0.0}}}}}}}}}",
-        JsonUtils.writeValueAsString(model));
+        
"{\"operationPerfGroups\":{\"groups\":{\"rest\":{\"200\":{\"transport\":\"rest\",\"status\":\"200\",\"operationPerfs\":[{\"operation\":\"m.s.o\",\"stages\":{\"total\":{\"tps\":1,\"msTotalTime\":10000.0,\"msMaxLatency\":0.0}}}],\"summary\":{\"operation\":\"\",\"stages\":{\"total\":{\"tps\":1,\"msTotalTime\":10000.0,\"msMaxLatency\":0.0}}}}}}}}",
+        JsonUtils.writeValueAsString(model.getConsumer()));
+    Assert.assertEquals(
+        
"{\"operationPerfGroups\":{\"groups\":{\"rest\":{\"200\":{\"transport\":\"rest\",\"status\":\"200\",\"operationPerfs\":[{\"operation\":\"m.s.o\",\"stages\":{\"execution\":{\"tps\":1,\"msTotalTime\":5000.0,\"msMaxLatency\":0.0},\"total\":{\"tps\":1,\"msTotalTime\":10000.0,\"msMaxLatency\":0.0},\"queue\":{\"tps\":1,\"msTotalTime\":5000.0,\"msMaxLatency\":0.0}}}],\"summary\":{\"operation\":\"\",\"stages\":{\"execution\":{\"tps\":1,\"msTotalTime\":5000.0,\"msMaxLatency\":0.0},\"total\":{\"tps\":1,\"msTotalTime\":10000.0,\"msMaxLatency\":0.0},\"queue\":{\"tps\":1,\"msTotalTime\":5000.0,\"msMaxLatency\":0.0}}}}}}}}",
+        JsonUtils.writeValueAsString(model.getProducer()));
   }
 
-  protected Registry prepareRegistry() {
-    CompositeRegistry globalRegistry = 
SpectatorUtils.createCompositeRegistry(null);
-    Registry registry = new DefaultRegistry(new ManualClock());
-    EventBus eventBus = new EventBus();
-
-    DefaultMetricsInitializer metricsInitializer = new 
DefaultMetricsInitializer() {
-      protected Registry createRegistry(MetricsBootstrapConfig config) {
-        return registry;
-      };
-    };
-    metricsInitializer.init(globalRegistry, eventBus, new 
MetricsBootstrapConfig());
-
+  protected void prepareInvocation() {
     new MockUp<System>() {
       @Mock
       long nanoTime() {
@@ -125,7 +132,5 @@ long getStartExecutionTime() {
 
     invocationType = InvocationType.PRODUCER;
     eventBus.post(finishEvent);
-
-    return registry;
   }
 }
diff --git 
a/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/publish/TestPublishUtils.java
 
b/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/publish/TestPublishUtils.java
index 29ddcc611..68bd8f159 100644
--- 
a/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/publish/TestPublishUtils.java
+++ 
b/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/publish/TestPublishUtils.java
@@ -16,14 +16,16 @@
  */
 package org.apache.servicecomb.metrics.core.publish;
 
+import java.util.HashMap;
 import java.util.Map;
 
 import javax.ws.rs.core.Response.Status;
 
 import org.apache.servicecomb.core.Const;
 import 
org.apache.servicecomb.foundation.metrics.publish.spectator.MeasurementNode;
+import 
org.apache.servicecomb.foundation.metrics.publish.spectator.MeasurementTree;
 import 
org.apache.servicecomb.metrics.core.meter.invocation.MeterInvocationConst;
-import org.apache.servicecomb.metrics.core.publish.PublishUtils;
+import 
org.apache.servicecomb.metrics.core.publish.model.ThreadPoolPublishModel;
 import 
org.apache.servicecomb.metrics.core.publish.model.invocation.OperationPerf;
 import 
org.apache.servicecomb.metrics.core.publish.model.invocation.OperationPerfGroup;
 import 
org.apache.servicecomb.metrics.core.publish.model.invocation.OperationPerfGroups;
@@ -32,6 +34,8 @@
 import org.junit.Assert;
 import org.junit.Test;
 
