Package org.apache.ignite.internal

Class ClusterMetricsMXBeanImpl

java.lang.Object

org.apache.ignite.internal.ClusterMetricsMXBeanImpl

All Implemented Interfaces:

ClusterMetrics, ClusterMetricsMXBean

public class ClusterMetricsMXBeanImpl
extends Object
implements ClusterMetricsMXBean

Cluster metrics MBean.

Constructor Summary

Constructors

Constructor	Description
ClusterMetricsMXBeanImpl(ClusterGroup cluster, GridKernalContext ctx)

Method Summary

Modifier and Type	Method	Description
Set<String>	attributeNames()
Set<String>	attributeValues(String attrName)
int	getActiveBaselineNodes()	Get count of active baseline nodes.
float	getAverageActiveJobs()	Gets average number of active jobs concurrently executing on the node.
float	getAverageCancelledJobs()	Gets average number of cancelled jobs this node ever had running concurrently.
double	getAverageCpuLoad()	Gets average of CPU load values over all metrics kept in the history.
double	getAverageJobExecuteTime()	Gets average time a job takes to execute on the node.
double	getAverageJobWaitTime()	Gets average time jobs spend waiting in the queue to be executed.
float	getAverageRejectedJobs()	Gets average number of jobs this node rejects during collision resolution operations.
float	getAverageWaitingJobs()	Gets average number of waiting jobs this node had queued.
float	getBusyTimePercentage()	Gets percentage of time this node is busy executing jobs vs. idling.
int	getCurrentActiveJobs()	Gets number of currently active jobs concurrently executing on the node.
int	getCurrentCancelledJobs()	Gets number of cancelled jobs that are still running.
double	getCurrentCpuLoad()	Returns the CPU usage in [0, 1] range.
int	getCurrentDaemonThreadCount()	Returns the current number of live daemon threads.
double	getCurrentGcCpuLoad()	Returns average time spent in CG since the last update.
long	getCurrentIdleTime()	Gets time this node spend idling since executing last job.
long	getCurrentJobExecuteTime()	Gets longest time a current job has been executing for.
long	getCurrentJobWaitTime()	Gets current time an oldest jobs has spent waiting to be executed.
long	getCurrentPmeDuration()	Gets execution duration for current partition map exchange in milliseconds.
int	getCurrentRejectedJobs()	Gets number of jobs rejected after more recent collision resolution operation.
int	getCurrentThreadCount()	Returns the current number of live threads including both daemon and non-daemon threads.
int	getCurrentWaitingJobs()	Gets number of queued jobs currently waiting to be executed.
long	getHeapMemoryCommitted()	Returns the amount of heap memory in bytes that is committed for the JVM to use.
long	getHeapMemoryInitialized()	Returns the amount of heap memory in bytes that the JVM initially requests from the operating system for memory management.
long	getHeapMemoryMaximum()	Returns the maximum amount of heap memory in bytes that can be used for memory management.
long	getHeapMemoryTotal()	Returns the total amount of heap memory in bytes.
long	getHeapMemoryUsed()	Returns the current heap size that is used for object allocation.
float	getIdleTimePercentage()	Gets percentage of time this node is idling vs. executing jobs.
long	getLastDataVersion()	In-Memory Data Grid assigns incremental versions to all cache operations.
long	getLastUpdateTime()	Gets last update time of this node metrics.
int	getMaximumActiveJobs()	Gets maximum number of jobs that ever ran concurrently on this node.
int	getMaximumCancelledJobs()	Gets maximum number of cancelled jobs this node ever had running concurrently.
long	getMaximumJobExecuteTime()	Gets time it took to execute the longest job on the node.
long	getMaximumJobWaitTime()	Gets maximum time a job ever spent waiting in a queue to be executed.
int	getMaximumRejectedJobs()	Gets maximum number of jobs rejected at once during a single collision resolution operation.
int	getMaximumThreadCount()	Returns the maximum live thread count since the JVM started or peak was reset.
int	getMaximumWaitingJobs()	Gets maximum number of waiting jobs this node had.
long	getNodeStartTime()	Returns the start time of grid node in milliseconds.
long	getNonHeapMemoryCommitted()	Returns the amount of non-heap memory in bytes that is committed for the JVM to use.
long	getNonHeapMemoryInitialized()	Returns the amount of non-heap memory in bytes that the JVM initially requests from the operating system for memory management.
long	getNonHeapMemoryMaximum()	Returns the maximum amount of non-heap memory in bytes that can be used for memory management.
long	getNonHeapMemoryTotal()	Returns the total amount of non-heap memory in bytes that can be used for memory management.
long	getNonHeapMemoryUsed()	Returns the current non-heap memory size that is used by Java VM.
int	getOutboundMessagesQueueSize()	Gets outbound messages queue size.
long	getReceivedBytesCount()	Gets received bytes count.
int	getReceivedMessagesCount()	Gets received messages count.
long	getSentBytesCount()	Gets sent bytes count.
int	getSentMessagesCount()	Gets sent messages count.
long	getStartTime()	Returns the start time of the JVM in milliseconds.
long	getTopologyVersion()	Get current topology version.
int	getTotalBaselineNodes()	Get count of total baseline nodes.
long	getTotalBusyTime()	Gets total time this node spent executing jobs.
int	getTotalCancelledJobs()	Gets number of cancelled jobs since node startup.
int	getTotalClientNodes()	Get count of client nodes.
int	getTotalCpus()	Returns the number of CPUs available to the Java Virtual Machine.
int	getTotalExecutedJobs()	Gets total number of jobs handled by the node since node startup.
int	getTotalExecutedTasks()	Gets total number of tasks handled by the node.
long	getTotalIdleTime()	Gets total time this node spent idling (not executing any jobs).
long	getTotalJobsExecutionTime()	Gets total time all finished jobs takes to execute on the node since node startup.
int	getTotalNodes()	Gets total number of nodes.
int	getTotalRejectedJobs()	Gets total number of jobs this node rejects during collision resolution operations since node startup.
int	getTotalServerNodes()	Get count of server nodes.
long	getTotalStartedThreadCount()	Returns the total number of threads created and also started since the JVM started.
long	getUpTime()	Returns the uptime of the JVM in milliseconds.
Set<UUID>	nodeIdsForAttribute(String attrName, String attrVal, boolean includeSrvs, boolean includeClients)
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ClusterMetricsMXBeanImpl

