Javalangmanagement Memoryusage Example
Java Code Examples for java.lang.management.MemoryUsage
The following code examples are extracted from open source projects. You can click 
Example 1
From project Aion-Extreme, under directory /AE-go_GameServer/src/com/aionemu/gameserver/utils/.
Source file: Util.java
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/** * Prings memory usage both for heap and non-heap memory. */ public static void printMemoryUsage(Logger log){ MemoryUsage hm=ManagementFactory.getMemoryMXBean().getHeapMemoryUsage(); MemoryUsage nhm=ManagementFactory.getMemoryMXBean().getNonHeapMemoryUsage(); log.info("Heap Memory Usage: " + (hm.getUsed() / 1048576) + "/"+ (hm.getMax() / 1048576)+ " MB"); log.info("NonHeap Memory Usage: " + (nhm.getUsed() / 1048576) + "/"+ (nhm.getMax() / 1048576)+ " MB"); } Example 2
From project book, under directory /src/main/java/com/tamingtext/util/.
Source file: MemoryStatus.java
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public void dumpMemory(String title){ System.err.println("----------" + title + "----------"); double total=0; for ( MemoryPoolMXBean m : memoryBeans) { MemoryUsage u=m.getUsage(); double used=u.getUsed(); total+=used; System.err.println(m.getName() + " " + toMemoryString(used)); } System.err.println("Total " + toMemoryString(total)); System.err.println("---------------------------------"); } Example 3
From project cp-common-utils, under directory /src/com/clarkparsia/common/base/.
Source file: Memory.java
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public static String heapUsage(){ MemoryUsage usage=MEMORY.getHeapMemoryUsage(); StringBuilder sb=new StringBuilder(); sb.append("init = ").append(readable(usage.getInit())); sb.append(" used = ").append(readable(usage.getUsed())); sb.append(" committed = ").append(readable(usage.getCommitted())); sb.append(" max = ").append(readable(usage.getMax())); return sb.toString(); } Example 4
From project fr.obeo.performance, under directory /fr.obeo.performance/src/fr/obeo/performance/api/.
Source file: MemoryMeter.java
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private long getMemUsage(){ long usageAmount=0; for ( MemoryPoolMXBean mpool : ManagementFactory.getMemoryPoolMXBeans()) { MemoryUsage usage=mpool.getUsage(); usageAmount+=usage.getUsed(); } return usageAmount; } Example 5
From project fr.obeo.performance, under directory /fr.obeo.performance/src/fr/obeo/performance/api/.
Source file: MemoryMeter.java
26
private long getPeekUsage(){ long usageAmount=0; for ( MemoryPoolMXBean mpool : ManagementFactory.getMemoryPoolMXBeans()) { MemoryUsage usage=mpool.getPeakUsage(); usageAmount+=usage.getUsed(); } return usageAmount; } Example 6
From project hama, under directory /contrib/monitor-plugin/jvm-metrics/src/main/java/org/apache/hama/monitor/plugin/.
Source file: JvmTask.java
26
private void memory(final MetricsRecord record){ final MemoryUsage memNonHeap=memoryMXBean.getNonHeapMemoryUsage(); final MemoryUsage memHeap=memoryMXBean.getHeapMemoryUsage(); record.add(new Metric(MemNonHeapUsedM,memNonHeap.getUsed() / M)); record.add(new Metric(MemNonHeapCommittedM,memNonHeap.getCommitted() / M)); record.add(new Metric(MemHeapUsedM,memHeap.getUsed() / M)); record.add(new Metric(MemHeapCommittedM,memHeap.getCommitted() / M)); if (LOG.isDebugEnabled()) { LOG.debug(MemNonHeapUsedM.description() + ": " + memNonHeap.getUsed() / M); LOG.debug(MemNonHeapCommittedM.description() + ": " + memNonHeap.getCommitted() / M); LOG.debug(MemHeapUsedM.description() + ": " + memHeap.getUsed() / M); LOG.debug(MemHeapCommittedM.description() + ": " + memHeap.getCommitted() / M); } } Example 7
From project watchmaker, under directory /swing/src/java/main/org/uncommons/watchmaker/swing/evolutionmonitor/.
Source file: JVMView.java
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private void addMemoryDataPoint(){ MemoryUsage heapUsage=memoryBean.getHeapMemoryUsage(); double usedMegabytes=(double)heapUsage.getUsed() / MEGABYTE; Second second=new Second(); memoryUsageSeries.add(second,usedMegabytes); heapSizeSeries.add(second,(double)heapUsage.getCommitted() / MEGABYTE); } Example 8
From project cipango, under directory /cipango-console/src/main/java/org/cipango/console/.
