Examples of MemoryMXBean

java.lang.management.MemoryMXBean
le notification .... } } MemoryMXBean mbean = ManagementFactory.getMemoryMXBean(); NotificationEmitter emitter = (NotificationEmitter) mbean; MyListener listener = new MyListener(); emitter.addNotificationListener(listener, null, null); @see JMX Specification. @see Ways to Access MXBeans @author Mandy Chung @version 1.16, 03/08/06 @since 1.5

Examples of java.lang.management.MemoryMXBean


        formatter.appendLine("Token: " + storageService_.getToken());
        RuntimeMXBean runtimeMxBean = ManagementFactory.getRuntimeMXBean();
        formatter.appendLine("Up time (in seconds): " + (runtimeMxBean.getUptime()/1000));


        MemoryMXBean memoryMxBean = ManagementFactory.getMemoryMXBean();
        MemoryUsage memUsage = memoryMxBean.getHeapMemoryUsage();
        java.text.DecimalFormat df = new java.text.DecimalFormat("#0.00");
        String smemUsed = df.format((double)memUsage.getUsed()/(1024 * 1024));
        String smemMax = df.format((double)memUsage.getMax()/(1024 * 1024));
        formatter.appendLine("Heap memory usage (in MB): " + smemUsed + "/" + smemMax);

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Examples of java.lang.management.MemoryMXBean

      out.println("\nMemory usage");
    }


    // only show overall stats in verbose mode
    if (verbose) {
      MemoryMXBean overallMemBean = ManagementFactory.getMemoryMXBean();
      MemoryUsage usage = overallMemBean.getHeapMemoryUsage();
      writeOverallMemoryUsage(out, usage, "Heap", pretty);


      usage = overallMemBean.getNonHeapMemoryUsage();
      writeOverallMemoryUsage(out, usage, "Non-heap", pretty);
    }


    if (verbose) {
      List<MemoryPoolMXBean> mpBeans = ManagementFactory.getMemoryPoolMXBeans();

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Examples of java.lang.management.MemoryMXBean

        listDumpFiles(pw);
    }


    final void printOverallMemory(final PrintHelper pw)
    {
        final MemoryMXBean mem = getMemory();


        pw.keyVal("Verbose Memory Output", (mem.isVerbose() ? "yes" : "no"));
        pw.keyVal("Pending Finalizable Objects", mem.getObjectPendingFinalizationCount());


        pw.keyVal("Overall Heap Memory Usage", mem.getHeapMemoryUsage());
        pw.keyVal("Overall Non-Heap Memory Usage", mem.getNonHeapMemoryUsage());
    }

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Examples of java.lang.management.MemoryMXBean

      List<MemoryPoolMXBean> bean2 = ManagementFactory
          .getMemoryPoolMXBeans();


      if (bean2 == null) {


        MemoryMXBean bean = ManagementFactory.getMemoryMXBean();
        if (bean != null) {


          MemoryUsage mu = bean.getHeapMemoryUsage();
          res = res.cons(ETuple.make(am_heap, ERT.box(mu.getCommitted()),
              ERT.box(mu.getUsed())));


          mu = bean.getNonHeapMemoryUsage();
          res = res.cons(ETuple.make(am_non_heap, ERT.box(mu
              .getCommitted()), ERT.box(mu.getUsed())));


        }

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Examples of java.lang.management.MemoryMXBean

    }


    private void refreshMemUsage() {
        // memoryStatus.setValue("Not available in Java 1.4");
        StringBuffer mem = new StringBuffer();
        MemoryMXBean mmBean = ManagementFactory.getMemoryMXBean();
        mem.append("Heap (M):");
        mem.append(mmBean.getHeapMemoryUsage().getUsed() / 1048576);
        mem.append(" | Non-Heap (M):");
        mem.append(mmBean.getNonHeapMemoryUsage().getUsed() / 1048576);
        memoryStatus.setValue(mem.toString());