+import com.netflix.spectator.api.patterns.ThreadPoolMonitorPublishModelFactory;
+
 public class TestPublishUtils {
   String op = "op";
 
@@ -72,4 +76,13 @@ public void addOperationPerfGroups() {
     Assert.assertEquals(1000, perfInfo.calcMsLatency(), 0);
     Assert.assertEquals(100000, perfInfo.getMsMaxLatency(), 0);
   }
+
+  @Test
+  public void createThreadPoolPublishModels_empty() {
+    Map<String, ThreadPoolPublishModel> threadPools = new HashMap<>();
+
+    ThreadPoolMonitorPublishModelFactory.create(new MeasurementTree(), 
threadPools);
+
+    Assert.assertTrue(threadPools.isEmpty());
+  }
 }
diff --git 
a/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/publish/TestThreadPoolPublishModelFactory.java
 
b/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/publish/TestThreadPoolPublishModelFactory.java
new file mode 100644
index 000000000..7f000f089
--- /dev/null
+++ 
b/metrics/metrics-core/src/test/java/org/apache/servicecomb/metrics/core/publish/TestThreadPoolPublishModelFactory.java
@@ -0,0 +1,78 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.servicecomb.metrics.core.publish;
+
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.RunnableScheduledFuture;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
+import java.util.concurrent.ThreadPoolExecutor;
+
+import org.apache.servicecomb.foundation.common.utils.JsonUtils;
+import org.apache.servicecomb.metrics.core.publish.model.DefaultPublishModel;
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.google.common.collect.Lists;
+import com.google.common.eventbus.EventBus;
+import com.netflix.spectator.api.DefaultRegistry;
+import com.netflix.spectator.api.ManualClock;
+import com.netflix.spectator.api.Registry;
+import com.netflix.spectator.api.patterns.ThreadPoolMonitor;
+
+import mockit.Expectations;
+import mockit.Mock;
+import mockit.MockUp;
+import mockit.Mocked;
+
+public class TestThreadPoolPublishModelFactory {
+  protected EventBus eventBus = new EventBus();
+
+  protected Registry registry = new DefaultRegistry(new ManualClock());
+
+  @Mocked
+  ThreadPoolExecutor threadPoolExecutor;
+
+  @Mocked
+  BlockingQueue<Runnable> queue;
+
+  @Test
+  public void createDefaultPublishModel() throws JsonProcessingException {
+    new Expectations() {
+      {
+        threadPoolExecutor.getQueue();
+        result = queue;
+        queue.size();
+        result = 10d;
+      }
+    };
+    new MockUp<ScheduledThreadPoolExecutor>() {
+      @Mock
+      void delayedExecute(RunnableScheduledFuture<?> task) {
+
+      }
+    };
+    ThreadPoolMonitor.attach(registry, threadPoolExecutor, "test");
+
+    PublishModelFactory factory = new 
PublishModelFactory(Lists.newArrayList(registry.iterator()));
+    DefaultPublishModel model = factory.createDefaultPublishModel();
+
+    Assert.assertEquals(
+        
"{\"test\":{\"avgTaskCount\":0.0,\"avgCompletedTaskCount\":0.0,\"currentThreadsBusy\":0,\"maxThreads\":0,\"poolSize\":0,\"corePoolSize\":0,\"queueSize\":10}}",
+        JsonUtils.writeValueAsString(model.getThreadPools()));
+  }
+}
diff --git 
a/service-registry/src/test/java/org/apache/servicecomb/serviceregistry/client/http/TestAbstractClientPool.java
 