public ClusterMetricsMXBeanImpl(ClusterGroup cluster,
                                GridKernalContext ctx)

Parameters:

cluster - Cluster group to manage.

ctx - Kernal context.

Method Detail

getTotalCpus

public int getTotalCpus()

Returns the number of CPUs available to the Java Virtual Machine. This method is equivalent to the Runtime.availableProcessors() method.

Note that this value may change during successive invocations of the virtual machine.

Specified by:

getTotalCpus in interface ClusterMetrics

Specified by:

getTotalCpus in interface ClusterMetricsMXBean

Returns:

The number of processors available to the virtual machine, never smaller than one.

getAverageActiveJobs

public float getAverageActiveJobs()

Gets average number of active jobs concurrently executing on the node.

Note: all aggregated metrics like average, minimum, maximum, total, count are calculated over all the metrics kept in history. The history size is set via either one or both of configuration settings:

• IgniteConfiguration.getMetricsExpireTime()
• IgniteConfiguration.getMetricsHistorySize()

Specified by:

getAverageActiveJobs in interface ClusterMetrics

Specified by:

getAverageActiveJobs in interface ClusterMetricsMXBean

Returns:

Average number of active jobs.

getAverageCancelledJobs

public float getAverageCancelledJobs()

Gets average number of cancelled jobs this node ever had running concurrently.

Note: all aggregated metrics like average, minimum, maximum, total, count are calculated over all the metrics kept in history. The history size is set via either one or both of configuration settings:

• IgniteConfiguration.getMetricsExpireTime()
• IgniteConfiguration.getMetricsHistorySize()

Specified by:

getAverageCancelledJobs in interface ClusterMetrics

Specified by:

getAverageCancelledJobs in interface ClusterMetricsMXBean

Returns:

Average number of cancelled jobs.

getAverageJobExecuteTime

public double getAverageJobExecuteTime()

Gets average time a job takes to execute on the node.

Note: all aggregated metrics like average, minimum, maximum, total, count are calculated over all the metrics kept in history. The history size is set via either one or both of configuration settings:

• IgniteConfiguration.getMetricsExpireTime()
• IgniteConfiguration.getMetricsHistorySize()

Specified by:

getAverageJobExecuteTime in interface ClusterMetrics

Specified by:

getAverageJobExecuteTime in interface ClusterMetricsMXBean

Returns:

Average job execution time.

getAverageJobWaitTime

public double getAverageJobWaitTime()

Gets average time jobs spend waiting in the queue to be executed.