    }

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Examples of java.lang.management.MemoryMXBean


    private void refreshMemUsage() {
        memoryStatus.setValue("Not available in Java 1.4");


        StringBuffer mem = new StringBuffer();
        MemoryMXBean mmBean = ManagementFactory.getMemoryMXBean();
        mem.append("Heap (M):");
        mem.append(mmBean.getHeapMemoryUsage().getUsed() / 1048576);
        mem.append(" | Non-Heap (M):");
        mem.append(mmBean.getNonHeapMemoryUsage().getUsed() / 1048576);
        memoryStatus.setValue(mem.toString());


    }

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Examples of java.lang.management.MemoryMXBean

        doEventCountUpdates();
        metrics.update();
    }
    
    private void doMemoryUpdates() {
        MemoryMXBean memoryMXBean =
               ManagementFactory.getMemoryMXBean();
        MemoryUsage memNonHeap =
                memoryMXBean.getNonHeapMemoryUsage();
        MemoryUsage memHeap =
                memoryMXBean.getHeapMemoryUsage();
        Runtime runtime = Runtime.getRuntime();


        metrics.setMetric("memNonHeapUsedM", memNonHeap.getUsed()/M);
        metrics.setMetric("memNonHeapCommittedM", memNonHeap.getCommitted()/M);
        metrics.setMetric("memHeapUsedM", memHeap.getUsed()/M);

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Examples of java.lang.management.MemoryMXBean

    }
    reader.close();
  }


  public static void setupJvmMetrics() {
    final MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean();
    final OperatingSystemMXBean operatingSystemMXBean = ManagementFactory.getOperatingSystemMXBean();


    Metrics.newGauge(new MetricName(ORG_APACHE_BLUR, SYSTEM, LOAD_AVERAGE), new Gauge<Double>() {
      @Override
      public Double value() {
        return operatingSystemMXBean.getSystemLoadAverage();
      }
    });
    Metrics.newGauge(new MetricName(ORG_APACHE_BLUR, JVM, HEAP_USED), new Gauge<Long>() {
      @Override
      public Long value() {
        MemoryUsage usage = memoryMXBean.getHeapMemoryUsage();
        return usage.getUsed();
      }
    });
    Method processCpuTimeMethod = null;
    for (Method method : operatingSystemMXBean.getClass().getDeclaredMethods()) {

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Examples of java.lang.management.MemoryMXBean

        return kernel.getBootTime();
    }


    public Stats getStats() {
        RuntimeMXBean runmxbean = ManagementFactory.getRuntimeMXBean();
        MemoryMXBean memmxbean = ManagementFactory.getMemoryMXBean();
        MemoryUsage memUsage = memmxbean.getHeapMemoryUsage();
        CountStatisticImpl upTime;
        BoundedRangeStatisticImpl heapSize;
        
        if (stats == null) {
            stats = new JVMStatsImpl();

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Examples of java.lang.management.MemoryMXBean

    memstore = new MemStore(conf, KeyValue.COMPARATOR);
    
    int ROW_SIZE = 2048;
    byte[] qualifier = new byte[ROW_SIZE - 4];
    
    MemoryMXBean bean = ManagementFactory.getMemoryMXBean();
    for (int i = 0; i < 3; i++) { System.gc(); }
    long usageBefore = bean.getHeapMemoryUsage().getUsed();
    
    long size = 0;
    long ts=0;
    
    for (int newValue = 0; newValue < 1000; newValue++) {
      for (int row = newValue; row < newValue + 1000; row++) {
        byte[] rowBytes = Bytes.toBytes(row);
        size += memstore.updateColumnValue(rowBytes, FAMILY, qualifier, newValue, ++ts);
      }
    }
    System.out.println("Wrote " + ts + " vals");
    for (int i = 0; i < 3; i++) { System.gc(); }
    long usageAfter = bean.getHeapMemoryUsage().getUsed();
    System.out.println("Memory used: " + (usageAfter - usageBefore)
        + " (heapsize: " + memstore.heapSize() + 
        " size: " + size + ")");
  }

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