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Merge pull request #3467 from antobinary/heap-monitor

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Add JVM Heap monitor in bbb-apps
This commit is contained in:
Richard Alam 2016-11-15 17:54:47 -05:00 committed by GitHub
commit ee8d7ea504
1 changed files with 37 additions and 1 deletions
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36
bigbluebutton-apps/src/main/java/org/bigbluebutton/red5/BigBlueButtonApplication.java
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@ -22,6 +22,10 @@ import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import org.bigbluebutton.red5.client.messaging.ConnectionInvokerService;
import org.bigbluebutton.red5.pubsub.MessagePublisher;
import org.red5.logging.Red5LoggerFactory;
@ -80,9 +84,41 @@ public class BigBlueButtonApplication extends MultiThreadedApplicationAdapter {
public boolean appStart(IScope app) {
super.appStart(app);
connInvokerService.setAppScope(app);
getHeapStats();
return true;
}
private void getHeapStats() {
Runnable getHeapTask = () -> getHeapStatsHelper();
ScheduledExecutorService executor = Executors.newScheduledThreadPool(1);
executor.scheduleAtFixedRate(getHeapTask, 0, 60, TimeUnit.SECONDS);
}
private void getHeapStatsHelper() {
int mb = 1024*1024;
// Getting the runtime reference from system
Runtime runtime = Runtime.getRuntime();
long usedMemory = (runtime.totalMemory() - runtime.freeMemory()) / mb;
long freeMemory = runtime.freeMemory() / mb;
long totalMemory = runtime.totalMemory() / mb;
long maxMemory = runtime.maxMemory() / mb;
Map<String, Object> logData = new HashMap<String, Object>();
logData.put("used", usedMemory);
logData.put("free", freeMemory);
logData.put("total", totalMemory);
logData.put("max", maxMemory);
Gson gson = new Gson();
String logStr = gson.toJson(logData);
log.info("JVM Heap [MB] data={}", logStr);
}
@Override
public void appStop(IScope app) {
super.appStop(app);