Note: all aggregated metrics like average, minimum, maximum, total, count are calculated over all the metrics kept in history. The history size is set via either one or both of configuration settings:

• IgniteConfiguration.getMetricsExpireTime()
• IgniteConfiguration.getMetricsHistorySize()

Specified by:

getAverageJobWaitTime in interface ClusterMetrics

Specified by:

getAverageJobWaitTime in interface ClusterMetricsMXBean

Returns:

Average job wait time.

getAverageRejectedJobs

public float getAverageRejectedJobs()

Gets average number of jobs this node rejects during collision resolution operations.

Note: all aggregated metrics like average, minimum, maximum, total, count are calculated over all the metrics kept in history. The history size is set via either one or both of grid configuration settings:

• IgniteConfiguration.getMetricsExpireTime()
• IgniteConfiguration.getMetricsHistorySize()

Specified by:

getAverageRejectedJobs in interface ClusterMetrics

Specified by:

getAverageRejectedJobs in interface ClusterMetricsMXBean

Returns:

Average number of jobs this node rejects during collision resolution operations.

getAverageWaitingJobs

public float getAverageWaitingJobs()

Gets average number of waiting jobs this node had queued.

Note: all aggregated metrics like average, minimum, maximum, total, count are calculated over all the metrics kept in history. The history size is set via either one or both of configuration settings:

• IgniteConfiguration.getMetricsExpireTime()
• IgniteConfiguration.getMetricsHistorySize()

Specified by:

getAverageWaitingJobs in interface ClusterMetrics

Specified by:

getAverageWaitingJobs in interface ClusterMetricsMXBean

Returns:

Average number of waiting jobs.

getBusyTimePercentage

public float getBusyTimePercentage()

Gets percentage of time this node is busy executing jobs vs. idling.

Specified by:

getBusyTimePercentage in interface ClusterMetrics

Specified by:

getBusyTimePercentage in interface ClusterMetricsMXBean

Returns:

Percentage of time this node is busy (value is less than or equal to 1 and greater than or equal to 0)

getCurrentActiveJobs

public int getCurrentActiveJobs()

Gets number of currently active jobs concurrently executing on the node.

Specified by:

getCurrentActiveJobs in interface ClusterMetrics

Specified by:

getCurrentActiveJobs in interface ClusterMetricsMXBean

Returns:

Number of currently active jobs concurrently executing on the node.

getCurrentCancelledJobs

public int getCurrentCancelledJobs()

Gets number of cancelled jobs that are still running. Just like regular java threads, jobs will receive cancel notification, but it's ultimately up to the job itself to gracefully exit.

Specified by:

getCurrentCancelledJobs in interface ClusterMetrics

Specified by:

getCurrentCancelledJobs in interface ClusterMetricsMXBean

Returns:

Number of cancelled jobs that are still running.

getCurrentIdleTime

public long getCurrentIdleTime()

Gets time this node spend idling since executing last job.

Specified by:

getCurrentIdleTime in interface ClusterMetrics

Specified by:

getCurrentIdleTime in interface ClusterMetricsMXBean

Returns:

Time this node spend idling since executing last job.

getCurrentJobExecuteTime

public long getCurrentJobExecuteTime()

Gets longest time a current job has been executing for.

Specified by:

getCurrentJobExecuteTime in interface ClusterMetrics

Specified by:

getCurrentJobExecuteTime in interface ClusterMetricsMXBean

Returns:

Longest time a current job has been executing for.

getCurrentJobWaitTime

public long getCurrentJobWaitTime()

Gets current time an oldest jobs has spent waiting to be executed.

Specified by:

getCurrentJobWaitTime in interface ClusterMetrics

Specified by:

getCurrentJobWaitTime in interface ClusterMetricsMXBean

Returns:

Current wait time of oldest job.

getCurrentRejectedJobs

public int getCurrentRejectedJobs()

Gets number of jobs rejected after more recent collision resolution operation.

Specified by:

getCurrentRejectedJobs in interface ClusterMetrics

Specified by:

getCurrentRejectedJobs in interface ClusterMetricsMXBean

Returns:

Number of jobs rejected after more recent collision resolution operation.

getCurrentWaitingJobs

public int getCurrentWaitingJobs()

Gets number of queued jobs currently waiting to be executed.

