Modifier and Type	Class and Description
public class	LowResourceMonitor.ConnectorsThreadPoolLowResourceCheck
public static interface	LowResourceMonitor.LowResourceCheck
private static class	LowResourceMonitor.LRMScheduler
public class	LowResourceMonitor.MainThreadPoolLowResourceCheck
public class	LowResourceMonitor.MaxConnectionsLowResourceCheck
public class	LowResourceMonitor.MemoryLowResourceCheck

Modifier and Type	Field and Description
private Set<AbstractConnector>	_acceptingConnectors
private boolean	_acceptingInLowResources
private final AtomicBoolean	_low
private Set<LowResourceMonitor.LowResourceCheck>	_lowResourceChecks
private int	_lowResourcesIdleTimeout
private long	_lowStarted
private int	_maxLowResourcesTime
private final Runnable	_monitor
private Connector[]	_monitoredConnectors
private int	_period
private String	_reasons
private Scheduler	_scheduler
protected final Server	_server
private static final Logger	LOG Hides org.eclipse.jetty.util.component.ContainerLifeCycle.LOG.

Access	Constructor and Description
public	LowResourceMonitor(Server server)

Method Summary

Modifier and Type	Method and Description
public void	addLowResourceCheck(LowResourceMonitor.LowResourceCheck lowResourceCheck)
protected void	clearLowResources()
protected void	doStart() Overrides org.eclipse.jetty.util.component.ContainerLifeCycle.doStart. Starts the managed lifecycle beans in the order they were added.
protected void	doStop() Overrides org.eclipse.jetty.util.component.ContainerLifeCycle.doStop. Stops the managed lifecycle beans in the reverse order they were added.
protected boolean	enableLowOnResources(boolean expectedValue, boolean newValue)
public Set<LowResourceMonitor.LowResourceCheck>	getLowResourceChecks()
public int	getLowResourcesIdleTimeout()
public String	getLowResourcesReasons()
public long	getLowResourcesStarted()
public int	getMaxLowResourcesTime()
public long	getMaxMemory()
public Collection<Connector>	getMonitoredConnectors()
protected Connector[]	getMonitoredOrServerConnectors()
public boolean	getMonitorThreads()
public int	getPeriod()
public String	getReasons()
public boolean	isAcceptingInLowResources()
public boolean	isLowOnResources()
protected String	low(String reasons, String newReason)
protected void	monitor()
public void	setAcceptingInLowResources(boolean acceptingInLowResources)
public void	setLowResourceChecks(Set<LowResourceMonitor.LowResourceCheck> lowResourceChecks)
protected void	setLowResources()
public void	setLowResourcesIdleTimeout(int The timeout in ms to apply to EndPoints when in the low resources state. lowResourcesIdleTimeoutMS)
protected void	setLowResourcesReasons(String reasons)
public void	setLowResourcesStarted(long lowStarted)
public void	setMaxLowResourcesTime(int The time in milliseconds that a low resource state can persist before the low resource idle timeout is reapplied to all connections maxLowResourcesTimeMS)
public void	setMaxMemory(long The maximum memory in bytes in use before low resources is triggered. maxMemoryBytes)
public void	setMonitoredConnectors(Collection<Connector> The collections of Connectors that should be monitored for low resources. monitoredConnectors)
public void	setMonitorThreads(boolean If true, check connectors executors to see if they are `ThreadPool` instances that are low on threads. monitorThreads)
public void	setPeriod(int The period in ms to monitor for low resources periodMS)
protected void	setReasons(String reasons)

Field Detail

_acceptingConnectors	back to summary
private Set<AbstractConnector> _acceptingConnectors

_acceptingInLowResources	back to summary
private boolean _acceptingInLowResources

_low	back to summary
private final AtomicBoolean _low

_lowResourceChecks	back to summary
private Set<LowResourceMonitor.LowResourceCheck> _lowResourceChecks

_lowResourcesIdleTimeout	back to summary
private int _lowResourcesIdleTimeout

_lowStarted	back to summary
private long _lowStarted

_maxLowResourcesTime	back to summary
private int _maxLowResourcesTime

_monitor	back to summary
private final Runnable _monitor

_monitoredConnectors	back to summary
private Connector[] _monitoredConnectors

_period	back to summary
private int _period

_reasons	back to summary
private String _reasons

_scheduler	back to summary
private Scheduler _scheduler

_server	back to summary
protected final Server _server

LOG	back to summary
private static final Logger LOG Hides org.eclipse.jetty.util.component.ContainerLifeCycle.LOG.

