org.dashbuilder.backend

Class ClusterMetricsGenerator

java.lang.Object

org.dashbuilder.backend.ClusterMetricsGenerator

All Implemented Interfaces:

DataSetGenerator

public class ClusterMetricsGenerator
extends Object
implements DataSetGenerator

Generates metrics on an emulated cluster

Field Summary

Fields

Modifier and Type	Field and Description
static String	COLUMN_CPU0
static String	COLUMN_CPU1
static String	COLUMN_DISK_FREE
static String	COLUMN_DISK_USED
static String	COLUMN_MEMORY_FREE
static String	COLUMN_MEMORY_USED
static String	COLUMN_NETWORK_RX
static String	COLUMN_NETWORK_TX
static String	COLUMN_PROCESSES_RUNNING
static String	COLUMN_PROCESSES_SLEEPING
static String	COLUMN_SERVER
static String	COLUMN_TIMESTAMP

Constructor Summary

Constructors

Constructor and Description
ClusterMetricsGenerator()

Method Summary

Modifier and Type	Method and Description
DataSet	buildDataSet(Map<String,String> params)
Double	cpu(String node, Double last, Double max, Double overloaded) CPU (%) Overloaded values : from 90% to 100%
Double	disk(String node, Double last, Double max, Double overloaded) Disk space (Gb)
static void	main(String[] args)
Double	mem(String node, Double last, Double max, Double overloaded) Memory (Gb) Overloaded values : from 3Gb to 4Gb
Double	net(String node, Double last, Double max, Double overloaded) Network (kbps)
protected static void	printDataSet(DataSet dataSet) Helper method to print to standard output the dataset values.
Double	proc(String node, Double last, Double max, Double overloaded) Processes (count) Overloaded values : from 1024 to 1500

Methods inherited from class java.lang.Object

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

Field Detail

COLUMN_SERVER

public static final String COLUMN_SERVER

See Also:

Constant Field Values

COLUMN_TIMESTAMP

public static final String COLUMN_TIMESTAMP

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Constant Field Values

COLUMN_CPU0

public static final String COLUMN_CPU0

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Constant Field Values

COLUMN_CPU1

public static final String COLUMN_CPU1

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Constant Field Values

COLUMN_MEMORY_FREE

public static final String COLUMN_MEMORY_FREE

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Constant Field Values

COLUMN_MEMORY_USED

public static final String COLUMN_MEMORY_USED

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Constant Field Values

COLUMN_NETWORK_TX

public static final String COLUMN_NETWORK_TX

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Constant Field Values

COLUMN_NETWORK_RX

public static final String COLUMN_NETWORK_RX

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Constant Field Values

COLUMN_PROCESSES_RUNNING

public static final String COLUMN_PROCESSES_RUNNING

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Constant Field Values

COLUMN_PROCESSES_SLEEPING

public static final String COLUMN_PROCESSES_SLEEPING

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Constant Field Values

COLUMN_DISK_FREE

public static final String COLUMN_DISK_FREE

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Constant Field Values

COLUMN_DISK_USED

public static final String COLUMN_DISK_USED

See Also:

Constant Field Values

Constructor Detail

ClusterMetricsGenerator

public ClusterMetricsGenerator()

Method Detail

buildDataSet

public DataSet buildDataSet(Map<String,String> params)

Specified by:

buildDataSet in interface DataSetGenerator

net

public Double net(String node,
                  Double last,
                  Double max,
                  Double overloaded)

Network (kbps)

proc

public Double proc(String node,
                   Double last,
                   Double max,
                   Double overloaded)

Processes (count) Overloaded values : from 1024 to 1500

disk

public Double disk(String node,
                   Double last,
                   Double max,
                   Double overloaded)

Disk space (Gb)

cpu

public Double cpu(String node,
                  Double last,
                  Double max,
                  Double overloaded)

CPU (%) Overloaded values : from 90% to 100%

mem

public Double mem(String node,
                  Double last,
                  Double max,
                  Double overloaded)

Memory (Gb) Overloaded values : from 3Gb to 4Gb

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception

printDataSet

protected static void printDataSet(DataSet dataSet)

Helper method to print to standard output the dataset values.