422734 messages per second in ConnectorStatistics
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bae646de72
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6848186bfa
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@ -26,21 +26,15 @@ public class OneServletContext
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{
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public static void main(String[] args) throws Exception
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{
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Server server = new Server(8080);
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Server server = new Server(8080);
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ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
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context.setContextPath("/");
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server.setHandler(context);
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// Serve content from java.io.tmpdir
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ServletHolder holder = context.addServlet(org.eclipse.jetty.servlet.DefaultServlet.class,"/tmp/*");
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String tmpDir = System.getProperty("java.io.tmpdir");
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holder.setInitParameter("resourceBase",tmpDir);
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holder.setInitParameter("pathInfoOnly","true");
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context.addServlet(org.eclipse.jetty.servlet.DefaultServlet.class,"/");
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context.addServlet(new ServletHolder(new DumpServlet()),"/dump/*");
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// A Dump Servlet
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context.addServlet(new ServletHolder(new DumpServlet()),"/*");
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server.start();
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server.join();
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}
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@ -0,0 +1,48 @@
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//
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// ========================================================================
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// Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
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// ------------------------------------------------------------------------
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// All rights reserved. This program and the accompanying materials
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// are made available under the terms of the Eclipse Public License v1.0
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// and Apache License v2.0 which accompanies this distribution.
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//
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// The Eclipse Public License is available at
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// http://www.eclipse.org/legal/epl-v10.html
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//
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// The Apache License v2.0 is available at
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// http://www.opensource.org/licenses/apache2.0.php
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//
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// You may elect to redistribute this code under either of these licenses.
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// ========================================================================
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//
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package org.eclipse.jetty.embedded;
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import java.lang.management.ManagementFactory;
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import org.eclipse.jetty.jmx.MBeanContainer;
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import org.eclipse.jetty.server.ConnectorStatistics;
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import org.eclipse.jetty.server.Server;
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import org.eclipse.jetty.servlet.ServletContextHandler;
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import org.eclipse.jetty.servlet.ServletHolder;
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public class OneServletContextJmxStats
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{
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public static void main(String[] args) throws Exception
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{
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Server server = new Server(8080);
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server.addBean(new MBeanContainer(ManagementFactory.getPlatformMBeanServer()));
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ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
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context.setContextPath("/");
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server.setHandler(context);
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context.addServlet(org.eclipse.jetty.servlet.DefaultServlet.class,"/");
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context.addServlet(new ServletHolder(new DumpServlet()),"/dump/*");
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ConnectorStatistics.addToAllConnectors(server);
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server.start();
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server.join();
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}
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}
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@ -20,6 +20,12 @@ package org.eclipse.jetty.server;
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import java.io.IOException;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.ConcurrentMap;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicInteger;
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import java.util.concurrent.atomic.AtomicLong;
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import org.eclipse.jetty.io.Connection;
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@ -42,22 +48,48 @@ import org.eclipse.jetty.util.statistic.SampleStatistic;
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@ManagedObject("Connector Statistics")
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public class ConnectorStatistics extends AbstractLifeCycle implements Dumpable, Connection.Listener
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{
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private final static Sample ZERO=new Sample();
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private final AtomicLong _startMillis = new AtomicLong(-1L);
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private final CounterStatistic _connectionStats = new CounterStatistic();
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private final SampleStatistic _messagesIn = new SampleStatistic();
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private final SampleStatistic _messagesOut = new SampleStatistic();
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private final SampleStatistic _connectionDurationStats = new SampleStatistic();
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private final ConcurrentMap<Connection, Sample> _samples = new ConcurrentHashMap<>();
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private final AtomicInteger _closedIn = new AtomicInteger();
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private final AtomicInteger _closedOut = new AtomicInteger();
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private AtomicLong _nanoStamp=new AtomicLong();
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private volatile int _messagesInPerSecond;
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private volatile int _messagesOutPerSecond;
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@Override
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public void onOpened(Connection connection)
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{
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connectionOpened();
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if (isStarted())
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{
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_connectionStats.increment();
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_samples.put(connection,ZERO);
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}
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}
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@Override
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public void onClosed(Connection connection)
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{
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connectionClosed(System.currentTimeMillis()-connection.getCreatedTimeStamp(),connection.getMessagesIn(),connection.getMessagesOut());
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if (isStarted())
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{
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int msgsIn=connection.getMessagesIn();
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int msgsOut=connection.getMessagesOut();
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_messagesIn.set(msgsIn);
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_messagesOut.set(msgsOut);
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_connectionStats.decrement();
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_connectionDurationStats.set(System.currentTimeMillis()-connection.getCreatedTimeStamp());
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Sample sample=_samples.remove(connection);
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if (sample!=null)
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{
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_closedIn.addAndGet(msgsIn-sample._messagesIn);
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_closedOut.addAndGet(msgsOut-sample._messagesOut);
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}
