Examples of LowResourceMonitor

org.eclipse.jetty.server.LowResourceMonitor
A monitor for low resources
An instance of this class will monitor all the connectors of a server (or a set of connectors configured with {@link #setMonitoredConnectors(Collection)}) for a low resources state. Low resources can be detected by:
- {@link ThreadPool#isLowOnThreads()} if {@link Connector#getExecutor()} isan instance of {@link ThreadPool} and {@link #setMonitorThreads(boolean)} is true.
- If {@link #setMaxMemory(long)} is non zero then low resources is detected if the JVMs{@link Runtime} instance has {@link Runtime#totalMemory()} minus {@link Runtime#freeMemory()}greater than {@link #getMaxMemory()}
- If {@link #setMaxConnections(int)} is non zero then low resources is dected if the total numberof connections exceeds {@link #getMaxConnections()}
Once low resources state is detected, the cause is logged and all existing connections returned by {@link Connector#getConnectedEndPoints()} have {@link EndPoint#setIdleTimeout(long)} setto {@link #getLowResourcesIdleTimeout()}. New connections are not affected, however if the low resources state persists for more than {@link #getMaxLowResourcesTime()}, then the {@link #getLowResourcesIdleTimeout()} to all connections again. Once the low resources state iscleared, the idle timeout is reset to the connector default given by {@link Connector#getIdleTimeout()}.

Examples of org.eclipse.jetty.server.LowResourceMonitor


        // Low resource max idle time
        Integer lowResourceMaxIdleTime = config.lowResourceMaxIdleTime().get();
        if( lowResourceMaxIdleTime != null )
        {
            LowResourceMonitor lowResourceMonitor = new LowResourceMonitor( server );
            lowResourceMonitor.setLowResourcesIdleTimeout( lowResourceMaxIdleTime );
            server.addBean( lowResourceMonitor );
        }


        // Statistics
        if( config.statistics().get() )

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Examples of org.eclipse.jetty.server.LowResourceMonitor

        requestLogHandler.setRequestLog(requestLog);
        handlers.addHandler(requestLogHandler);




        // === jetty-lowresources.xml ===
        LowResourceMonitor lowResourcesMonitor=new LowResourceMonitor(server);
        lowResourcesMonitor.setPeriod(1000);
        lowResourcesMonitor.setLowResourcesIdleTimeout(200);
        lowResourcesMonitor.setMonitorThreads(true);
        lowResourcesMonitor.setMaxConnections(0);
        lowResourcesMonitor.setMaxMemory(0);
        lowResourcesMonitor.setMaxLowResourcesTime(5000);
        server.addBean(lowResourcesMonitor);




        // === test-realm.xml ===
        HashLoginService login = new HashLoginService();

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Examples of org.eclipse.jetty.server.LowResourceMonitor

        jettyServer.setStopAtShutdown(true);


        MBeanContainer container = new MBeanContainer(mbeanServer);
        jettyServer.addBean(container);


        LowResourceMonitor lowResourcesMonitor = new LowResourceMonitor(jettyServer);
        lowResourcesMonitor.setPeriod(lowResourcesPeriod);
        lowResourcesMonitor.setLowResourcesIdleTimeout(lowResourcesIdleTime);
        lowResourcesMonitor.setMonitorThreads(lowResourcesMonitorThreads);
        lowResourcesMonitor.setMaxConnections(lowResourcesMaxConnections);
        lowResourcesMonitor.setMaxMemory(lowResourcesMaxMemory);
        lowResourcesMonitor.setMaxLowResourcesTime(lowResourcesMaxTime);
        jettyServer.addBean(lowResourcesMonitor);


        // US24803 - Needed for preventing Hashtable key collision DoS CVE-2012-2739
        jettyServer.setAttribute("org.eclipse.jetty.server.Request.maxFormContentSize", maxFormContentSize);

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