[ISSUE #16]Use an object pool to manage DefaultMQAdminExt objects. (#17)

* [ISSUE #16]Use an object pool to manage DefaultMQAdminExt objects. * Modify the code * Optimize the code Co-authored-by: zhangjidi2016 <zhangjidi@cmss.chinamobile.com>
2026-02-21 04:45:41 +08:00 · 2021-09-09 00:13:44 +08:00
parent 5b2a027cd8
commit 975449e268
19 changed files with 393 additions and 146 deletions
--- a/src/main/java/org/apache/rocketmq/dashboard/App.java
+++ b/src/main/java/org/apache/rocketmq/dashboard/App.java
@@ -19,11 +19,14 @@ package org.apache.rocketmq.dashboard;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.web.servlet.ServletComponentScan;
+import org.springframework.context.annotation.EnableMBeanExport;
+import org.springframework.jmx.support.RegistrationPolicy;
 import org.springframework.scheduling.annotation.EnableScheduling;

@SpringBootApplication
@EnableScheduling
@ServletComponentScan
+@EnableMBeanExport(registration = RegistrationPolicy.IGNORE_EXISTING)
 public class App {

    public static void main(String[] args) {
--- a/src/main/java/org/apache/rocketmq/dashboard/admin/MQAdminFactory.java
+++ b/src/main/java/org/apache/rocketmq/dashboard/admin/MQAdminFactory.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.rocketmq.dashboard.admin;
+
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.rocketmq.acl.common.AclClientRPCHook;
+import org.apache.rocketmq.acl.common.SessionCredentials;
+import org.apache.rocketmq.dashboard.config.RMQConfigure;
+import org.apache.rocketmq.remoting.RPCHook;
+import org.apache.rocketmq.tools.admin.DefaultMQAdminExt;
+import org.apache.rocketmq.tools.admin.MQAdminExt;
+
+@Slf4j
+public class MQAdminFactory {
+    private RMQConfigure rmqConfigure;
+
+    public MQAdminFactory(RMQConfigure rmqConfigure) {
+        this.rmqConfigure = rmqConfigure;
+    }
+
+    public MQAdminExt getInstance() throws Exception {
+        RPCHook rpcHook = null;
+        final String accessKey = rmqConfigure.getAccessKey();
+        final String secretKey = rmqConfigure.getSecretKey();
+        boolean isEnableAcl = StringUtils.isNotEmpty(accessKey) && StringUtils.isNotEmpty(secretKey);
+        if (isEnableAcl) {
+            rpcHook = new AclClientRPCHook(new SessionCredentials(accessKey, secretKey));
+        }
+        DefaultMQAdminExt mqAdminExt = null;
+        if (rmqConfigure.getTimeoutMillis() == null) {
+            mqAdminExt = new DefaultMQAdminExt(rpcHook);
+        } else {
+            mqAdminExt = new DefaultMQAdminExt(rpcHook, rmqConfigure.getTimeoutMillis());
+        }
+        mqAdminExt.setVipChannelEnabled(Boolean.parseBoolean(rmqConfigure.getIsVIPChannel()));
+        mqAdminExt.setUseTLS(rmqConfigure.isUseTLS());
+        mqAdminExt.setInstanceName(Long.toString(System.currentTimeMillis()));
+        mqAdminExt.start();
+        log.info("create MQAdmin instance {} success.", mqAdminExt);
+        return mqAdminExt;
+    }
+}
--- a/src/main/java/org/apache/rocketmq/dashboard/admin/MQAdminPooledObjectFactory.java
+++ b/src/main/java/org/apache/rocketmq/dashboard/admin/MQAdminPooledObjectFactory.java
@@ -0,0 +1,79 @@
+/*
+ * 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.rocketmq.dashboard.admin;
+
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.collections.MapUtils;
+import org.apache.commons.pool2.PooledObject;
+import org.apache.commons.pool2.PooledObjectFactory;
+import org.apache.commons.pool2.impl.DefaultPooledObject;
+import org.apache.rocketmq.common.protocol.body.ClusterInfo;
+import org.apache.rocketmq.tools.admin.MQAdminExt;
+
+@Slf4j
+public class MQAdminPooledObjectFactory implements PooledObjectFactory<MQAdminExt> {
+
+    private MQAdminFactory mqAdminFactory;
+
+    @Override
+    public PooledObject<MQAdminExt> makeObject() throws Exception {
+        DefaultPooledObject<MQAdminExt> pooledObject = new DefaultPooledObject<>(
+            mqAdminFactory.getInstance());
+        return pooledObject;
+    }
+
+    @Override
+    public void destroyObject(PooledObject<MQAdminExt> p) {
+        MQAdminExt mqAdmin = p.getObject();
+        if (mqAdmin != null) {
+            try {
+                mqAdmin.shutdown();
+            } catch (Exception e) {
+                log.warn("MQAdminExt shutdown err", e);
+            }
+        }
+        log.info("destroy object {}", p.getObject());
+    }
+
+    @Override
+    public boolean validateObject(PooledObject<MQAdminExt> p) {
+        MQAdminExt mqAdmin = p.getObject();
+        ClusterInfo clusterInfo = null;
+        try {
+            clusterInfo = mqAdmin.examineBrokerClusterInfo();
+        } catch (Exception e) {
+            log.warn("validate object {} err", p.getObject(), e);
+        }
+        if (clusterInfo == null || MapUtils.isEmpty(clusterInfo.getBrokerAddrTable())) {
+            log.warn("validateObject failed, clusterInfo = {}", clusterInfo);
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public void activateObject(PooledObject<MQAdminExt> p) {
+    }
+
+    @Override
+    public void passivateObject(PooledObject<MQAdminExt> p) {
+    }
+
+    public void setMqAdminFactory(MQAdminFactory mqAdminFactory) {
+        this.mqAdminFactory = mqAdminFactory;
+    }
+}
--- a/src/main/java/org/apache/rocketmq/dashboard/admin/MqAdminExtObjectPool.java
+++ b/src/main/java/org/apache/rocketmq/dashboard/admin/MqAdminExtObjectPool.java
@@ -0,0 +1,47 @@
+/*
+ * 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.rocketmq.dashboard.admin;
+
+import org.apache.commons.pool2.impl.GenericObjectPool;
+import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
+import org.apache.rocketmq.dashboard.config.RMQConfigure;
+import org.apache.rocketmq.tools.admin.MQAdminExt;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class MqAdminExtObjectPool {
+
+    @Autowired
+    private RMQConfigure rmqConfigure;
+
+    @Bean
+    public GenericObjectPool<MQAdminExt> mqAdminExtPool() {
+        GenericObjectPoolConfig genericObjectPoolConfig = new GenericObjectPoolConfig();
+        genericObjectPoolConfig.setTestWhileIdle(true);
+        genericObjectPoolConfig.setMaxWaitMillis(10000);
+        genericObjectPoolConfig.setTimeBetweenEvictionRunsMillis(20000);
+        MQAdminPooledObjectFactory mqAdminPooledObjectFactory = new MQAdminPooledObjectFactory();
+        MQAdminFactory mqAdminFactory = new MQAdminFactory(rmqConfigure);
+        mqAdminPooledObjectFactory.setMqAdminFactory(mqAdminFactory);
+        GenericObjectPool<MQAdminExt> genericObjectPool = new GenericObjectPool<MQAdminExt>(
+            mqAdminPooledObjectFactory,
+            genericObjectPoolConfig);
+        return genericObjectPool;
+    }
+}
--- a/src/main/java/org/apache/rocketmq/dashboard/aspect/admin/MQAdminAspect.java
+++ b/src/main/java/org/apache/rocketmq/dashboard/aspect/admin/MQAdminAspect.java
@@ -16,28 +16,24 @@
 */
 package org.apache.rocketmq.dashboard.aspect.admin;

-import org.apache.rocketmq.dashboard.aspect.admin.annotation.MultiMQAdminCmdMethod;
-import org.apache.rocketmq.dashboard.config.RMQConfigure;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.pool2.impl.GenericObjectPool;
 import org.apache.rocketmq.dashboard.service.client.MQAdminInstance;
+import org.apache.rocketmq.tools.admin.MQAdminExt;
 import org.aspectj.lang.ProceedingJoinPoint;
 import org.aspectj.lang.annotation.Around;
 import org.aspectj.lang.annotation.Aspect;
 import org.aspectj.lang.annotation.Pointcut;
-import org.aspectj.lang.reflect.MethodSignature;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;

-import java.lang.reflect.Method;
-
@Aspect
@Service
+@Slf4j
 public class MQAdminAspect {
-    private Logger logger = LoggerFactory.getLogger(MQAdminAspect.class);

    @Autowired
-    private RMQConfigure rmqConfigure;
+    private GenericObjectPool<MQAdminExt> mqAdminExtPool;

    public MQAdminAspect() {
    }
@@ -47,30 +43,16 @@ public class MQAdminAspect {

    }

-    @Pointcut("@annotation(org.apache.rocketmq.dashboard.aspect.admin.annotation.MultiMQAdminCmdMethod)")
-    public void multiMQAdminMethodPointCut() {
-
-    }
-
-    @Around(value = "mQAdminMethodPointCut() || multiMQAdminMethodPointCut()")
+    @Around(value = "mQAdminMethodPointCut()")
    public Object aroundMQAdminMethod(ProceedingJoinPoint joinPoint) throws Throwable {
        long start = System.currentTimeMillis();
        Object obj = null;
        try {
-            MethodSignature signature = (MethodSignature)joinPoint.getSignature();
-            Method method = signature.getMethod();
-            MultiMQAdminCmdMethod multiMQAdminCmdMethod = method.getAnnotation(MultiMQAdminCmdMethod.class);
-            if (multiMQAdminCmdMethod != null && multiMQAdminCmdMethod.timeoutMillis() > 0) {
-                MQAdminInstance.initMQAdminInstance(multiMQAdminCmdMethod.timeoutMillis(),rmqConfigure.getAccessKey(),rmqConfigure.getSecretKey(), rmqConfigure.isUseTLS());
-            }
-            else {
-                MQAdminInstance.initMQAdminInstance(0,rmqConfigure.getAccessKey(),rmqConfigure.getSecretKey(), rmqConfigure.isUseTLS());
-            }
+            MQAdminInstance.createMQAdmin(mqAdminExtPool);
            obj = joinPoint.proceed();
-        }
-        finally {
-            MQAdminInstance.destroyMQAdminInstance();
-            logger.debug("op=look method={} cost={}", joinPoint.getSignature().getName(), System.currentTimeMillis() - start);
+        } finally {
+            MQAdminInstance.returnMQAdmin(mqAdminExtPool);
+            log.debug("op=look method={} cost={}", joinPoint.getSignature().getName(), System.currentTimeMillis() - start);
        }
        return obj;
    }
--- a/src/main/java/org/apache/rocketmq/dashboard/aspect/admin/annotation/MultiMQAdminCmdMethod.java
+++ b/src/main/java/org/apache/rocketmq/dashboard/aspect/admin/annotation/MultiMQAdminCmdMethod.java
@@ -1,31 +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.rocketmq.dashboard.aspect.admin.annotation;
-
-import java.lang.annotation.Documented;
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-@Target({ElementType.METHOD})
-@Retention(RetentionPolicy.RUNTIME)
-@Documented
-public @interface MultiMQAdminCmdMethod {
-    long timeoutMillis() default 0;
-}
--- a/src/main/java/org/apache/rocketmq/dashboard/config/RMQConfigure.java
+++ b/src/main/java/org/apache/rocketmq/dashboard/config/RMQConfigure.java
@@ -58,6 +58,8 @@ public class RMQConfigure {

    private boolean useTLS = false;

+    private Long timeoutMillis;
+
    public String getAccessKey() {
        return accessKey;
    }
@@ -148,6 +150,14 @@ public class RMQConfigure {
        this.useTLS = useTLS;
    }

+    public Long getTimeoutMillis() {
+        return timeoutMillis;
+    }
+
+    public void setTimeoutMillis(Long timeoutMillis) {
+        this.timeoutMillis = timeoutMillis;
+    }
+
    // Error Page process logic, move to a central configure later
    @Bean
    public ErrorPageRegistrar errorPageRegistrar() {
--- a/src/main/java/org/apache/rocketmq/dashboard/controller/TopicController.java
+++ b/src/main/java/org/apache/rocketmq/dashboard/controller/TopicController.java
@@ -51,8 +51,7 @@ public class TopicController {

    @RequestMapping(value = "/list.query", method = RequestMethod.GET)
    @ResponseBody
-    public Object list(@RequestParam(value = "skipSysProcess", required = false) String skipSysProcess)
-            throws MQClientException, RemotingException, InterruptedException {
+    public Object list(@RequestParam(value = "skipSysProcess", required = false) String skipSysProcess) {
        boolean flag = false;
        if ("true".equals(skipSysProcess)) {
            flag = true;
--- a/src/main/java/org/apache/rocketmq/dashboard/service/client/MQAdminInstance.java
+++ b/src/main/java/org/apache/rocketmq/dashboard/service/client/MQAdminInstance.java
@@ -16,29 +16,27 @@
 */
 package org.apache.rocketmq.dashboard.service.client;

