[英]Monitor application server with JMX
我發現了使用JMX和Java監視JBoss的簡單示例
public class JMXExample {
public static void main(String[] args) throws Exception {
//Get a connection to the JBoss AS MBean server on localhost
String host = "localhost";
int port = 9999; // management-native port
String urlString =
System.getProperty("jmx.service.url","service:jmx:remoting-jmx://" + host + ":" + port);
JMXServiceURL serviceURL = new JMXServiceURL(urlString);
JMXConnector jmxConnector = JMXConnectorFactory.connect(serviceURL, null);
MBeanServerConnection connection = jmxConnector.getMBeanServerConnection();
//Invoke on the JBoss AS MBean server
int count = connection.getMBeanCount();
System.out.println(count);
jmxConnector.close();
}
}
我想每3秒調用一次此代碼以獲取實時性能數據。
有沒有辦法打開與服務器的一個連接並發送頻繁的請求?
如果將此代碼部署為EJB,則可以將其設置為@Singleton @Startup
,並通過@PostConstruct
方法設置連接,同時根據@Schedule
定期收集指標。 例如:
@Singleton
@Startup
public class MetricsGathering {
@PostConstruct
public void init() {
// setup the connection
}
@Schedule(second="*/5")
public void collect() {
// get the data and do something with it
}
}
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