mqtt activemq 优化
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<!-- 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&wireFormat.maxFrameSize=104857600" />
<transportConnector name="amqp"
uri="amqp://0.0.0.0:5672?maximumConnections=1000&wireFormat.maxFrameSize=104857600" />
<transportConnector name="stomp"
uri="stomp://0.0.0.0:61613?maximumConnections=1000&wireFormat.maxFrameSize=104857600" />
<transportConnector name="mqtt"
uri="mqtt://0.0.0.0:1883?maximumConnections=1000&wireFormat.maxFrameSize=104857600&wireFormat.maxInactivityDuration=0" />
<transportConnector name="mqtt+ssl"
uri="mqtt+nio+ssl://0.0.0.0:8883?maximumConnections=1000&wireFormat.maxFrameSize=104857600&wireFormat.maxInactivityDuration=0" />
<transportConnector name="ws"
uri="ws://0.0.0.0:61614?maximumConnections=1000&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 -->
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