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}
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}
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@ManagedAttribute("Total number of bytes received by this connector")
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@ -80,30 +112,24 @@ public class ConnectorStatistics extends AbstractLifeCycle implements Dumpable,
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return (int)_connectionStats.getTotal();
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}
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@ManagedAttribute("Connection duraton maximum in ms")
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public long getConnectionsDurationMax()
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@ManagedAttribute("Connection duration maximum in ms")
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public long getConnectionDurationMax()
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{
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return _connectionDurationStats.getMax();
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}
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@ManagedAttribute("Connection duraton mean in ms")
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public double getConnectionsDurationMean()
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@ManagedAttribute("Connection duration mean in ms")
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public double getConnectionDurationMean()
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{
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return _connectionDurationStats.getMean();
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}
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@ManagedAttribute("Connection duraton standard deviation")
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public double getConnectionsDurationStdDev()
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@ManagedAttribute("Connection duration standard deviation")
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public double getConnectionDurationStdDev()
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{
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return _connectionDurationStats.getStdDev();
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}
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@ManagedAttribute("Connection duraton total of all connections in ms")
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public long getConnectionsDurationTotal()
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{
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return _connectionDurationStats.getTotal();
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}
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@ManagedAttribute("Messages In for all connections")
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public int getMessagesIn()
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{
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@ -111,19 +137,19 @@ public class ConnectorStatistics extends AbstractLifeCycle implements Dumpable,
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}
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@ManagedAttribute("Messages In per connection maximum")
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public int getConnectionsMessagesInMax()
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public int getMessagesInPerConnectionMax()
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{
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return (int)_messagesIn.getMax();
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}
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@ManagedAttribute("Messages In per connection mean")
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public double getConnectionsMessagesInMean()
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public double getMessagesInPerConnectionMean()
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{
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return _messagesIn.getMean();
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}
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@ManagedAttribute("Messages In per connection standard deviation")
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public double getConnectionsMessagesInStdDev()
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public double getMessagesInPerConnectionStdDev()
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{
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return _messagesIn.getStdDev();
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}
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@ -146,6 +172,24 @@ public class ConnectorStatistics extends AbstractLifeCycle implements Dumpable,
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return (int)_messagesIn.getTotal();
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}
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@ManagedAttribute("Messages In per connection maximum")
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public int getMessagesOutPerConnectionMax()
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{
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return (int)_messagesIn.getMax();
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}
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@ManagedAttribute("Messages In per connection mean")
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public double getMessagesOutPerConnectionMean()
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{
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return _messagesIn.getMean();
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}
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@ManagedAttribute("Messages In per connection standard deviation")
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public double getMessagesOutPerConnectionStdDev()
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{
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return _messagesIn.getStdDev();
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}
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@ManagedAttribute("Connection statistics started ms since epoch")
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public long getStartedMillis()
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{
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@ -153,6 +197,20 @@ public class ConnectorStatistics extends AbstractLifeCycle implements Dumpable,
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return start < 0 ? 0 : System.currentTimeMillis() - start;
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}
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@ManagedAttribute("Messages in per second calculated over period since last called")
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public int getMessagesInPerSecond()
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{
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update();
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return _messagesInPerSecond;
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}
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@ManagedAttribute("Messages out per second calculated over period since last called")
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public int getMessagesOutPerSecond()
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{
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update();
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return _messagesOutPerSecond;
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}
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@Override
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public void doStart()
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{
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@ -162,6 +220,7 @@ public class ConnectorStatistics extends AbstractLifeCycle implements Dumpable,
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@Override
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public void doStop()
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{
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_samples.clear();
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}
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@ManagedOperation("Reset the statistics")
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@ -172,34 +231,7 @@ public class ConnectorStatistics extends AbstractLifeCycle implements Dumpable,
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_messagesOut.reset();
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_connectionStats.reset();
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_connectionDurationStats.reset();
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}
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public void connectionOpened()
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{
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if (isStarted())
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{
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_connectionStats.increment();
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}
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}
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public void connectionUpgraded(int messagesIn, int messagesOut)
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{
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if (isStarted())
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{
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_messagesIn.set(messagesIn);
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_messagesOut.set(messagesOut);
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}
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}
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public void connectionClosed(long duration, int messagesIn, int messagesOut)
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{
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if (isStarted())
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{
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_messagesIn.set(messagesIn);
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_messagesOut.set(messagesOut);
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_connectionStats.decrement();