Specified by:

getCurrentWaitingJobs in interface ClusterMetrics

Specified by:

getCurrentWaitingJobs in interface ClusterMetricsMXBean

Returns:

Number of queued jobs currently waiting to be executed.

getTotalExecutedTasks

public int getTotalExecutedTasks()

Gets total number of tasks handled by the node.

Note: all aggregated metrics like average, minimum, maximum, total, count are calculated over all the metrics kept in history. The history size is set via either one or both of configuration settings:

• IgniteConfiguration.getMetricsExpireTime()
• IgniteConfiguration.getMetricsHistorySize()

Specified by:

getTotalExecutedTasks in interface ClusterMetrics

Specified by:

getTotalExecutedTasks in interface ClusterMetricsMXBean

Returns:

Total number of jobs handled by the node.

getCurrentDaemonThreadCount

public int getCurrentDaemonThreadCount()

Returns the current number of live daemon threads.

Specified by:

getCurrentDaemonThreadCount in interface ClusterMetrics

Specified by:

getCurrentDaemonThreadCount in interface ClusterMetricsMXBean

Returns:

Current number of live daemon threads.

getHeapMemoryCommitted

public long getHeapMemoryCommitted()

Returns the amount of heap memory in bytes that is committed for the JVM to use. This amount of memory is guaranteed for the JVM to use. The heap consists of one or more memory pools. This value is the sum of committed heap memory values of all heap memory pools.

Note: this is not an aggregated metric and it's calculated from the time of the node's startup.

Specified by:

getHeapMemoryCommitted in interface ClusterMetrics

Specified by:

getHeapMemoryCommitted in interface ClusterMetricsMXBean

Returns:

The amount of committed memory in bytes.

getHeapMemoryInitialized

public long getHeapMemoryInitialized()

Returns the amount of heap memory in bytes that the JVM initially requests from the operating system for memory management. This method returns -1 if the initial memory size is undefined.

This value represents a setting of the heap memory for Java VM and is not a sum of all initial heap values for all memory pools.

Note: this is not an aggregated metric and it's calculated from the time of the node's startup.

Specified by:

getHeapMemoryInitialized in interface ClusterMetrics

Specified by:

getHeapMemoryInitialized in interface ClusterMetricsMXBean

Returns:

The initial size of memory in bytes; -1 if undefined.

getHeapMemoryMaximum

public long getHeapMemoryMaximum()

Returns the maximum amount of heap memory in bytes that can be used for memory management. This method returns -1 if the maximum memory size is undefined.

This amount of memory is not guaranteed to be available for memory management if it is greater than the amount of committed memory. The JVM may fail to allocate memory even if the amount of used memory does not exceed this maximum size.

This value represents a setting of the heap memory for Java VM and is not a sum of all initial heap values for all memory pools.

Note: this is not an aggregated metric and it's calculated from the time of the node's startup.

Specified by:

getHeapMemoryMaximum in interface ClusterMetrics

Specified by:

getHeapMemoryMaximum in interface ClusterMetricsMXBean

Returns:

The maximum amount of memory in bytes; -1 if undefined.

getHeapMemoryTotal

public long getHeapMemoryTotal()

Returns the total amount of heap memory in bytes. This method returns -1 if the total memory size is undefined.

This amount of memory is not guaranteed to be available for memory management if it is greater than the amount of committed memory. The JVM may fail to allocate memory even if the amount of used memory does not exceed this maximum size.

This value represents a setting of the heap memory for Java VM and is not a sum of all initial heap values for all memory pools.

Note: this is not an aggregated metric and it's calculated from the time of the node's startup.

Specified by:

getHeapMemoryTotal in interface ClusterMetrics

Specified by:

getHeapMemoryTotal in interface ClusterMetricsMXBean

Returns:

The total amount of memory in bytes; -1 if undefined.

getHeapMemoryUsed

public long getHeapMemoryUsed()

Returns the current heap size that is used for object allocation. The heap consists of one or more memory pools. This value is the sum of used heap memory values of all heap memory pools.

The amount of used memory in the returned is the amount of memory occupied by both live objects and garbage objects that have not been collected, if any.

Note: this is not an aggregated metric and it's calculated from the time of the node's startup.

Specified by:

getHeapMemoryUsed in interface ClusterMetrics

Specified by:

getHeapMemoryUsed in interface ClusterMetricsMXBean

Returns:

Amount of heap memory used.

getIdleTimePercentage

public float getIdleTimePercentage()

Gets percentage of time this node is idling vs. executing jobs.

