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mqtt activemq 优化

程序员文章站 2022-03-23 22:01:08
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<!-- 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. -->

<!-- START SNIPPET: example -->

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd

  http://activemq.apache.org/schema/core http://activemq.apache.org/schema/core/activemq-core.xsd">

 

<!-- Allows us to use system properties as variables in this configuration 

file -->

<bean

class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">

<property name="locations">

<value>file:${activemq.conf}/credentials.properties</value>

</property>

</bean>

 

<!-- Allows accessing the server log -->

<bean id="logQuery"

class="io.fabric8.insight.log.log4j.Log4jLogQuery" lazy-init="false"

scope="singleton" init-method="start" destroy-method="stop">

</bean>

 

<!-- The <broker> element is used to configure the ActiveMQ broker. -->

<broker xmlns="http://activemq.apache.org/schema/core"

brokerName="localhost" dataDirectory="${activemq.data}"

persistent="true">

 

<destinationPolicy>

<policyMap>

<policyEntries>

<policyEntry topic=">" gcInactiveDestinations="true"  producerFlowControl="false" memoryLimit="1mb"

inactiveTimoutBeforeGC="30000">

<!-- The constantPendingMessageLimitStrategy is used to prevent slow 

topic consumers to block producers and affect other consumers by limiting 

the number of messages that are retained For more information, see: http://activemq.apache.org/slow-consumer-handling.html 

<pendingMessageLimitStrategy> <constantPendingMessageLimitStrategy limit="1000"/> 

</pendingMessageLimitStrategy>

 

-->

 

 

 

 

<dispatchPolicy>

 

<strictOrderDispatchPolicy />

 

</dispatchPolicy>

<subscriptionRecoveryPolicy>

<timedSubscriptionRecoveryPolicy recoverDuration="300000" /> 

</subscriptionRecoveryPolicy>

<deadLetterStrategy>

 

<individualDeadLetterStrategy topicPrefix="Test.DLQ." />

 

</deadLetterStrategy>

 

<pendingSubscriberPolicy>

 

<fileCursor />   <!-- fileCursor   vmCursor -->

 

</pendingSubscriberPolicy>

 

<pendingDurableSubscriberPolicy>

 

<storeDurableSubscriberCursor />  <!-- storeDurableSubscriberCursor, vmDurableCursor and fileDurableSubscriberCursor -->

 

</pendingDurableSubscriberPolicy>

 

<pendingMessageLimitStrategy>

<constantPendingMessageLimitStrategy limit="1000"/>

</pendingMessageLimitStrategy>

 

 

</policyEntry>

<policyEntry queue=">" gcInactiveDestinations="true"

inactiveTimoutBeforeGC="30000">

<!-- The constantPendingMessageLimitStrategy is used to prevent slow 

topic consumers to block producers and affect other consumers by limiting 

the number of messages that are retained For more information, see: http://activemq.apache.org/slow-consumer-handling.html -->

<pendingMessageLimitStrategy>

<constantPendingMessageLimitStrategy

limit="1000" />

</pendingMessageLimitStrategy>

</policyEntry>

 

</policyEntries>

 

</policyMap>

 

</destinationPolicy>

 

 

<!-- The managementContext is used to configure how ActiveMQ is exposed 

in JMX. By default, ActiveMQ uses the MBean server that is started by the 

JVM. For more information, see: http://activemq.apache.org/jmx.html -->

<managementContext>

<managementContext createConnector="false" />

</managementContext>

 

<!-- Configure message persistence for the broker. The default persistence 

mechanism is the KahaDB store (identified by the kahaDB tag). For more information, 

see: http://activemq.apache.org/persistence.html -->

<persistenceAdapter>

<kahaDB directory="${activemq.data}/kahadb"

journalMaxFileLength="64mb" indexCacheSize="40000" />

</persistenceAdapter>

 

 

<!-- The systemUsage controls the maximum amount of space the broker will 

use before disabling caching and/or slowing down producers. For more information, 

see: http://activemq.apache.org/producer-flow-control.html -->

<systemUsage>

<systemUsage>

<memoryUsage>

<memoryUsage limit="128 mb" />

</memoryUsage>

<storeUsage>

<storeUsage limit="10 gb" />

</storeUsage>

<tempUsage>

<tempUsage limit="1 gb" />

</tempUsage>

</systemUsage>

</systemUsage>

 

<sslContext>

<sslContext

keyStore="file:${activemq.base}/conf/cacert/cloud.jks"

keyStorePassword="123456"

trustStore="file:${activemq.base}/conf/cacert/truststore.ts"

trustStorePassword="123456" />

</sslContext>

<!-- The transport connectors expose ActiveMQ over a given protocol to 

clients and other brokers. For more information, see: http://activemq.apache.org/configuring-transports.html -->

<transportConnectors>

<!-- DOS protection, limit concurrent connections to 1000 and frame size 

to 100MB -->

<transportConnector name="openwire"

uri="tcp://0.0.0.0:61616?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600" />

<transportConnector name="amqp"

uri="amqp://0.0.0.0:5672?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600" />

<transportConnector name="stomp"

uri="stomp://0.0.0.0:61613?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600" />

<transportConnector name="mqtt"

uri="mqtt://0.0.0.0:1883?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600&amp;wireFormat.maxInactivityDuration=0" />

<transportConnector name="mqtt+ssl"

uri="mqtt+nio+ssl://0.0.0.0:8883?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600&amp;wireFormat.maxInactivityDuration=0" />

<transportConnector name="ws"

uri="ws://0.0.0.0:61614?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600" />

</transportConnectors>

 

<!-- destroy the spring context on shutdown to stop jetty -->

<shutdownHooks>

<bean xmlns="http://www.springframework.org/schema/beans"

class="org.apache.activemq.hooks.SpringContextHook" />

</shutdownHooks>

 

</broker>

 

<!-- Enable web consoles, REST and Ajax APIs and demos The web consoles 

requires by default login, you can disable this in the jetty.xml file Take 

a look at ${ACTIVEMQ_HOME}/conf/jetty.xml for more details -->

<import resource="jetty.xml" />

 

</beans>

<!-- END SNIPPET: example -->