Examples of org.apache.activemq.usage.MemoryUsage

org.apache.activemq.usage.MemoryUsage
Used to keep track of how much of something is being used so that a productive working set usage can be controlled. Main use case is manage memory usage. @org.apache.xbean.XBean

    public Queue(Broker broker, ActiveMQDestination destination, final SystemUsage systemUsage, MessageStore store, DestinationStatistics parentStats,
                 TaskRunnerFactory taskFactory, Store tmpStore) throws Exception {
        this.broker = broker;
        this.destination = destination;
        this.systemUsage=systemUsage;
        this.memoryUsage = new MemoryUsage(systemUsage.getMemoryUsage(), destination.toString());
        this.memoryUsage.setUsagePortion(1.0f);
        this.store = store;
        if (destination.isTemporary() || tmpStore==null ) {
            this.messages = new VMPendingMessageCursor();
        } else {

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                 TaskRunnerFactory taskFactory) throws Exception {
        this.broker = broker;
        this.destination = destination;
        this.store = store; // this could be NULL! (If an advisory)
        this.systemUsage=systemUsage;
        this.memoryUsage = new MemoryUsage(systemUsage.getMemoryUsage(), destination.toString());
        this.memoryUsage.setUsagePortion(1.0f);
        //set default subscription recovery policy
        if (destination.isTemporary() || AdvisorySupport.isAdvisoryTopic(destination) ){
           subscriptionRecoveryPolicy= new NoSubscriptionRecoveryPolicy();
        }else{

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        this.info.setDestination(destination);


        // Enable producer window flow control if protocol > 3 and the window
        // size > 0
        if (session.connection.getProtocolVersion() >= 3 && this.info.getWindowSize() > 0) {
            producerWindow = new MemoryUsage("Producer Window: " + producerId);
            producerWindow.setLimit(this.info.getWindowSize());
        }


        this.defaultDeliveryMode = Message.DEFAULT_DELIVERY_MODE;
        this.defaultPriority = Message.DEFAULT_PRIORITY;

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        this.info.setDestination(destination);


        // Enable producer window flow control if protocol > 3 and the window
        // size > 0
        if (session.connection.getProtocolVersion() >= 3 && this.info.getWindowSize() > 0) {
            producerWindow = new MemoryUsage("Producer Window: " + producerId);
            producerWindow.setLimit(this.info.getWindowSize());
        }


        this.defaultDeliveryMode = Message.DEFAULT_DELIVERY_MODE;
        this.defaultPriority = Message.DEFAULT_PRIORITY;

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        // let's copy the enabled property from the parent DestinationStatistics
        this.destinationStatistics.setEnabled(parentStats.isEnabled());
        this.destinationStatistics.setParent(parentStats);        


        this.systemUsage = brokerService.getProducerSystemUsage();
        this.memoryUsage = new MemoryUsage(systemUsage.getMemoryUsage(), destination.toString());
        this.memoryUsage.setUsagePortion(1.0f);
        this.regionBroker = brokerService.getRegionBroker();
    }

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        pMap.setDefaultEntry(policy);
        answer.setDestinationPolicy(pMap);
        answer.setDeleteAllMessagesOnStartup(true);
        answer.addConnector("tcp://localhost:0");


        MemoryUsage memoryUsage = new MemoryUsage();
        memoryUsage.setLimit(MEMORY_USAGE); 
        memoryUsage.setPercentUsageMinDelta(20);


        TempUsage tempUsage = new TempUsage();
        tempUsage.setLimit(TEMP_USAGE); 


        StoreUsage storeUsage = new StoreUsage();

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    public void createBroker(Configurer configurer) throws Exception {
        broker = new BrokerService();
        configurePersistenceAdapter(broker);
        
        SystemUsage usage = new SystemUsage();
        MemoryUsage memoryUsage = new MemoryUsage();
        memoryUsage.setLimit(MESSAGE_LENGTH_BYTES * 200 * NUM_SENDERS_AND_RECEIVERS);
        usage.setMemoryUsage(memoryUsage);
        broker.setSystemUsage(usage);

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        broker.setAdvisorySupport(false);
        broker.setDeleteAllMessagesOnStartup(true);


        setDefaultPersistenceAdapter(broker);
        SystemUsage sysUsage = broker.getSystemUsage();
        MemoryUsage memUsage = new MemoryUsage();
        memUsage.setLimit((1024 * 1024));
        StoreUsage storeUsage = new StoreUsage();
        storeUsage.setLimit((1024 * 1024) * 38);
        TempUsage tmpUsage = new TempUsage();
        tmpUsage.setLimit((1024 * 1024) * 38);

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        this.info.setDestination(destination);


        // Enable producer window flow control if protocol > 3 and the window
        // size > 0
        if (session.connection.getProtocolVersion() >= 3 && this.info.getWindowSize() > 0) {
            producerWindow = new MemoryUsage("Producer Window: " + producerId);
            producerWindow.setExecutor(session.getConnectionExecutor());
            producerWindow.setLimit(this.info.getWindowSize());
            producerWindow.start();
        }

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        pMap.setDefaultEntry(policy);
        answer.setDestinationPolicy(pMap);
        answer.setDeleteAllMessagesOnStartup(true);
        answer.addConnector("tcp://localhost:0");


        MemoryUsage memoryUsage = new MemoryUsage();
        memoryUsage.setLimit(MEMORY_USAGE); 
        memoryUsage.setPercentUsageMinDelta(20);


        TempUsage tempUsage = new TempUsage();
        tempUsage.setLimit(TEMP_USAGE); 


        StoreUsage storeUsage = new StoreUsage();

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Related Classes of org.apache.activemq.usage.MemoryUsage

org.apache.activemq.ActiveMQMessageProducer

org.apache.activemq.broker.region.BaseDestination

org.apache.activemq.broker.region.cursors.NegativeQueueTest

org.apache.activemq.broker.region.Queue

org.apache.activemq.broker.region.Topic

org.apache.activemq.broker.virtual.MirroredQueueCorrectMemoryUsageTest

org.apache.activemq.bugs.AMQ2149Test

org.apache.activemq.bugs.TempStorageBlockedBrokerTest

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