Red Hat NETSCAPE ENTERPRISE SERVER 6.1 - NSAPI PROGRAMMER GUIDE Guida di Installazione Pagina 42
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<bean name="SendTrafficLoadMetric" class="org.jboss.modcluster.load.metric.
impl.SendTrafficLoadMetric" mode="On Demand">
<annotation>@org.jboss.aop.microcontainer.aspects.jmx.JMX(name="jboss.web
:service=SendTrafficLoadMetric",exposedInterface=org.jboss.modcluster.load.
metric.LoadMetricMBean.class)</annotation>
<constructor>
<parameter class="org.jboss.modcluster.load.metric.impl.RequestProcesso
rLoadMetricSource"><inject bean="RequestProcessorLoadMetricSource"/></param
eter>
</constructor>
<property name="capacity">512</property>
</bean>
5. RequestCountLoadMetric
Returns the number of requests/sec
Requires an explicit capacity
Uses RequestProcessorLoadMetricSource to query request processors
Analogous to method=R in mod_jk
For example:
<bean name="RequestCountLoadMetric" class="org.jboss.modcluster.load.metric
.impl.RequestCountLoadMetric" mode="On Demand">
<annotation>@org.jboss.aop.microcontainer.aspects.jmx.JMX(name="jboss.web
:service=RequestCountLoadMetric",exposedInterface=org.jboss.modcluster.load
.metric.LoadMetricMBean.class)</annotation>
<constructor>
<parameter class="org.jboss.modcluster.load.metric.impl.RequestProcesso
rLoadMetricSource"><inject bean="RequestProcessorLoadMetricSource"/></param
eter>
</constructor>
<property name="capacity">1000</property>
</bean>
11.3. System/JVM metrics
1. AverageSystemLoadMetric
Returns CPU load
Requires Java 1.6+.
Uses OperatingSystemLoadMetricSource to generically read attributes
For example:
<bean name="AverageSystemLoadMetric" class="org.jboss.modcluster.load.metri
c.impl.AverageSystemLoadMetric" mode="On Demand">
<annotation>@org.jboss.aop.microcontainer.aspects.jmx.JMX(name="jboss.web
:service=AverageSystemLoadMetric",exposedInterface=org.jboss.modcluster.loa
d.metric.LoadMetricMBean.class)</annotation>
<constructor>
<parameter><inject bean="OperatingSystemLoadMetricSource"/></parameter>
</constructor>
</bean>
<bean name="OperatingSystemLoadMetricSource" class="org.jboss.modcluster.lo
ad.metric.impl.OperatingSystemLoadMetricSource" mode="On Demand">
</bean>
2. SystemMemoryUsageLoadMetric
Returns system memory usage
Requires com.sun.management.OperatingSystemMXBean (available in Sun's JDK or
OpenJDK)
Uses OperatingSystemLoadMetricSource to generically read attributes
For example:
<bean name="SystemMemoryUsageLoadMetric" class="org.jboss.modcluster.load.m
etric.impl.SystemMemoryUsageLoadMetric" mode="On Demand">
<annotation>@org.jboss.aop.microcontainer.aspects.jmx.JMX(name="jboss.web
:service=SystemMemoryUsageLoadMetric",exposedInterface=org.jboss.modcluster
.load.metric.LoadMetricMBean.class)</annotation>
<constructor>
<parameter><inject bean="OperatingSystemLoadMetricSource"/></parameter>
</constructor>
</bean>
3. HeapMemoryUsageLoadMetric
Returns the heap memory usage as a percentage of max heap size
For example:
42 Chapter 11. Load Metrics
- Edition 5.2.0 1
- 2 Legal Notice 2
- Abstract 3
- 4 Table of Contents 4
- 6 Preface 6
- 8 Preface 8
- Document URL: 9
- Section Number and Name: 9
- Describe the issue: 9
- Suggestions for improvement: 9
- Additional information: 9
- Chapter 1. Overview 11
- Important 15
- 4.1. Common Problems 16
- 4.2. General Diagnostics 20
- 4.3. Getting Further Help 20
- 22 Chapter 5. Overview 22
- 5.3. Limitations 23
- 6.1. Apache modules 24
- ProxyPassMatch ^(/.*\.gif)$ ! 26
- Listen IP_ADDRESS:PORT_NUMBER 28
- Listen 10.33.144.3:6666 28
- 8.1. Worker node requirements 30
- 23364 -j ACCEPT 32
- Advertise disabled!!! 32
- 9.2. Clustered node operation 34
- Chapter 10. Java Properties 35
- Chapter 10. Java Properties 36
- 40 Chapter 11. Load Metrics 40
- 42 Chapter 11. Load Metrics 42
- 11.4. Other metrics 43
- [sbin]$ apachectl start 44
- 50 Chapter 13. Overview 50
- 6. Verify the Logs 58
- 4. Re start t he server 65
- FIELD Deprecated 68
- Session Replication Preferred 72
- 19.1. Configuration 76
- 19.2. SSO behavior 76
- 19.3. Limitations 77
- Reference: workers.properties 80
- Reference: Java properties 83
- Reference: Java properties 84
- Revision history 85
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