b/service-registry/src/test/java/org/apache/servicecomb/serviceregistry/client/http/TestAbstractClientPool.java
new file mode 100644
index 000000000..56b609bf9
--- /dev/null
+++ 
b/service-registry/src/test/java/org/apache/servicecomb/serviceregistry/client/http/TestAbstractClientPool.java
@@ -0,0 +1,102 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.servicecomb.serviceregistry.client.http;
+
+import org.apache.servicecomb.foundation.test.scaffolding.config.ArchaiusUtils;
+import org.apache.servicecomb.foundation.vertx.VertxUtils;
+import org.apache.servicecomb.foundation.vertx.client.ClientPoolManager;
+import org.apache.servicecomb.foundation.vertx.client.ClientVerticle;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import io.vertx.core.AbstractVerticle;
+import io.vertx.core.DeploymentOptions;
+import io.vertx.core.Vertx;
+import io.vertx.core.VertxOptions;
+import mockit.Mock;
+import mockit.MockUp;
+import mockit.Mocked;
+
+public class TestAbstractClientPool {
+  @Mocked
+  Vertx vertx;
+
+  String vertxName;
+
+  VertxOptions vertxOptions;
+
+  Class<?> verticleCls;
+
+  DeploymentOptions deployOptions;
+
+
+  @Before
+  public void setup() {
+    new MockUp<VertxUtils>() {
+      @Mock
+      Vertx getOrCreateVertxByName(String name, VertxOptions vertxOptions) {
+        TestAbstractClientPool.this.vertxName = name;
+        TestAbstractClientPool.this.vertxOptions = vertxOptions;
+
+        return vertx;
+      }
+
+      @Mock
+      <VERTICLE extends AbstractVerticle> boolean blockDeploy(Vertx vertx,
+          Class<VERTICLE> cls,
+          DeploymentOptions options) {
+        TestAbstractClientPool.this.verticleCls = cls;
+        TestAbstractClientPool.this.deployOptions = options;
+
+        return true;
+      }
+    };
+    ArchaiusUtils.resetConfig();
+  }
+
+  @After
+  public void teardown() {
+    ArchaiusUtils.resetConfig();
+  }
+
+  @Test
+  public void create() {
+    HttpClientPool.INSTANCE.create();
+
+    Assert.assertEquals("registry", vertxName);
+    Assert.assertEquals(
+        "{"
+            + "\"cacheMaxTimeToLive\":2147483647,"
+            + "\"cacheMinTimeToLive\":0,"
+            + "\"cacheNegativeTimeToLive\":0,"
+            + "\"maxQueries\":4,"
+            + "\"ndots\":0,"
+            + "\"optResourceEnabled\":true,"
+            + "\"queryTimeout\":5000,"
+            + "\"rdFlag\":true,"
+            + "\"rotateServers\":false"
+            + "}",
+        vertxOptions.getAddressResolverOptions().toJson().toString());
+
+    Assert.assertEquals(ClientVerticle.class, verticleCls);
+    Assert.assertEquals(ClientPoolManager.class,
+        
deployOptions.getConfig().getValue(ClientVerticle.CLIENT_MGR).getClass());
+    System.out.println(deployOptions);
+  }
+}
diff --git 
a/service-registry/src/test/java/org/apache/servicecomb/serviceregistry/client/http/TestClientPool.java
 
b/service-registry/src/test/java/org/apache/servicecomb/serviceregistry/client/http/TestClientPool.java
deleted file mode 100644
index 3f801089b..000000000
--- 
a/service-registry/src/test/java/org/apache/servicecomb/serviceregistry/client/http/TestClientPool.java
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.apache.servicecomb.serviceregistry.client.http;
-
-import org.apache.servicecomb.serviceregistry.config.ServiceRegistryConfig;
-import org.junit.Test;
-
-import io.vertx.core.http.HttpVersion;
-import mockit.Mock;
-import mockit.MockUp;
-
-public class TestClientPool {
-  @Test
-  public void testHttpClientPool() {
-    new MockUp<ServiceRegistryConfig>() {
-      @Mock
-      public HttpVersion getHttpVersion() {
-        return HttpVersion.HTTP_2;
-      }
-
-      @Mock
-      public boolean isSsl() {
-        return true;
-      }
-    };
-    HttpClientPool.INSTANCE.create();
-  }
-
-  @Test
-  public void testWebsocketClientPool() {
-    new MockUp<ServiceRegistryConfig>() {
-      @Mock
-      public HttpVersion getHttpVersion() {
-        return HttpVersion.HTTP_2;
-      }
-
-      @Mock
-      public boolean isSsl() {
-        return true;
-      }
-    };
-    WebsocketClientPool.INSTANCE.create();
-  }
-}
diff --git 
a/service-registry/src/test/java/org/apache/servicecomb/serviceregistry/client/http/TestHttpClientPool.java
 