Specified by:

getIdleTimePercentage in interface ClusterMetrics

Specified by:

getIdleTimePercentage in interface ClusterMetricsMXBean

Returns:

Percentage of time this node is idle (value is less than or equal to 1 and greater than or equal to 0)

getLastUpdateTime

public long getLastUpdateTime()

Gets last update time of this node metrics.

Specified by:

getLastUpdateTime in interface ClusterMetrics

Specified by:

getLastUpdateTime in interface ClusterMetricsMXBean

Returns:

Last update time.

getMaximumActiveJobs

public int getMaximumActiveJobs()

Gets maximum number of jobs that ever ran concurrently on this node. Note that this different from ClusterMetrics.getTotalExecutedJobs() metric and only reflects maximum number of jobs that ran at the same time.

Note: all aggregated metrics like average, minimum, maximum, total, count are calculated over all the metrics kept in history. The history size is set via either one or both of configuration settings:

• IgniteConfiguration.getMetricsExpireTime()
• IgniteConfiguration.getMetricsHistorySize()

Specified by:

getMaximumActiveJobs in interface ClusterMetrics

Specified by:

getMaximumActiveJobs in interface ClusterMetricsMXBean

Returns:

Maximum number of jobs that ever ran concurrently on this node.

getMaximumCancelledJobs

public int getMaximumCancelledJobs()

Gets maximum number of cancelled jobs this node ever had running concurrently.

Specified by:

getMaximumCancelledJobs in interface ClusterMetrics

Specified by:

getMaximumCancelledJobs in interface ClusterMetricsMXBean

Returns:

Maximum number of cancelled jobs.

getMaximumJobExecuteTime

public long getMaximumJobExecuteTime()

Gets time it took to execute the longest job on the node.

Note: all aggregated metrics like average, minimum, maximum, total, count are calculated over all the metrics kept in history. The history size is set via either one or both of configuration settings:

• IgniteConfiguration.getMetricsExpireTime()
• IgniteConfiguration.getMetricsHistorySize()

Specified by:

getMaximumJobExecuteTime in interface ClusterMetrics

Specified by:

getMaximumJobExecuteTime in interface ClusterMetricsMXBean

Returns:

Time it took to execute the longest job on the node.

getMaximumJobWaitTime

public long getMaximumJobWaitTime()

Gets maximum time a job ever spent waiting in a queue to be executed.

Note: all aggregated metrics like average, minimum, maximum, total, count are calculated over all the metrics kept in history. The history size is set via either one or both of configuration settings:

• IgniteConfiguration.getMetricsExpireTime()
• IgniteConfiguration.getMetricsHistorySize()

Specified by:

getMaximumJobWaitTime in interface ClusterMetrics

Specified by:

getMaximumJobWaitTime in interface ClusterMetricsMXBean

Returns:

Maximum waiting time.

getMaximumRejectedJobs

public int getMaximumRejectedJobs()

Gets maximum number of jobs rejected at once during a single collision resolution operation.

Note: all aggregated metrics like average, minimum, maximum, total, count are calculated over all the metrics kept in history. The history size is set via either one or both of configuration settings:

• IgniteConfiguration.getMetricsExpireTime()
• IgniteConfiguration.getMetricsHistorySize()

Specified by:

getMaximumRejectedJobs in interface ClusterMetrics

Specified by:

getMaximumRejectedJobs in interface ClusterMetricsMXBean

Returns:

Maximum number of jobs rejected at once.

getMaximumWaitingJobs

public int getMaximumWaitingJobs()

Gets maximum number of waiting jobs this node had.

Note: all aggregated metrics like average, minimum, maximum, total, count are calculated over all the metrics kept in history. The history size is set via either one or both of configuration settings:

• IgniteConfiguration.getMetricsExpireTime()
• IgniteConfiguration.getMetricsHistorySize()

Specified by:

getMaximumWaitingJobs in interface ClusterMetrics

Specified by:

getMaximumWaitingJobs in interface ClusterMetricsMXBean

Returns:

Maximum number of waiting jobs.

getNonHeapMemoryCommitted

public long getNonHeapMemoryCommitted()

Returns the amount of non-heap memory in bytes that is committed for the JVM to use. This amount of memory is guaranteed for the JVM to use. The non-heap memory consists of one or more memory pools. This value is the sum of committed non-heap memory values of all non-heap memory pools.

Note: this is not an aggregated metric and it's calculated from the time of the node's startup.

