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422734 messages per second in ConnectorStatistics

This commit is contained in:
Greg Wilkins 2013-11-28 18:40:46 +11:00
parent bae646de72
commit 6848186bfa
4 changed files with 196 additions and 72 deletions
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12
examples/embedded/src/main/java/org/eclipse/jetty/embedded/OneServletContext.java
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@ -26,21 +26,15 @@ public class OneServletContext
{
public static void main(String[] args) throws Exception
{
Server server = new Server(8080);
Server server = new Server(8080);
ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
context.setContextPath("/");
server.setHandler(context);
// Serve content from java.io.tmpdir
ServletHolder holder = context.addServlet(org.eclipse.jetty.servlet.DefaultServlet.class,"/tmp/*");
String tmpDir = System.getProperty("java.io.tmpdir");
holder.setInitParameter("resourceBase",tmpDir);
holder.setInitParameter("pathInfoOnly","true");
context.addServlet(org.eclipse.jetty.servlet.DefaultServlet.class,"/");
context.addServlet(new ServletHolder(new DumpServlet()),"/dump/*");
// A Dump Servlet
context.addServlet(new ServletHolder(new DumpServlet()),"/*");
server.start();
server.join();
}

48
examples/embedded/src/main/java/org/eclipse/jetty/embedded/OneServletContextJmxStats.java Normal file
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@ -0,0 +1,48 @@
//
// ========================================================================
// Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.embedded;
import java.lang.management.ManagementFactory;
import org.eclipse.jetty.jmx.MBeanContainer;
import org.eclipse.jetty.server.ConnectorStatistics;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.servlet.ServletHolder;
public class OneServletContextJmxStats
{
public static void main(String[] args) throws Exception
{
Server server = new Server(8080);
server.addBean(new MBeanContainer(ManagementFactory.getPlatformMBeanServer()));
ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
context.setContextPath("/");
server.setHandler(context);
context.addServlet(org.eclipse.jetty.servlet.DefaultServlet.class,"/");
context.addServlet(new ServletHolder(new DumpServlet()),"/dump/*");
ConnectorStatistics.addToAllConnectors(server);
server.start();
server.join();
}
}

172
jetty-server/src/main/java/org/eclipse/jetty/server/ConnectorStatistics.java
View File