Constructor Detail

LowResourceMonitor	back to summary
public LowResourceMonitor(Server server)

Method Detail

addLowResourceCheck	back to summary
public void addLowResourceCheck(LowResourceMonitor.LowResourceCheck lowResourceCheck)

clearLowResources	back to summary
protected void clearLowResources()

doStart	back to summary
protected void doStart() throws Exception Overrides org.eclipse.jetty.util.component.ContainerLifeCycle.doStart. Doc from org.eclipse.jetty.util.component.ContainerLifeCycle.doStart. Starts the managed lifecycle beans in the order they were added. Annotations @Override Exceptions Exception: Doc from org.eclipse.jetty.util.component.AbstractLifeCycle.doStart. If there was a problem starting. Will cause a transition to FAILED state

doStart

back to summary

protected void doStart() throws Exception

Overrides org.eclipse.jetty.util.component.ContainerLifeCycle.doStart.

Doc from org.eclipse.jetty.util.component.ContainerLifeCycle.doStart.

Starts the managed lifecycle beans in the order they were added.

Annotations

@Override

Exceptions

Exception:

Doc from org.eclipse.jetty.util.component.AbstractLifeCycle.doStart.

If there was a problem starting. Will cause a transition to FAILED state

doStop	back to summary
protected void doStop() throws Exception Overrides org.eclipse.jetty.util.component.ContainerLifeCycle.doStop. Doc from org.eclipse.jetty.util.component.ContainerLifeCycle.doStop. Stops the managed lifecycle beans in the reverse order they were added. Annotations @Override Exceptions Exception: Doc from org.eclipse.jetty.util.component.AbstractLifeCycle.doStop. If there was a problem stopping. Will cause a transition to FAILED state

doStop

back to summary

protected void doStop() throws Exception

Overrides org.eclipse.jetty.util.component.ContainerLifeCycle.doStop.

Doc from org.eclipse.jetty.util.component.ContainerLifeCycle.doStop.

Stops the managed lifecycle beans in the reverse order they were added.

Annotations

@Override

Exceptions

Exception:

Doc from org.eclipse.jetty.util.component.AbstractLifeCycle.doStop.

If there was a problem stopping. Will cause a transition to FAILED state

enableLowOnResources	back to summary
protected boolean enableLowOnResources(boolean expectedValue, boolean newValue)

getLowResourceChecks	back to summary
public Set<LowResourceMonitor.LowResourceCheck> getLowResourceChecks()

getLowResourcesIdleTimeout	back to summary
public int getLowResourcesIdleTimeout() Annotations @ManagedAttribute:The idletimeout in ms to apply to all existing connections when low resources is detected

getLowResourcesReasons	back to summary
public String getLowResourcesReasons() Annotations @ManagedAttribute:The reason(s) the monitored connectors are low on resources

getLowResourcesStarted	back to summary
public long getLowResourcesStarted() Annotations @ManagedAttribute:Get the timestamp in ms since epoch that low resources state started

getMaxLowResourcesTime	back to summary
public int getMaxLowResourcesTime() Annotations @ManagedAttribute:The maximum time in ms that low resources condition can persist before lowResourcesIdleTimeout is applied to new connections as well as existing connections

getMaxMemory	back to summary
public long getMaxMemory() Annotations @ManagedAttribute:The maximum memory (in bytes) that can be used before low resources is triggered. Memory used is calculated as (totalMemory-freeMemory).

getMonitoredConnectors	back to summary
public Collection<Connector> getMonitoredConnectors() Annotations @ManagedAttribute:The monitored connectors. If null then all server connectors are monitored

getMonitoredOrServerConnectors	back to summary
protected Connector[] getMonitoredOrServerConnectors()

getMonitorThreads	back to summary
public boolean getMonitorThreads() Annotations @ManagedAttribute:True if low available threads status is monitored

getPeriod	back to summary
public int getPeriod() Annotations @ManagedAttribute:The monitor period in ms

getReasons	back to summary
public String getReasons() Annotations @ManagedAttribute:The reasons the monitored connectors are low on resources

isAcceptingInLowResources	back to summary
public boolean isAcceptingInLowResources() Annotations @ManagedAttribute:If false, new connections are not accepted while in low resources

isLowOnResources	back to summary
public boolean isLowOnResources() Annotations @ManagedAttribute:Are the monitored connectors low on resources?