Specified by:

getNonHeapMemoryCommitted in interface ClusterMetrics

Specified by:

getNonHeapMemoryCommitted in interface ClusterMetricsMXBean

Returns:

The amount of committed memory in bytes.

getNonHeapMemoryInitialized

public long getNonHeapMemoryInitialized()

Returns the amount of non-heap memory in bytes that the JVM initially requests from the operating system for memory management. This method returns -1 if the initial memory size is undefined.

This value represents a setting of non-heap memory for Java VM and is not a sum of all initial heap values for all memory pools.

Note: this is not an aggregated metric and it's calculated from the time of the node's startup.

Specified by:

getNonHeapMemoryInitialized in interface ClusterMetrics

Specified by:

getNonHeapMemoryInitialized in interface ClusterMetricsMXBean

Returns:

The initial size of memory in bytes; -1 if undefined.

getNonHeapMemoryMaximum

public long getNonHeapMemoryMaximum()

Returns the maximum amount of non-heap memory in bytes that can be used for memory management. This method returns -1 if the maximum memory size is undefined.

This amount of memory is not guaranteed to be available for memory management if it is greater than the amount of committed memory. The JVM may fail to allocate memory even if the amount of used memory does not exceed this maximum size.

This value represents a setting of the non-heap memory for Java VM and is not a sum of all initial non-heap values for all memory pools.

Note: this is not an aggregated metric and it's calculated from the time of the node's startup.

Specified by:

getNonHeapMemoryMaximum in interface ClusterMetrics

Specified by:

getNonHeapMemoryMaximum in interface ClusterMetricsMXBean

Returns:

The maximum amount of memory in bytes; -1 if undefined.

getNonHeapMemoryTotal

public long getNonHeapMemoryTotal()

Returns the total amount of non-heap memory in bytes that can be used for memory management. This method returns -1 if the total memory size is undefined.

This amount of memory is not guaranteed to be available for memory management if it is greater than the amount of committed memory. The JVM may fail to allocate memory even if the amount of used memory does not exceed this maximum size.

This value represents a setting of the non-heap memory for Java VM and is not a sum of all initial non-heap values for all memory pools.

Note: this is not an aggregated metric and it's calculated from the time of the node's startup.

Specified by:

getNonHeapMemoryTotal in interface ClusterMetrics

Specified by:

getNonHeapMemoryTotal in interface ClusterMetricsMXBean

Returns:

The total amount of memory in bytes; -1 if undefined.

getNonHeapMemoryUsed

public long getNonHeapMemoryUsed()

Returns the current non-heap memory size that is used by Java VM. The non-heap memory consists of one or more memory pools. This value is the sum of used non-heap memory values of all non-heap memory pools.

Note: this is not an aggregated metric and it's calculated from the time of the node's startup.

Note: this is not an aggregated metric and it's calculated from the time of the node's startup.

Specified by:

getNonHeapMemoryUsed in interface ClusterMetrics

Specified by:

getNonHeapMemoryUsed in interface ClusterMetricsMXBean

Returns:

Amount of none-heap memory used.

getMaximumThreadCount

public int getMaximumThreadCount()

Returns the maximum live thread count since the JVM started or peak was reset.

Note: this is not an aggregated metric and it's calculated from the time of the node's startup.

Specified by:

getMaximumThreadCount in interface ClusterMetrics

Specified by:

getMaximumThreadCount in interface ClusterMetricsMXBean

Returns:

The peak live thread count.

getStartTime

public long getStartTime()

Returns the start time of the JVM in milliseconds. This method returns the approximate time when the Java virtual machine started.

Specified by:

getStartTime in interface ClusterMetrics

Specified by:

getStartTime in interface ClusterMetricsMXBean

Returns:

Start time of the JVM in milliseconds.

getNodeStartTime

public long getNodeStartTime()

Returns the start time of grid node in milliseconds. There can be several grid nodes started in one JVM, so JVM start time will be the same for all of them, but node start time will be different.

Specified by:

getNodeStartTime in interface ClusterMetrics

Specified by:

getNodeStartTime in interface ClusterMetricsMXBean

Returns:

Start time of the grid node in milliseconds.

getCurrentCpuLoad

public double getCurrentCpuLoad()

Returns the CPU usage in [0, 1] range. The exact way how this number is calculated depends on SPI implementation.

If the CPU usage is not available, a negative value is returned.