Source file: EnvManager.java
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public PropertyList getJava() throws Exception { PropertyList env=new PropertyList(); env.setTitle("Java"); Map<String,String> properties=getSystemProperties(); env.add(new Property("Java Runtime",properties.get("java.runtime.name") + " " + properties.get("java.runtime.version"))); MemoryUsage r=getMemory().getHeapMemoryUsage(); String percentage=_percentFormat.format(((float)r.getUsed()) / r.getMax()); env.add(new Property("Memory",(r.getUsed() >> 20) + " Mb of " + (r.getMax() >> 20)+ " Mb ("+ percentage+ ")")); env.add(new Property("Threads",getThread().getThreadCount())); env.add(new Property("Process CPU time",PrinterUtil.getDuration((Long)_mbsc.getAttribute(OPERATING_SYSTEM,"ProcessCpuTime") / 1000000))); String load=isLoadAvailable() ? _percentFormat.format((Double)_mbsc.getAttribute(OPERATING_SYSTEM,"ProcessCpuLoad")) : "Not available"; env.add(new Property("Process CPU load",load)); StringBuilder sb=new StringBuilder(); for ( String arg : getRuntime().getInputArguments()) sb.append(arg).append(' '); env.add(new Property("VM arguments",sb.toString())); env.add(new Property("Jetty Home",properties.get("jetty.home"))); return env; } Example 9
From project cipango, under directory /cipango-console/src/main/java/org/cipango/console/.
Source file: StatisticGraph.java
25
public void reset(){ try { RrdDb rrdDb=_rrdPool.requestRrdDb(_rrdPath); Sample sample=rrdDb.createSample(); sample.setValue("calls",(Integer)getMbsc().getAttribute(_sessionManger,"callSessions")); MemoryUsage r=getMemory().getHeapMemoryUsage(); sample.setValue("maxMemory",r.getMax()); sample.setValue("totalMemory",r.getCommitted()); sample.setValue("usedMemory",r.getUsed()); sample.update(); _rrdPool.release(rrdDb); } catch ( Exception e) { _logger.warn("Unable to reset statistics",e); } } Example 10
From project Eclipse, under directory /com.mobilesorcery.sdk.ui/src/com/mobilesorcery/sdk/ui/internal/.
Source file: MemoryLowDialog.java
25
private String getMemoryStats(){ StringBuffer result=new StringBuffer(); List<MemoryPoolMXBean> monitoredPools=CoreMoSyncPlugin.getLowMemoryManager().getMonitoredPools(); for ( MemoryPoolMXBean monitoredPool : monitoredPools) { boolean exceeded=CoreMoSyncPlugin.getLowMemoryManager().isUsageExceeded(monitoredPool); String exceededStr=exceeded ? "*" : ""; MemoryUsage usage=monitoredPool.getUsage(); String used=usage == null ? "?" : Util.dataSize(usage.getUsed()); String max=usage == null ? "?" : Util.dataSize(usage.getMax()); String stats=MessageFormat.format("{0}{1} - Used: {2}, Available: {3}",exceededStr,monitoredPool.getName(),used,max); result.append(stats); result.append('\n'); } return result.toString(); } Example 11
From project Flume-Hive, under directory /src/java/com/cloudera/flume/util/.
Source file: FlumeVMInfo.java
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@Override public ReportEvent getReport(){ ReportEvent rpt=new ReportEvent(getName()); MemoryMXBean mem=ManagementFactory.getMemoryMXBean(); MemoryUsage heap=mem.getHeapMemoryUsage(); rpt.setLongMetric("mem.heap.used",heap.getUsed()); rpt.setLongMetric("mem.heap.init",heap.getInit()); rpt.setLongMetric("mem.heap.max",heap.getMax()); rpt.setLongMetric("mem.heap.committed",heap.getCommitted()); MemoryUsage notheap=mem.getNonHeapMemoryUsage(); rpt.setLongMetric("mem.other.used",notheap.getUsed()); rpt.setLongMetric("mem.other.init",notheap.getInit()); rpt.setLongMetric("mem.other.max",notheap.getMax()); rpt.setLongMetric("mem.other.committed",notheap.getCommitted()); RuntimeMXBean rt=ManagementFactory.getRuntimeMXBean(); rpt.setStringMetric("rt.vmname",rt.getVmName()); rpt.setStringMetric("rt.vmvendor",rt.getVmVendor()); rpt.setStringMetric("rt.vmversion",rt.getVmVersion()); rpt.setStringMetric("rt.starttime",new Date(rt.getStartTime()).toString()); return rpt; } Example 12
From project flume_1, under directory /flume-core/src/main/java/com/cloudera/flume/util/.