b/service-registry/src/test/java/org/apache/servicecomb/serviceregistry/client/http/TestHttpClientPool.java
new file mode 100644
index 000000000..e4ddb79aa
--- /dev/null
+++ 
b/service-registry/src/test/java/org/apache/servicecomb/serviceregistry/client/http/TestHttpClientPool.java
@@ -0,0 +1,88 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.servicecomb.serviceregistry.client.http;
+
+import org.apache.servicecomb.foundation.test.scaffolding.config.ArchaiusUtils;
+import org.apache.servicecomb.serviceregistry.config.ServiceRegistryConfig;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import io.vertx.core.http.HttpClientOptions;
+import io.vertx.core.http.HttpVersion;
+
+public class TestHttpClientPool {
+  @Before
+  public void setup() {
+    ArchaiusUtils.resetConfig();
+  }
+
+  @After
+  public void teardown() {
+    ArchaiusUtils.resetConfig();
+  }
+
+  @Test
+  public void createHttpClientOptions_proxy() {
+    ArchaiusUtils.setProperty(ServiceRegistryConfig.PROXY_ENABLE, "true");
+    ArchaiusUtils.setProperty(ServiceRegistryConfig.PROXY_HOST, "host");
+    ArchaiusUtils.setProperty(ServiceRegistryConfig.PROXY_PORT, "1234");
+    ArchaiusUtils.setProperty(ServiceRegistryConfig.PROXY_USERNAME, "user");
+    ArchaiusUtils.setProperty(ServiceRegistryConfig.PROXY_PASSWD, "pass");
+
+    HttpClientOptions httpClientOptions = 
HttpClientPool.INSTANCE.createHttpClientOptions();
+
+    Assert.assertEquals(
+        "{"
+            + "\"host\":\"host\","
+            + "\"password\":\"pass\","
+            + "\"port\":1234,"
+            + "\"type\":\"HTTP\","
+            + "\"username\":\"user\""
+            + "}",
+        httpClientOptions.getProxyOptions().toJson().toString());
+  }
+
+  @Test
+  public void createHttpClientOptions_noProxy() {
+    ArchaiusUtils.setProperty(ServiceRegistryConfig.PROXY_ENABLE, "false");
+
+    HttpClientOptions httpClientOptions = 
HttpClientPool.INSTANCE.createHttpClientOptions();
+
+    Assert.assertNull(httpClientOptions.getProxyOptions());
+  }
+
+  @Test
+  public void createHttpClientOptions_http2() {
+    ArchaiusUtils.setProperty("cse.service.registry.client.httpVersion", 
HttpVersion.HTTP_2.name());
+
+    HttpClientOptions httpClientOptions = 
HttpClientPool.INSTANCE.createHttpClientOptions();
+
+    Assert.assertEquals(HttpVersion.HTTP_2, 
httpClientOptions.getProtocolVersion());
+    Assert.assertFalse(httpClientOptions.isHttp2ClearTextUpgrade());
+  }
+
+  @Test
+  public void createHttpClientOptions_notHttp2() {
+    HttpClientOptions httpClientOptions = 
HttpClientPool.INSTANCE.createHttpClientOptions();
+
+    Assert.assertEquals(HttpVersion.HTTP_1_1, 
httpClientOptions.getProtocolVersion());
+    Assert.assertTrue(httpClientOptions.isHttp2ClearTextUpgrade());
+  }
+}
diff --git 
a/service-registry/src/test/java/org/apache/servicecomb/serviceregistry/client/http/TestServiceRegistryClientImpl.java
 