@ -20,6 +20,12 @@ package org.eclipse.jetty.server;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;
import org.eclipse.jetty.io.Connection;
@ -42,22 +48,48 @@ import org.eclipse.jetty.util.statistic.SampleStatistic;
@ManagedObject("Connector Statistics")
public class ConnectorStatistics extends AbstractLifeCycle implements Dumpable, Connection.Listener
{
private final static Sample ZERO=new Sample();
private final AtomicLong _startMillis = new AtomicLong(-1L);
private final CounterStatistic _connectionStats = new CounterStatistic();
private final SampleStatistic _messagesIn = new SampleStatistic();
private final SampleStatistic _messagesOut = new SampleStatistic();
private final SampleStatistic _connectionDurationStats = new SampleStatistic();
private final ConcurrentMap<Connection, Sample> _samples = new ConcurrentHashMap<>();
private final AtomicInteger _closedIn = new AtomicInteger();
private final AtomicInteger _closedOut = new AtomicInteger();
private AtomicLong _nanoStamp=new AtomicLong();
private volatile int _messagesInPerSecond;
private volatile int _messagesOutPerSecond;
@Override
public void onOpened(Connection connection)
{
connectionOpened();
if (isStarted())
{
_connectionStats.increment();
_samples.put(connection,ZERO);
}
}
@Override
public void onClosed(Connection connection)
{
connectionClosed(System.currentTimeMillis()-connection.getCreatedTimeStamp(),connection.getMessagesIn(),connection.getMessagesOut());
if (isStarted())
{
int msgsIn=connection.getMessagesIn();
int msgsOut=connection.getMessagesOut();
_messagesIn.set(msgsIn);
_messagesOut.set(msgsOut);
_connectionStats.decrement();
_connectionDurationStats.set(System.currentTimeMillis()-connection.getCreatedTimeStamp());
Sample sample=_samples.remove(connection);
if (sample!=null)
{
_closedIn.addAndGet(msgsIn-sample._messagesIn);
_closedOut.addAndGet(msgsOut-sample._messagesOut);
}
}
}
@ManagedAttribute("Total number of bytes received by this connector")
@ -80,30 +112,24 @@ public class ConnectorStatistics extends AbstractLifeCycle implements Dumpable,
return (int)_connectionStats.getTotal();
}
@ManagedAttribute("Connection duraton maximum in ms")
public long getConnectionsDurationMax()
@ManagedAttribute("Connection duration maximum in ms")
public long getConnectionDurationMax()
{
return _connectionDurationStats.getMax();
}
@ManagedAttribute("Connection duraton mean in ms")
public double getConnectionsDurationMean()
@ManagedAttribute("Connection duration mean in ms")
public double getConnectionDurationMean()
{
return _connectionDurationStats.getMean();
}
@ManagedAttribute("Connection duraton standard deviation")
public double getConnectionsDurationStdDev()
@ManagedAttribute("Connection duration standard deviation")
public double getConnectionDurationStdDev()
{
return _connectionDurationStats.getStdDev();
}
@ManagedAttribute("Connection duraton total of all connections in ms")
public long getConnectionsDurationTotal()
{
return _connectionDurationStats.getTotal();
}
@ManagedAttribute("Messages In for all connections")
public int getMessagesIn()
{
@ -111,19 +137,19 @@ public class ConnectorStatistics extends AbstractLifeCycle implements Dumpable,
}
@ManagedAttribute("Messages In per connection maximum")
public int getConnectionsMessagesInMax()
public int getMessagesInPerConnectionMax()
{
return (int)_messagesIn.getMax();
}
@ManagedAttribute("Messages In per connection mean")
public double getConnectionsMessagesInMean()
public double getMessagesInPerConnectionMean()
{
return _messagesIn.getMean();
}
@ManagedAttribute("Messages In per connection standard deviation")
public double getConnectionsMessagesInStdDev()
public double getMessagesInPerConnectionStdDev()
{
return _messagesIn.getStdDev();
}
@ -146,6 +172,24 @@ public class ConnectorStatistics extends AbstractLifeCycle implements Dumpable,
return (int)_messagesIn.getTotal();
}
@ManagedAttribute("Messages In per connection maximum")
public int getMessagesOutPerConnectionMax()
{
return (int)_messagesIn.getMax();
}
@ManagedAttribute("Messages In per connection mean")
public double getMessagesOutPerConnectionMean()
{
return _messagesIn.getMean();
}
@ManagedAttribute("Messages In per connection standard deviation")
public double getMessagesOutPerConnectionStdDev()
{
return _messagesIn.getStdDev();
}
@ManagedAttribute("Connection statistics started ms since epoch")
public long getStartedMillis()
{
@ -153,6 +197,20 @@ public class ConnectorStatistics extends AbstractLifeCycle implements Dumpable,
return start < 0 ? 0 : System.currentTimeMillis() - start;
}
@ManagedAttribute("Messages in per second calculated over period since last called")
public int getMessagesInPerSecond()
{
update();
return _messagesInPerSecond;
}
@ManagedAttribute("Messages out per second calculated over period since last called")
public int getMessagesOutPerSecond()
{
update();
return _messagesOutPerSecond;
}
@Override
public void doStart()
{
@ -162,6 +220,7 @@ public class ConnectorStatistics extends AbstractLifeCycle implements Dumpable,
@Override
public void doStop()
{
_samples.clear();
}
@ManagedOperation("Reset the statistics")
@ -172,34 +231,7 @@ public class ConnectorStatistics extends AbstractLifeCycle implements Dumpable,
_messagesOut.reset();
_connectionStats.reset();
_connectionDurationStats.reset();
}
public void connectionOpened()
{
if (isStarted())
{
_connectionStats.increment();
}
}
public void connectionUpgraded(int messagesIn, int messagesOut)
{
if (isStarted())
{
_messagesIn.set(messagesIn);
_messagesOut.set(messagesOut);
}
}
public void connectionClosed(long duration, int messagesIn, int messagesOut)
{
if (isStarted())
{
_messagesIn.set(messagesIn);
_messagesOut.set(messagesOut);
_connectionStats.decrement();
_connectionDurationStats.set(duration);
}
_samples.clear();
}
@Override
@ -223,5 +255,55 @@ public class ConnectorStatistics extends AbstractLifeCycle implements Dumpable,
if (connector instanceof Container)
((Container)connector).addBean(new ConnectorStatistics());
}
}
private static final long SECOND_NANOS=TimeUnit.SECONDS.toNanos(1);
private synchronized void update()
{
long now=System.nanoTime();
long then=_nanoStamp.get();
long duration=now-then;
if (duration>SECOND_NANOS/2)
{
if (_nanoStamp.compareAndSet(then,now))
{
long msgsIn=_closedIn.getAndSet(0);
long msgsOut=_closedOut.getAndSet(0);
for (Map.Entry<Connection, Sample> entry : _samples.entrySet())
{
Connection connection=entry.getKey();
Sample sample = entry.getValue();
Sample next = new Sample(connection);
if (_samples.replace(connection,sample,next))
{
msgsIn+=next._messagesIn-sample._messagesIn;
msgsOut+=next._messagesOut-sample._messagesOut;
}
}
_messagesInPerSecond=(int)(msgsIn*SECOND_NANOS/duration);
_messagesOutPerSecond=(int)(msgsOut*SECOND_NANOS/duration);
}
}
}
private static class Sample
{
Sample()
{
_messagesIn=0;
_messagesOut=0;
}
Sample(Connection connection)
{
_messagesIn=connection.getMessagesIn();
_messagesOut=connection.getMessagesOut();
}
final int _messagesIn;
final int _messagesOut;
}
}