low	back to summary
protected String low(String reasons, String newReason)

monitor	back to summary
protected void monitor()

setAcceptingInLowResources	back to summary
public void setAcceptingInLowResources(boolean acceptingInLowResources)

setLowResourceChecks	back to summary
public void setLowResourceChecks(Set<LowResourceMonitor.LowResourceCheck> lowResourceChecks)

setLowResources	back to summary
protected void setLowResources()

setLowResourcesIdleTimeout	back to summary
public void setLowResourcesIdleTimeout(int lowResourcesIdleTimeoutMS) Parameters lowResourcesIdleTimeoutMS:int The timeout in ms to apply to EndPoints when in the low resources state.

setLowResourcesReasons	back to summary
protected void setLowResourcesReasons(String reasons)

setLowResourcesStarted	back to summary
public void setLowResourcesStarted(long lowStarted)

setMaxLowResourcesTime	back to summary
public void setMaxLowResourcesTime(int maxLowResourcesTimeMS) Parameters maxLowResourcesTimeMS:int The time in milliseconds that a low resource state can persist before the low resource idle timeout is reapplied to all connections

setMaxMemory	back to summary
public void setMaxMemory(long maxMemoryBytes) Parameters maxMemoryBytes:long The maximum memory in bytes in use before low resources is triggered.

setMonitoredConnectors	back to summary
public void setMonitoredConnectors(Collection<Connector> monitoredConnectors) Parameters monitoredConnectors:Collection<Connector> The collections of Connectors that should be monitored for low resources.

setMonitorThreads	back to summary
public void setMonitorThreads(boolean monitorThreads) Parameters monitorThreads:boolean If true, check connectors executors to see if they are `ThreadPool` instances that are low on threads.

setPeriod	back to summary
public void setPeriod(int periodMS) Parameters periodMS:int The period in ms to monitor for low resources

setReasons	back to summary
protected void setReasons(String reasons)

org.eclipse.jetty.server back to summary

public Class LowResourceMonitor.ConnectorsThreadPoolLowResourceCheck

Class Inheritance

extends Object
implements LowResourceCheck

java.lang.Object
org.eclipse.jetty.server.LowResourceMonitor.ConnectorsThreadPoolLowResourceCheck

All Implemented Interfaces

org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck

Field Summary

Modifier and Type	Field and Description
private String	reason

Constructor Summary

Access	Constructor and Description
public	ConnectorsThreadPoolLowResourceCheck()

Method Summary

Modifier and Type	Method and Description
public String	getReason() Implements org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck.getReason.
public boolean	isLowOnResources() Implements org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck.isLowOnResources.
public String	toString() Overrides java.lang.Object.toString. Returns a string representation of the object.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll wait wait wait

Field Detail

reason	back to summary
private String reason

Constructor Detail

ConnectorsThreadPoolLowResourceCheck	back to summary
public ConnectorsThreadPoolLowResourceCheck()

Method Detail

getReason

back to summary

public String getReason()

Implements org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck.getReason.

Annotations

@Override

isLowOnResources

back to summary

public boolean isLowOnResources()

Implements org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck.isLowOnResources.

Annotations

@Override

toString

back to summary

public String toString()

Overrides java.lang.Object.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object.

Returns:String

a string representation of the object.

Annotations

@Override

org.eclipse.jetty.server back to summary

public Interface LowResourceMonitor.LowResourceCheck

Known Direct Implementers: org.eclipse.jetty.server.LowResourceMonitor.MainThreadPoolLowResourceCheck, org.eclipse.jetty.server.LowResourceMonitor.ConnectorsThreadPoolLowResourceCheck, org.eclipse.jetty.server.LowResourceMonitor.MaxConnectionsLowResourceCheck, org.eclipse.jetty.server.LowResourceMonitor.MemoryLowResourceCheck

Method Summary

Modifier and Type	Method and Description
public String	getReason()
public boolean	isLowOnResources()

Method Detail

getReason	back to summary
public String getReason()

isLowOnResources	back to summary
public boolean isLowOnResources()

org.eclipse.jetty.server back to summary

public Class LowResourceMonitor.MainThreadPoolLowResourceCheck

Class Inheritance

extends Object
implements LowResourceCheck

java.lang.Object
org.eclipse.jetty.server.LowResourceMonitor.MainThreadPoolLowResourceCheck

All Implemented Interfaces

org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck

Field Summary

Modifier and Type	Field and Description
private String	reason

Constructor Summary

Access	Constructor and Description
public	MainThreadPoolLowResourceCheck()

Method Summary

Modifier and Type	Method and Description
public String	getReason() Implements org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck.getReason.
public boolean	isLowOnResources() Implements org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck.isLowOnResources.
public String	toString() Overrides java.lang.Object.toString. Returns a string representation of the object.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll wait wait wait

Field Detail

reason	back to summary
private String reason

Constructor Detail

MainThreadPoolLowResourceCheck	back to summary
public MainThreadPoolLowResourceCheck()

Method Detail

getReason

back to summary

public String getReason()

Implements org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck.getReason.