-import org.apache.commons.lang3.StringUtils;
-import org.apache.rocketmq.acl.common.AclClientRPCHook;
-import org.apache.rocketmq.acl.common.SessionCredentials;
-import org.apache.rocketmq.client.exception.MQClientException;
+import org.apache.commons.pool2.impl.GenericObjectPool;
 import org.apache.rocketmq.client.impl.MQClientAPIImpl;
 import org.apache.rocketmq.client.impl.factory.MQClientInstance;
-import org.apache.rocketmq.remoting.RPCHook;
 import org.apache.rocketmq.remoting.RemotingClient;
-import org.apache.rocketmq.tools.admin.DefaultMQAdminExt;
 import org.apache.rocketmq.tools.admin.DefaultMQAdminExtImpl;
 import org.apache.rocketmq.tools.admin.MQAdminExt;
 import org.joor.Reflect;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;

 public class MQAdminInstance {
-    private static final ThreadLocal<DefaultMQAdminExt> MQ_ADMIN_EXT_THREAD_LOCAL = new ThreadLocal<DefaultMQAdminExt>();
-    private static final ThreadLocal<Integer> INIT_COUNTER = new ThreadLocal<Integer>();
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(MQAdminInstance.class);
+    private static final ThreadLocal<MQAdminExt> MQ_ADMIN_EXT_THREAD_LOCAL = new ThreadLocal<>();

    public static MQAdminExt threadLocalMQAdminExt() {
-        DefaultMQAdminExt defaultMQAdminExt = MQ_ADMIN_EXT_THREAD_LOCAL.get();
-        if (defaultMQAdminExt == null) {
+        MQAdminExt mqAdminExt = MQ_ADMIN_EXT_THREAD_LOCAL.get();
+        if (mqAdminExt == null) {
            throw new IllegalStateException("defaultMQAdminExt should be init before you get this");
        }
-        return defaultMQAdminExt;
+        return mqAdminExt;
    }

    public static RemotingClient threadLocalRemotingClient() {
@@ -51,44 +49,27 @@ public class MQAdminInstance {
        DefaultMQAdminExtImpl defaultMQAdminExtImpl = Reflect.on(MQAdminInstance.threadLocalMQAdminExt()).get("defaultMQAdminExtImpl");
        return Reflect.on(defaultMQAdminExtImpl).get("mqClientInstance");
    }
-    public static void initMQAdminInstance(long timeoutMillis,String accessKey,String secretKey, boolean useTLS) throws MQClientException {
-        Integer nowCount = INIT_COUNTER.get();
-        if (nowCount == null) {
-            RPCHook rpcHook = null;
-            boolean isEnableAcl = !StringUtils.isEmpty(accessKey) && !StringUtils.isEmpty(secretKey);
-            if (isEnableAcl) {
-                rpcHook = new AclClientRPCHook(new SessionCredentials(accessKey, secretKey));
-            }
-            DefaultMQAdminExt defaultMQAdminExt;
-            if (timeoutMillis > 0) {
-                defaultMQAdminExt = new DefaultMQAdminExt(rpcHook,timeoutMillis);
-            }
-            else {
-                defaultMQAdminExt = new DefaultMQAdminExt(rpcHook);
-            }
-            defaultMQAdminExt.setUseTLS(useTLS);
-            defaultMQAdminExt.setInstanceName(Long.toString(System.currentTimeMillis()));
-            defaultMQAdminExt.start();
-            MQ_ADMIN_EXT_THREAD_LOCAL.set(defaultMQAdminExt);
-            INIT_COUNTER.set(1);
-        }
-        else {
-            INIT_COUNTER.set(nowCount + 1);
-        }

+    public static void createMQAdmin(GenericObjectPool<MQAdminExt> mqAdminExtPool) {
+        try {
+            // Get the mqAdmin instance from the object pool
+            MQAdminExt mqAdminExt = mqAdminExtPool.borrowObject();
+            MQ_ADMIN_EXT_THREAD_LOCAL.set(mqAdminExt);
+        } catch (Exception e) {
+            LOGGER.error("get mqAdmin from pool error", e);
+        }
    }