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_connectionDurationStats.set(duration);
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}
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_samples.clear();
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}
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@Override
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@ -223,5 +255,55 @@ public class ConnectorStatistics extends AbstractLifeCycle implements Dumpable,
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if (connector instanceof Container)
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((Container)connector).addBean(new ConnectorStatistics());
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}
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}
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private static final long SECOND_NANOS=TimeUnit.SECONDS.toNanos(1);
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private synchronized void update()
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{
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long now=System.nanoTime();
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long then=_nanoStamp.get();
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long duration=now-then;
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if (duration>SECOND_NANOS/2)
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{
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if (_nanoStamp.compareAndSet(then,now))
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{
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long msgsIn=_closedIn.getAndSet(0);
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long msgsOut=_closedOut.getAndSet(0);
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for (Map.Entry<Connection, Sample> entry : _samples.entrySet())
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{
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Connection connection=entry.getKey();
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Sample sample = entry.getValue();
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Sample next = new Sample(connection);
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if (_samples.replace(connection,sample,next))
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{
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msgsIn+=next._messagesIn-sample._messagesIn;
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msgsOut+=next._messagesOut-sample._messagesOut;
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}
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}
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_messagesInPerSecond=(int)(msgsIn*SECOND_NANOS/duration);
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_messagesOutPerSecond=(int)(msgsOut*SECOND_NANOS/duration);
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}
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}
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}
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private static class Sample
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{
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Sample()
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{
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_messagesIn=0;
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_messagesOut=0;
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}
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Sample(Connection connection)
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{
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_messagesIn=connection.getMessagesIn();
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_messagesOut=connection.getMessagesOut();
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}
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final int _messagesIn;
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final int _messagesOut;
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}
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}
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@ -143,14 +143,14 @@ public class SelectChannelStatisticsTest
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assertEquals(1, _statistics.getConnectionsOpenMax());
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assertTrue(_statistics.getConnectionsOpen() <= _statistics.getConnectionsOpenMax());
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assertTrue(_statistics.getConnectionsDurationMean() > 0);
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assertTrue(_statistics.getConnectionsDurationMax() > 0);
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assertTrue(_statistics.getConnectionsDurationMean() <= _statistics.getConnectionsDurationMax());
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assertTrue(_statistics.getConnectionDurationMean() > 0);
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assertTrue(_statistics.getConnectionDurationMax() > 0);
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assertTrue(_statistics.getConnectionDurationMean() <= _statistics.getConnectionDurationMax());
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assertEquals(1, _statistics.getMessagesIn());
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assertEquals(1.0, _statistics.getConnectionsMessagesInMean(), 0.01);
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assertEquals(1, _statistics.getConnectionsMessagesInMax());
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assertTrue(_statistics.getConnectionsMessagesInMean() <= _statistics.getConnectionsMessagesInMax());
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assertEquals(1.0, _statistics.getMessagesInPerConnectionMean(), 0.01);
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assertEquals(1, _statistics.getMessagesInPerConnectionMax());
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assertTrue(_statistics.getMessagesInPerConnectionMean() <= _statistics.getMessagesInPerConnectionMax());
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}
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@Test
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@ -169,14 +169,14 @@ public class SelectChannelStatisticsTest
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assertEquals(1, _statistics.getConnectionsOpenMax());
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assertTrue(_statistics.getConnectionsOpen() <= _statistics.getConnectionsOpenMax());
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assertTrue(_statistics.getConnectionsDurationMean() > 0);
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assertTrue(_statistics.getConnectionsDurationMax() > 0);
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assertTrue(_statistics.getConnectionsDurationMean() <= _statistics.getConnectionsDurationMax());
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assertTrue(_statistics.getConnectionDurationMean() > 0);
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assertTrue(_statistics.getConnectionDurationMax() > 0);
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assertTrue(_statistics.getConnectionDurationMean() <= _statistics.getConnectionDurationMax());
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assertEquals(2, _statistics.getMessagesIn());
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assertEquals(2.0, _statistics.getConnectionsMessagesInMean(), 0.01);
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assertEquals(2, _statistics.getConnectionsMessagesInMax());
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assertTrue(_statistics.getConnectionsMessagesInMean() <= _statistics.getConnectionsMessagesInMax());
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assertEquals(2.0, _statistics.getMessagesInPerConnectionMean(), 0.01);
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assertEquals(2, _statistics.getMessagesInPerConnectionMax());
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assertTrue(_statistics.getMessagesInPerConnectionMean() <= _statistics.getMessagesInPerConnectionMax());
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}
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@Test
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@ -203,14 +203,14 @@ public class SelectChannelStatisticsTest
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assertEquals(3, _statistics.getConnectionsOpenMax());
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assertTrue(_statistics.getConnectionsOpen() <= _statistics.getConnectionsOpenMax());
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assertTrue(_statistics.getConnectionsDurationMean() > 0);
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assertTrue(_statistics.getConnectionsDurationMax() > 0);
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assertTrue(_statistics.getConnectionsDurationMean() <= _statistics.getConnectionsDurationMax());
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assertTrue(_statistics.getConnectionDurationMean() > 0);
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assertTrue(_statistics.getConnectionDurationMax() > 0);
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assertTrue(_statistics.getConnectionDurationMean() <= _statistics.getConnectionDurationMax());
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assertEquals(6, _statistics.getMessagesIn());
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assertEquals(2.0, _statistics.getConnectionsMessagesInMean(), 0.01);
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assertEquals(3, _statistics.getConnectionsMessagesInMax());
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assertTrue(_statistics.getConnectionsMessagesInMean() <= _statistics.getConnectionsMessagesInMax());
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assertEquals(2.0, _statistics.getMessagesInPerConnectionMean(), 0.01);
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assertEquals(3, _statistics.getMessagesInPerConnectionMax());
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assertTrue(_statistics.getMessagesInPerConnectionMean() <= _statistics.getMessagesInPerConnectionMax());
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}
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protected void doInit(int count)
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