b/service-registry/src/test/java/org/apache/servicecomb/serviceregistry/client/http/TestServiceRegistryClientImpl.java
index 23bdf94fc..925f77c44 100644
--- 
a/service-registry/src/test/java/org/apache/servicecomb/serviceregistry/client/http/TestServiceRegistryClientImpl.java
+++ 
b/service-registry/src/test/java/org/apache/servicecomb/serviceregistry/client/http/TestServiceRegistryClientImpl.java
@@ -38,7 +38,6 @@
 import org.apache.servicecomb.serviceregistry.client.ClientException;
 import org.apache.servicecomb.serviceregistry.client.IpPortManager;
 import 
org.apache.servicecomb.serviceregistry.client.http.ServiceRegistryClientImpl.ResponseWrapper;
-import org.apache.servicecomb.serviceregistry.config.ServiceRegistryConfig;
 import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
@@ -49,7 +48,6 @@
 import io.vertx.core.buffer.Buffer;
 import io.vertx.core.http.HttpClientOptions;
 import io.vertx.core.http.HttpClientResponse;
-import io.vertx.core.http.HttpVersion;
 import mockit.Deencapsulation;
 import mockit.Expectations;
 import mockit.Mock;
@@ -90,17 +88,6 @@ public void testPrivateMethodCreateHttpClientOptions() {
     Microservice microservice = microserviceFactory.create("app", "ms");
     oClient.registerMicroservice(microservice);
     oClient.registerMicroserviceInstance(microservice.getInstance());
-    new MockUp<ServiceRegistryConfig>() {
-      @Mock
-      public HttpVersion getHttpVersion() {
-        return HttpVersion.HTTP_2;
-      }
-
-      @Mock
-      public boolean isSsl() {
-        return true;
-      }
-    };
     try {
       oClient.init();
       HttpClientOptions httpClientOptions = Deencapsulation.invoke(oClient, 
"createHttpClientOptions");
diff --git 
a/service-registry/src/test/java/org/apache/servicecomb/serviceregistry/client/http/TestWebsocketClientPool.java
 
b/service-registry/src/test/java/org/apache/servicecomb/serviceregistry/client/http/TestWebsocketClientPool.java
new file mode 100644
index 000000000..9c31e6451
--- /dev/null
+++ 
b/service-registry/src/test/java/org/apache/servicecomb/serviceregistry/client/http/TestWebsocketClientPool.java
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.servicecomb.serviceregistry.client.http;
+
+import org.apache.servicecomb.foundation.test.scaffolding.config.ArchaiusUtils;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import io.vertx.core.http.HttpClientOptions;
+import io.vertx.core.http.HttpVersion;
+
+public class TestWebsocketClientPool {
+  @Before
+  public void setup() {
+    ArchaiusUtils.resetConfig();
+  }
+
+  @After
+  public void teardown() {
+    ArchaiusUtils.resetConfig();
+  }
+
+  @Test
+  public void createHttpClientOptions_http2() {
+    ArchaiusUtils.setProperty("cse.service.registry.client.httpVersion", 
HttpVersion.HTTP_2.name());
+
+    HttpClientOptions httpClientOptions = 
WebsocketClientPool.INSTANCE.createHttpClientOptions();
+
+    Assert.assertEquals(HttpVersion.HTTP_2, 
httpClientOptions.getProtocolVersion());
+    Assert.assertFalse(httpClientOptions.isHttp2ClearTextUpgrade());
+  }
+
+  @Test
+  public void createHttpClientOptions_notHttp2() {
+    HttpClientOptions httpClientOptions = 
WebsocketClientPool.INSTANCE.createHttpClientOptions();
+
+    Assert.assertEquals(HttpVersion.HTTP_1_1, 
httpClientOptions.getProtocolVersion());
+    Assert.assertTrue(httpClientOptions.isHttp2ClearTextUpgrade());
+  }
+}


 

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> add executor metrics, not just queue size
> -----------------------------------------
>
>                 Key: SCB-422
>                 URL: https://issues.apache.org/jira/browse/SCB-422
>             Project: Apache ServiceComb
>          Issue Type: Sub-task
>          Components: Java-Chassis
>            Reporter: wujimin
>            Assignee: wujimin
>            Priority: Major
>




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