-    public static void destroyMQAdminInstance() {
-        Integer nowCount = INIT_COUNTER.get() - 1;
-        if (nowCount > 0) {
-            INIT_COUNTER.set(nowCount);
-            return;
-        }
+    public static void returnMQAdmin(GenericObjectPool<MQAdminExt> mqAdminExtPool) {
        MQAdminExt mqAdminExt = MQ_ADMIN_EXT_THREAD_LOCAL.get();
        if (mqAdminExt != null) {
-            mqAdminExt.shutdown();
-            MQ_ADMIN_EXT_THREAD_LOCAL.remove();
-            INIT_COUNTER.remove();
+            try {
+                // After execution, return the mqAdmin instance to the object pool
+                mqAdminExtPool.returnObject(mqAdminExt);
+            } catch (Exception e) {
+                LOGGER.error("return mqAdmin to pool error", e);
+            }
        }
+        MQ_ADMIN_EXT_THREAD_LOCAL.remove();
    }
 }
--- a/src/main/java/org/apache/rocketmq/dashboard/service/impl/ConsumerServiceImpl.java
+++ b/src/main/java/org/apache/rocketmq/dashboard/service/impl/ConsumerServiceImpl.java
@@ -43,7 +43,6 @@ import org.apache.rocketmq.common.protocol.body.GroupList;
 import org.apache.rocketmq.common.protocol.body.SubscriptionGroupWrapper;
 import org.apache.rocketmq.common.protocol.route.BrokerData;
 import org.apache.rocketmq.common.subscription.SubscriptionGroupConfig;
-import org.apache.rocketmq.dashboard.aspect.admin.annotation.MultiMQAdminCmdMethod;
 import org.apache.rocketmq.dashboard.model.ConsumerGroupRollBackStat;
 import org.apache.rocketmq.dashboard.model.GroupConsumeInfo;
 import org.apache.rocketmq.dashboard.model.QueueStatInfo;
@@ -64,7 +63,6 @@ public class ConsumerServiceImpl extends AbstractCommonService implements Consum
    private Logger logger = LoggerFactory.getLogger(ConsumerServiceImpl.class);

    @Override
-    @MultiMQAdminCmdMethod
    public List<GroupConsumeInfo> queryGroupList() {
        Set<String> consumerGroupSet = Sets.newHashSet();
        try {
@@ -86,7 +84,6 @@ public class ConsumerServiceImpl extends AbstractCommonService implements Consum
    }

    @Override
-    @MultiMQAdminCmdMethod
    public GroupConsumeInfo queryGroup(String consumerGroup) {
        GroupConsumeInfo groupConsumeInfo = new GroupConsumeInfo();
        try {
@@ -133,7 +130,6 @@ public class ConsumerServiceImpl extends AbstractCommonService implements Consum
    }

    @Override
-    @MultiMQAdminCmdMethod
    public List<TopicConsumerInfo> queryConsumeStatsList(final String topic, String groupName) {
        ConsumeStats consumeStats = null;
        try {
@@ -184,7 +180,6 @@ public class ConsumerServiceImpl extends AbstractCommonService implements Consum
    }

    @Override
-    @MultiMQAdminCmdMethod
    public Map<String /*groupName*/, TopicConsumerInfo> queryConsumeStatsListByTopicName(String topic) {
        Map<String, TopicConsumerInfo> group2ConsumerInfoMap = Maps.newHashMap();
        try {
@@ -206,7 +201,6 @@ public class ConsumerServiceImpl extends AbstractCommonService implements Consum
    }

    @Override
-    @MultiMQAdminCmdMethod
    public Map<String, ConsumerGroupRollBackStat> resetOffset(ResetOffsetRequest resetOffsetRequest) {
        Map<String, ConsumerGroupRollBackStat> groupRollbackStats = Maps.newHashMap();
        for (String consumerGroup : resetOffsetRequest.getConsumerGroupList()) {
@@ -251,7 +245,6 @@ public class ConsumerServiceImpl extends AbstractCommonService implements Consum
    }

    @Override
-    @MultiMQAdminCmdMethod
    public List<ConsumerConfigInfo> examineSubscriptionGroupConfig(String group) {
        List<ConsumerConfigInfo> consumerConfigInfoList = Lists.newArrayList();
        try {
@@ -272,7 +265,6 @@ public class ConsumerServiceImpl extends AbstractCommonService implements Consum
    }

    @Override
-    @MultiMQAdminCmdMethod
    public boolean deleteSubGroup(DeleteSubGroupRequest deleteSubGroupRequest) {
        try {
            ClusterInfo clusterInfo = mqAdminExt.examineBrokerClusterInfo();
@@ -303,7 +295,6 @@ public class ConsumerServiceImpl extends AbstractCommonService implements Consum
    }