This method is designed to provide a hint about the system load and may be queried frequently. The load average may be unavailable on some platform where it is expensive to implement this method.

Specified by:

getCurrentCpuLoad in interface ClusterMetrics

Specified by:

getCurrentCpuLoad in interface ClusterMetricsMXBean

Returns:

The estimated CPU usage in [0, 1] range. Negative value if not available.

getAverageCpuLoad

public double getAverageCpuLoad()

Gets average of CPU load values over all metrics kept in the history.

Note: all aggregated metrics like average, minimum, maximum, total, count are calculated over all the metrics kept in history. The history size is set via either one or both of configuration settings:

• IgniteConfiguration.getMetricsExpireTime()
• IgniteConfiguration.getMetricsHistorySize()

Specified by:

getAverageCpuLoad in interface ClusterMetrics

Specified by:

getAverageCpuLoad in interface ClusterMetricsMXBean

Returns:

Average of CPU load value in [0, 1] range over all metrics kept in the history.

getCurrentGcCpuLoad

public double getCurrentGcCpuLoad()

Returns average time spent in CG since the last update.

Specified by:

getCurrentGcCpuLoad in interface ClusterMetrics

Specified by:

getCurrentGcCpuLoad in interface ClusterMetricsMXBean

Returns:

Average time spent in CG since the last update.

getCurrentThreadCount

public int getCurrentThreadCount()

Returns the current number of live threads including both daemon and non-daemon threads.

Specified by:

getCurrentThreadCount in interface ClusterMetrics

Specified by:

getCurrentThreadCount in interface ClusterMetricsMXBean

Returns:

Current number of live threads.

getTotalBusyTime

public long getTotalBusyTime()

Gets total time this node spent executing jobs.

Specified by:

getTotalBusyTime in interface ClusterMetrics

Specified by:

getTotalBusyTime in interface ClusterMetricsMXBean

Returns:

Total time this node spent executing jobs.

getTotalCancelledJobs

public int getTotalCancelledJobs()

Gets number of cancelled jobs since node startup.

Note: Unlike most of other aggregation metrics this metric is not calculated over history but over the entire node life.

Specified by:

getTotalCancelledJobs in interface ClusterMetrics

Specified by:

getTotalCancelledJobs in interface ClusterMetricsMXBean

Returns:

Total number of cancelled jobs since node startup.

getTotalExecutedJobs

public int getTotalExecutedJobs()

Gets total number of jobs handled by the node since node startup.

Note: Unlike most of other aggregation metrics this metric is not calculated over history but over the entire node life.

Specified by:

getTotalExecutedJobs in interface ClusterMetrics

Specified by:

getTotalExecutedJobs in interface ClusterMetricsMXBean

Returns:

Total number of jobs handled by the node since node startup.

getTotalJobsExecutionTime

public long getTotalJobsExecutionTime()

Gets total time all finished jobs takes to execute on the node since node startup.

Note: Unlike most of other aggregation metrics this metric is not calculated over history but over the entire node life.

Specified by:

getTotalJobsExecutionTime in interface ClusterMetrics

Specified by:

getTotalJobsExecutionTime in interface ClusterMetricsMXBean

Returns:

Total jobs execution time.

getTotalIdleTime

public long getTotalIdleTime()

Gets total time this node spent idling (not executing any jobs).

Specified by:

getTotalIdleTime in interface ClusterMetrics

Specified by:

getTotalIdleTime in interface ClusterMetricsMXBean

Returns:

Gets total time this node spent idling.

getTotalRejectedJobs

public int getTotalRejectedJobs()

Gets total number of jobs this node rejects during collision resolution operations since node startup.

Note: Unlike most of other aggregation metrics this metric is not calculated over history but over the entire node life.

Specified by:

getTotalRejectedJobs in interface ClusterMetrics

Specified by:

getTotalRejectedJobs in interface ClusterMetricsMXBean

Returns:

Total number of jobs this node rejects during collision resolution operations since node startup.

getTotalStartedThreadCount

public long getTotalStartedThreadCount()

Returns the total number of threads created and also started since the JVM started.

Note: this is not an aggregated metric and it's calculated from the time of the node's startup.

Specified by:

getTotalStartedThreadCount in interface ClusterMetrics

Specified by:

getTotalStartedThreadCount in interface ClusterMetricsMXBean

Returns:

The total number of threads started.

getUpTime

public long getUpTime()

Returns the uptime of the JVM in milliseconds.