36
jetty-server/src/test/java/org/eclipse/jetty/server/SelectChannelStatisticsTest.java
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@ -143,14 +143,14 @@ public class SelectChannelStatisticsTest
assertEquals(1, _statistics.getConnectionsOpenMax());
assertTrue(_statistics.getConnectionsOpen() <= _statistics.getConnectionsOpenMax());
assertTrue(_statistics.getConnectionsDurationMean() > 0);
assertTrue(_statistics.getConnectionsDurationMax() > 0);
assertTrue(_statistics.getConnectionsDurationMean() <= _statistics.getConnectionsDurationMax());
assertTrue(_statistics.getConnectionDurationMean() > 0);
assertTrue(_statistics.getConnectionDurationMax() > 0);
assertTrue(_statistics.getConnectionDurationMean() <= _statistics.getConnectionDurationMax());
assertEquals(1, _statistics.getMessagesIn());
assertEquals(1.0, _statistics.getConnectionsMessagesInMean(), 0.01);
assertEquals(1, _statistics.getConnectionsMessagesInMax());
assertTrue(_statistics.getConnectionsMessagesInMean() <= _statistics.getConnectionsMessagesInMax());
assertEquals(1.0, _statistics.getMessagesInPerConnectionMean(), 0.01);
assertEquals(1, _statistics.getMessagesInPerConnectionMax());
assertTrue(_statistics.getMessagesInPerConnectionMean() <= _statistics.getMessagesInPerConnectionMax());
}
@Test
@ -169,14 +169,14 @@ public class SelectChannelStatisticsTest
assertEquals(1, _statistics.getConnectionsOpenMax());
assertTrue(_statistics.getConnectionsOpen() <= _statistics.getConnectionsOpenMax());
assertTrue(_statistics.getConnectionsDurationMean() > 0);
assertTrue(_statistics.getConnectionsDurationMax() > 0);
assertTrue(_statistics.getConnectionsDurationMean() <= _statistics.getConnectionsDurationMax());
assertTrue(_statistics.getConnectionDurationMean() > 0);
assertTrue(_statistics.getConnectionDurationMax() > 0);
assertTrue(_statistics.getConnectionDurationMean() <= _statistics.getConnectionDurationMax());
assertEquals(2, _statistics.getMessagesIn());
assertEquals(2.0, _statistics.getConnectionsMessagesInMean(), 0.01);
assertEquals(2, _statistics.getConnectionsMessagesInMax());
assertTrue(_statistics.getConnectionsMessagesInMean() <= _statistics.getConnectionsMessagesInMax());
assertEquals(2.0, _statistics.getMessagesInPerConnectionMean(), 0.01);
assertEquals(2, _statistics.getMessagesInPerConnectionMax());
assertTrue(_statistics.getMessagesInPerConnectionMean() <= _statistics.getMessagesInPerConnectionMax());
}
@Test
@ -203,14 +203,14 @@ public class SelectChannelStatisticsTest
assertEquals(3, _statistics.getConnectionsOpenMax());
assertTrue(_statistics.getConnectionsOpen() <= _statistics.getConnectionsOpenMax());
assertTrue(_statistics.getConnectionsDurationMean() > 0);
assertTrue(_statistics.getConnectionsDurationMax() > 0);
assertTrue(_statistics.getConnectionsDurationMean() <= _statistics.getConnectionsDurationMax());
assertTrue(_statistics.getConnectionDurationMean() > 0);
assertTrue(_statistics.getConnectionDurationMax() > 0);
assertTrue(_statistics.getConnectionDurationMean() <= _statistics.getConnectionDurationMax());
assertEquals(6, _statistics.getMessagesIn());
assertEquals(2.0, _statistics.getConnectionsMessagesInMean(), 0.01);
assertEquals(3, _statistics.getConnectionsMessagesInMax());
assertTrue(_statistics.getConnectionsMessagesInMean() <= _statistics.getConnectionsMessagesInMax());
assertEquals(2.0, _statistics.getMessagesInPerConnectionMean(), 0.01);
assertEquals(3, _statistics.getMessagesInPerConnectionMax());
assertTrue(_statistics.getMessagesInPerConnectionMean() <= _statistics.getMessagesInPerConnectionMax());
}
protected void doInit(int count)