Package com.sun.management

Examples of com.sun.management.GarbageCollectorMXBean

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        try
        {
            ObjectName gcName = new ObjectName(ManagementFactory.GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",*");
            for (ObjectName name : server.queryNames(gcName, null))
            {
                GarbageCollectorMXBean gc = ManagementFactory.newPlatformMXBeanProxy(server, name.getCanonicalName(), GarbageCollectorMXBean.class);
                beans.add(gc);
            }
        }
        catch (Exception e)
        {
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        try
        {
            ObjectName gcName = new ObjectName(ManagementFactory.GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",*");
            for (ObjectName name : server.queryNames(gcName, null))
            {
                GarbageCollectorMXBean gc = ManagementFactory.newPlatformMXBeanProxy(server, name.getCanonicalName(), GarbageCollectorMXBean.class);
                beans.add(gc);
            }
        }
        catch (Exception e)
        {
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        try
        {
            ObjectName gcName = new ObjectName(ManagementFactory.GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",*");
            for (ObjectName name : server.queryNames(gcName, null))
            {
                GarbageCollectorMXBean gc = ManagementFactory.newPlatformMXBeanProxy(server, name.getCanonicalName(), GarbageCollectorMXBean.class);
                beans.add(gc);
            }
        }
        catch (Exception e)
        {
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            afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
        }

        Set<Map.Entry<ObjectName,Long>> set = gcMBeans.entrySet();
        for (Map.Entry<ObjectName,Long> e : set) {
            GarbageCollectorMXBean gc =
                client.getMXBean(e.getKey(),
                                 com.sun.management.GarbageCollectorMXBean.class);
            Long gcCount = e.getValue();
            Long newCount = gc.getCollectionCount();
            if (newCount > gcCount) {
                gcMBeans.put(e.getKey(), new Long(newCount));
                lastGcInfo = gc.getLastGcInfo();
                if (lastGcInfo.getEndTime() > lastGcEndTime) {
                    gcId = lastGcInfo.getId();
                    lastGcStartTime = lastGcInfo.getStartTime();
                    lastGcEndTime = lastGcInfo.getEndTime();
                    beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
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        System.gc();
        List mgrs = ManagementFactory.getGarbageCollectorMXBeans();
        for (ListIterator iter = mgrs.listIterator(); iter.hasNext(); ) {
            Object mgr = iter.next();
            if (mgr instanceof GarbageCollectorMXBean) {
                GarbageCollectorMXBean gc = (GarbageCollectorMXBean) mgr;
                GcInfo info = gc.getLastGcInfo();
                if (info != null) {
                    checkGcInfo(gc.getName(), info);
                    hasGcInfo = true;
                }
            }
        }
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Related Classes of com.sun.management.GarbageCollectorMXBean

  • LastGCInfo
  • org.apache.cassandra.service.GCInspector
  • sun.tools.jconsole.MemoryPoolProxy
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