    @Override
-    @MultiMQAdminCmdMethod
    public Set<String> fetchBrokerNameSetBySubscriptionGroup(String group) {
        Set<String> brokerNameSet = Sets.newHashSet();
        try {
--- a/src/main/java/org/apache/rocketmq/dashboard/service/impl/OpsServiceImpl.java
+++ b/src/main/java/org/apache/rocketmq/dashboard/service/impl/OpsServiceImpl.java
@@ -21,11 +21,14 @@ import com.google.common.collect.Maps;
 import java.util.List;
 import java.util.Map;
 import javax.annotation.Resource;
+import org.apache.commons.pool2.impl.GenericObjectPool;
 import org.apache.rocketmq.dashboard.config.RMQConfigure;
 import org.apache.rocketmq.dashboard.service.AbstractCommonService;
 import org.apache.rocketmq.dashboard.service.OpsService;
 import org.apache.rocketmq.dashboard.service.checker.CheckerType;
 import org.apache.rocketmq.dashboard.service.checker.RocketMqChecker;
+import org.apache.rocketmq.tools.admin.MQAdminExt;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;

@Service
@@ -34,6 +37,9 @@ public class OpsServiceImpl extends AbstractCommonService implements OpsService
    @Resource
    private RMQConfigure configure;

+    @Autowired
+    private GenericObjectPool<MQAdminExt> mqAdminExtPool;
+
    @Resource
    private List<RocketMqChecker> rocketMqCheckerList;

@@ -49,6 +55,8 @@ public class OpsServiceImpl extends AbstractCommonService implements OpsService
    @Override
    public void updateNameSvrAddrList(String nameSvrAddrList) {
        configure.setNamesrvAddr(nameSvrAddrList);
+        // when update namesrvAddr, clean the mqAdminExt objects pool.
+        mqAdminExtPool.clear();
    }

    @Override
@@ -67,12 +75,14 @@ public class OpsServiceImpl extends AbstractCommonService implements OpsService

    @Override public boolean updateIsVIPChannel(String useVIPChannel) {
        configure.setIsVIPChannel(useVIPChannel);
+        mqAdminExtPool.clear();
        return true;
    }

    @Override
    public boolean updateUseTLS(boolean useTLS) {
        configure.setUseTLS(useTLS);
+        mqAdminExtPool.clear();
        return true;
    }
 }
--- a/src/main/java/org/apache/rocketmq/dashboard/task/DashboardCollectTask.java
+++ b/src/main/java/org/apache/rocketmq/dashboard/task/DashboardCollectTask.java
@@ -24,7 +24,6 @@ import org.apache.rocketmq.common.protocol.body.TopicList;
 import org.apache.rocketmq.common.protocol.route.BrokerData;
 import org.apache.rocketmq.common.protocol.route.TopicRouteData;
 import org.apache.rocketmq.common.topic.TopicValidator;
-import org.apache.rocketmq.dashboard.aspect.admin.annotation.MultiMQAdminCmdMethod;
 import org.apache.rocketmq.store.stats.BrokerStatsManager;
 import org.apache.rocketmq.tools.admin.MQAdminExt;
 import org.apache.rocketmq.tools.command.stats.StatsAllSubCommand;
@@ -69,12 +68,11 @@ public class DashboardCollectTask {
    private final static Logger log = LoggerFactory.getLogger(DashboardCollectTask.class);

    @Scheduled(cron = "30 0/1 * * * ?")
-    @MultiMQAdminCmdMethod(timeoutMillis = 5000)
    public void collectTopic() {
        if (!rmqConfigure.isEnableDashBoardCollect()) {
            return;
        }
-        
+
        Date date = new Date();
        Stopwatch stopwatch = Stopwatch.createUnstarted();
        try {
@@ -83,8 +81,8 @@ public class DashboardCollectTask {
            this.addSystemTopic();
            for (String topic : topicSet) {
                if (topic.startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX)
-                        || topic.startsWith(MixAll.DLQ_GROUP_TOPIC_PREFIX)
-                        || TopicValidator.isSystemTopic(topic)) {
+                    || topic.startsWith(MixAll.DLQ_GROUP_TOPIC_PREFIX)
+                    || TopicValidator.isSystemTopic(topic)) {
                    continue;
                }
                TopicRouteData topicRouteData = mqAdminExt.examineTopicRouteInfo(topic);
@@ -323,7 +321,7 @@ public class DashboardCollectTask {
        }
        return newTpsList;
    }
-    
+
    private void addSystemTopic() throws Exception {
        ClusterInfo clusterInfo = mqAdminExt.examineBrokerClusterInfo();
        HashMap<String, Set<String>> clusterTable = clusterInfo.getClusterAddrTable();