Annotations

@Override

isLowOnResources

back to summary

public boolean isLowOnResources()

Implements org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck.isLowOnResources.

Annotations

@Override

toString

back to summary

public String toString()

Overrides java.lang.Object.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object.

Returns:String

a string representation of the object.

Annotations

@Override

org.eclipse.jetty.server back to summary

public Class LowResourceMonitor.MaxConnectionsLowResourceCheck

Class Inheritance

extends Object
implements LowResourceCheck

java.lang.Object
org.eclipse.jetty.server.LowResourceMonitor.MaxConnectionsLowResourceCheck

All Implemented Interfaces

org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck

Annotations

@ManagedObject:Check max allowed connections on connectors

Field Summary

Modifier and Type	Field and Description
private int	maxConnections
private String	reason

Constructor Summary

Access	Constructor and Description
public	MaxConnectionsLowResourceCheck(int maxConnections)

Method Summary

Modifier and Type	Method and Description
public String	getReason() Implements org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck.getReason.
public boolean	isLowOnResources() Implements org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck.isLowOnResources.
public String	toString() Overrides java.lang.Object.toString. Returns a string representation of the object.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll wait wait wait

Field Detail

maxConnections	back to summary
private int maxConnections

reason	back to summary
private String reason

Constructor Detail

MaxConnectionsLowResourceCheck	back to summary
public MaxConnectionsLowResourceCheck(int maxConnections)

Method Detail

getReason

back to summary

public String getReason()

Implements org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck.getReason.

Annotations

@Override

isLowOnResources

back to summary

public boolean isLowOnResources()

Implements org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck.isLowOnResources.

Annotations

@Override

toString

back to summary

public String toString()

Overrides java.lang.Object.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object.

Returns:String

a string representation of the object.

Annotations

@Override

org.eclipse.jetty.server back to summary

public Class LowResourceMonitor.MemoryLowResourceCheck

Class Inheritance

extends Object
implements LowResourceCheck

java.lang.Object
org.eclipse.jetty.server.LowResourceMonitor.MemoryLowResourceCheck

All Implemented Interfaces

org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck

Field Summary

Modifier and Type	Field and Description
private long	maxMemory
private String	reason

Constructor Summary

Access	Constructor and Description
public	MemoryLowResourceCheck(long maxMemory)

Method Summary

Modifier and Type	Method and Description
public long	getMaxMemory()
public String	getReason() Implements org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck.getReason.
public boolean	isLowOnResources() Implements org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck.isLowOnResources.
public void	setMaxMemory(long The maximum memory in bytes in use before low resources is triggered. maxMemoryBytes)
public String	toString() Overrides java.lang.Object.toString. Returns a string representation of the object.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll wait wait wait

Field Detail

maxMemory	back to summary
private long maxMemory

reason	back to summary
private String reason

Constructor Detail

MemoryLowResourceCheck	back to summary
public MemoryLowResourceCheck(long maxMemory)

Method Detail

getMaxMemory	back to summary
public long getMaxMemory()

getReason

back to summary

public String getReason()

Implements org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck.getReason.

Annotations

@Override

isLowOnResources

back to summary

public boolean isLowOnResources()

Implements org.eclipse.jetty.server.LowResourceMonitor.LowResourceCheck.isLowOnResources.

Annotations

@Override

setMaxMemory	back to summary
public void setMaxMemory(long maxMemoryBytes) Parameters maxMemoryBytes:long The maximum memory in bytes in use before low resources is triggered.

toString

back to summary

public String toString()

Overrides java.lang.Object.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object.

Returns:String

a string representation of the object.

Annotations

@Override

public Class LowResourceMonitor

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

public Class LowResourceMonitor.ConnectorsThreadPoolLowResourceCheck

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

public Interface LowResourceMonitor.LowResourceCheck

Method Summary

Method Detail

private Class LowResourceMonitor.LRMScheduler

Constructor Summary

Method Summary

Constructor Detail

public Class LowResourceMonitor.MainThreadPoolLowResourceCheck

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

public Class LowResourceMonitor.MaxConnectionsLowResourceCheck

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

public Class LowResourceMonitor.MemoryLowResourceCheck

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail