rocketmq 性能为题

环境：2主2从rocketmq 异步刷盘， jar 包版本：通过java 客户端调用，引入客户端jar 包，3.2.6版本， 问题描述：现需要通过定时任务将百万数据通过消息同步到其他系统，数据量每日超过300万，消息的发送采用异步发送方式，目前发现在开始5到6分钟消息正常，在这个时间点后消息时常会返回如下错误

See https://github.com/alibaba/RocketMQ/issues/50 for further details.
	at com.alibaba.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendDefaultImpl(DefaultMQProducerImpl.java:578)
	at com.alibaba.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1031)
	at com.alibaba.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1025)
	at com.alibaba.rocketmq.client.producer.DefaultMQProducer.send(DefaultMQProducer.java:95)
	at com.jf.eam.common.MqUtil.mqProducer(MqUtil.java:149)
	at com.jf.eam.businessdata.service.impl.AsyncSendServiceImpl.asyncYouXunaToSanBiaoSend(AsyncSendServiceImpl.java:171)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
	at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:85)
	at com.jf.eam.common.EamExceptionNotifyAspect.aroundMethod(EamExceptionNotifyAspect.java:69)
	at sun.reflect.GeneratedMethodAccessor214.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)
	at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610)
	at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:68)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
	at org.springframework.aop.interceptor.AsyncExecutionInterceptor$1.call(AsyncExecutionInterceptor.java:110)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.lang.Thread.run(Thread.java:748)
Caused by: com.alibaba.rocketmq.remoting.exception.RemotingTimeoutException: wait response on the channel <39.107.47.221:10911> timeout, 3000(ms)
	at com.alibaba.rocketmq.remoting.netty.NettyRemotingAbstract.invokeSyncImpl(NettyRemotingAbstract.java:375)
	at com.alibaba.rocketmq.remoting.netty.NettyRemotingClient.invokeSync(NettyRemotingClient.java:622)
	at com.alibaba.rocketmq.client.impl.MQClientAPIImpl.sendMessageSync(MQClientAPIImpl.java:306)
	at com.alibaba.rocketmq.client.impl.MQClientAPIImpl.sendMessage(MQClientAPIImpl.java:289)
	at com.alibaba.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendKernelImpl(DefaultMQProducerImpl.java:679)
	at com.alibaba.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendDefaultImpl(DefaultMQProducerImpl.java:500)
	... 26 more

失败率很高， 期望 在提高成功率的情况下能加快消息发送的速度，希望社区各位大牛能给出个解决方案，在线等待