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MemoryUsage.java
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MemoryUsage.java
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package com.jelastic.verticalscaling;
import java.lang.management.ManagementFactory;
import java.lang.management.MemoryMXBean;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
*
* @author ruslan
*/
public class MemoryUsage implements Runnable {
@Override
public void run() {
while (true) {
try {
Thread.sleep(3000);
} catch (InterruptedException ex) {
Logger.getLogger(MemoryUsage.class.getName()).log(Level.SEVERE, null, ex);
}
java.lang.management.MemoryUsage mu = ManagementFactory.getMemoryMXBean().getHeapMemoryUsage();
Date dNow = new Date( );
SimpleDateFormat ft = new SimpleDateFormat ("hh:mm:ss");
print(ft.format(dNow) + " -> Init", mu.getInit());
print("Used", mu.getUsed());
print("Committed", mu.getCommitted());
print("Max", mu.getMax());
System.out.println();
}
}
private void print(String name, double value) {
System.out.print(name + ": " + Math.round(value / 1024 / 1024) + "M ");
}
}