Source file: FlumeVMInfo.java
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@Override public ReportEvent getMetrics(){ ReportEvent rpt=new ReportEvent(getName()); MemoryMXBean mem=ManagementFactory.getMemoryMXBean(); MemoryUsage heap=mem.getHeapMemoryUsage(); rpt.setLongMetric("mem.heap.used",heap.getUsed()); rpt.setLongMetric("mem.heap.init",heap.getInit()); rpt.setLongMetric("mem.heap.max",heap.getMax()); rpt.setLongMetric("mem.heap.committed",heap.getCommitted()); MemoryUsage notheap=mem.getNonHeapMemoryUsage(); rpt.setLongMetric("mem.other.used",notheap.getUsed()); rpt.setLongMetric("mem.other.init",notheap.getInit()); rpt.setLongMetric("mem.other.max",notheap.getMax()); rpt.setLongMetric("mem.other.committed",notheap.getCommitted()); RuntimeMXBean rt=ManagementFactory.getRuntimeMXBean(); rpt.setStringMetric("rt.vmname",rt.getVmName()); rpt.setStringMetric("rt.vmvendor",rt.getVmVendor()); rpt.setStringMetric("rt.vmversion",rt.getVmVersion()); rpt.setStringMetric("rt.starttime",new Date(rt.getStartTime()).toString()); return rpt; } Example 13
From project penrose-server, under directory /monitors/JMX/MONITOR-INF/src/org/safehaus/penrose/monitor/management/.
Source file: JMXMonitor.java
25
public void handleNotification(Notification notification,Object handback){ log.warn("================================================================================"); String message=notification.getMessage(); log.warn("Message: " + message); String type=notification.getType(); log.warn("Type: " + type); if (type.equals(MemoryNotificationInfo.MEMORY_THRESHOLD_EXCEEDED) || type.equals(MemoryNotificationInfo.MEMORY_COLLECTION_THRESHOLD_EXCEEDED)) { CompositeData cd=(CompositeData)notification.getUserData(); MemoryNotificationInfo info=MemoryNotificationInfo.from(cd); String poolName=info.getPoolName(); log.warn("Pool Name: " + poolName); long count=info.getCount(); log.warn("Count: " + count); MemoryUsage usage=info.getUsage(); long maxMemory=usage.getMax(); long maxMB=maxMemory / (1024 * 1024); long usedMemory=usage.getUsed(); long usedMB=usedMemory / (1024 * 1024); double percentUsed=(double)usedMemory / maxMemory; log.debug("Used Memory : " + usedMB + "/"+ maxMB+ " MB ("+ percentFormat.format(percentUsed)+ ")"); } } Example 14
From project pillage, under directory /pillage-core/src/main/java/com/ticketfly/pillage/.
Source file: StatsCollectorImpl.java
25
/** * Refer to the static final strings for the jvm stats returned. * @return */ public Map<String,Double> getJvmStats(){ MemoryMXBean memory=ManagementFactory.getMemoryMXBean(); ThreadMXBean threads=ManagementFactory.getThreadMXBean(); RuntimeMXBean runtime=ManagementFactory.getRuntimeMXBean(); ClassLoadingMXBean classes=ManagementFactory.getClassLoadingMXBean(); Map<String,Double> map=new HashMap<String,Double>(); MemoryUsage heapUsed=memory.getHeapMemoryUsage(); map.put(HEAP_USED_INIT,(double)heapUsed.getInit() / (1024 * 1024)); map.put(HEAP_USED_MAX,(double)heapUsed.getMax() / (1024 * 1024)); map.put(HEAP_USED_COMMITTED,(double)heapUsed.getCommitted() / (1024 * 1024)); map.put(HEAP_USED,(double)heapUsed.getUsed() / (1024 * 1024)); MemoryUsage nonheapUsed=memory.getNonHeapMemoryUsage(); map.put(NONHEAP_USED_INIT,(double)nonheapUsed.getInit() / (1024 * 1024)); map.put(NONHEAP_USED_MAX,(double)nonheapUsed.getMax() / (1024 * 1024)); map.put(NONHEAP_USED_COMMITTED,(double)nonheapUsed.getCommitted() / (1024 * 1024)); map.put(NONHEAP_USED,(double)nonheapUsed.getUsed() / (1024 * 1024)); map.put(THREAD_CNT,(double)threads.getThreadCount()); map.put(THREAD_DAEMON_CNT,(double)threads.getDaemonThreadCount()); map.put(THREAD_PEAK_CNT,(double)threads.getPeakThreadCount()); map.put(THREAD_STARTED_CNT,(double)threads.getTotalStartedThreadCount()); map.put(START_TIME,(double)runtime.getStartTime()); map.put(UPTIME,(double)runtime.getUptime()); map.put(LOADED_CLASS_CNT,(double)classes.getLoadedClassCount()); map.put(UNLOADED_CLASS_CNT,(double)classes.getUnloadedClassCount()); map.put(TOTAL_LOADED_CLASS_CNT,(double)classes.getTotalLoadedClassCount()); for ( GarbageCollectorMXBean gbean : ManagementFactory.getGarbageCollectorMXBeans()) { map.put(GC + gbean.getName().replace(" ","_") + CNT,(double)gbean.getCollectionCount()); map.put(GC + gbean.getName().replace(" ","_") + MILLIS,(double)gbean.getCollectionTime()); } return map; } Source: http://www.javased.com/?api=java.lang.management.MemoryUsage
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