Specified by:

getUpTime in interface ClusterMetrics

Specified by:

getUpTime in interface ClusterMetricsMXBean

Returns:

Uptime of the JVM in milliseconds.

getLastDataVersion

public long getLastDataVersion()

In-Memory Data Grid assigns incremental versions to all cache operations. This method provides the latest data version on the node.

Specified by:

getLastDataVersion in interface ClusterMetrics

Specified by:

getLastDataVersion in interface ClusterMetricsMXBean

Returns:

Last data version.

getSentMessagesCount

public int getSentMessagesCount()

Gets sent messages count.

Specified by:

getSentMessagesCount in interface ClusterMetrics

Specified by:

getSentMessagesCount in interface ClusterMetricsMXBean

Returns:

Sent messages count.

getSentBytesCount

public long getSentBytesCount()

Gets sent bytes count.

Specified by:

getSentBytesCount in interface ClusterMetrics

Specified by:

getSentBytesCount in interface ClusterMetricsMXBean

Returns:

Sent bytes count.

getReceivedMessagesCount

public int getReceivedMessagesCount()

Gets received messages count.

Specified by:

getReceivedMessagesCount in interface ClusterMetrics

Specified by:

getReceivedMessagesCount in interface ClusterMetricsMXBean

Returns:

Received messages count.

getReceivedBytesCount

public long getReceivedBytesCount()

Gets received bytes count.

Specified by:

getReceivedBytesCount in interface ClusterMetrics

Specified by:

getReceivedBytesCount in interface ClusterMetricsMXBean

Returns:

Received bytes count.

getOutboundMessagesQueueSize

public int getOutboundMessagesQueueSize()

Gets outbound messages queue size.

Specified by:

getOutboundMessagesQueueSize in interface ClusterMetrics

Specified by:

getOutboundMessagesQueueSize in interface ClusterMetricsMXBean

Returns:

Outbound messages queue size.

getTotalNodes

public int getTotalNodes()

Gets total number of nodes.

Specified by:

getTotalNodes in interface ClusterMetrics

Specified by:

getTotalNodes in interface ClusterMetricsMXBean

Returns:

Total number of nodes.

getCurrentPmeDuration

public long getCurrentPmeDuration()

Gets execution duration for current partition map exchange in milliseconds.

Specified by:

getCurrentPmeDuration in interface ClusterMetrics

Specified by:

getCurrentPmeDuration in interface ClusterMetricsMXBean

Returns:

Gets execution duration for current partition map exchange in milliseconds. 0 if there is no running PME.

getTotalBaselineNodes

public int getTotalBaselineNodes()

Get count of total baseline nodes.

Specified by:

getTotalBaselineNodes in interface ClusterMetricsMXBean

Returns:

Count of total baseline nodes.

getActiveBaselineNodes

public int getActiveBaselineNodes()

Get count of active baseline nodes.

Specified by:

getActiveBaselineNodes in interface ClusterMetricsMXBean

Returns:

Count of active baseline nodes.

getTotalServerNodes

public int getTotalServerNodes()

Get count of server nodes.

Specified by:

getTotalServerNodes in interface ClusterMetricsMXBean

Returns:

Count of server nodes.

getTotalClientNodes

public int getTotalClientNodes()

Get count of client nodes.

Specified by:

getTotalClientNodes in interface ClusterMetricsMXBean

Returns:

Count of client nodes.

getTopologyVersion

public long getTopologyVersion()

Get current topology version.

Specified by:

getTopologyVersion in interface ClusterMetricsMXBean

Returns:

Current topology version.

attributeNames

public Set<String> attributeNames()

Specified by:

attributeNames in interface ClusterMetricsMXBean

Returns:

Distinct attribute names for given nodes projection.

attributeValues

public Set<String> attributeValues(String attrName)

Specified by:

attributeValues in interface ClusterMetricsMXBean

Parameters:

attrName - Attribute name.

Returns:

Distinct attribute values for given nodes projection.

nodeIdsForAttribute

public Set<UUID> nodeIdsForAttribute(String attrName,
                                     String attrVal,
                                     boolean includeSrvs,
                                     boolean includeClients)

Specified by:

nodeIdsForAttribute in interface ClusterMetricsMXBean

Parameters:

attrName - Attribute name.

attrVal - Attribute value.

includeSrvs - Include server nodes.

includeClients - Include client nodes.

Returns:

Node IDs with the given attribute value.

toString

public String toString()

Overrides:

toString in class Object