Examples of MemoryMXBean

Examples of java.lang.management.MemoryMXBean

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    public static void main(String[] args) throws Exception {
        JMXServiceURL url = new JMXServiceURL("service:jmx:rmi:///jndi/rmi://localhost:9004/jmxrmi");
        JMXConnector connector = JMXConnectorFactory.connect(url);
        MBeanServerConnection mbsc = connector.getMBeanServerConnection();
        MemoryMXBean memoryMbean = ManagementFactory.newPlatformMXBeanProxy(mbsc, "java.lang:type=Memory", MemoryMXBean.class);
        for (int i = 0; i < 100; i++) {
            MemoryUsage mu = memoryMbean.getHeapMemoryUsage();
            System.out.println(mu.getUsed());
            Thread.sleep(1000);
        }
    }
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Examples of java.lang.management.MemoryMXBean

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    @Test
    public void testMemoryMXBean() throws IOException {
        DescribedResource describedResource = basicResourceTest("memory", null);

        MemoryMXBean mbean = ManagementFactory.getMemoryMXBean();
        boolean verbose = describedResource.resource.get("verbose").asBoolean();
        Assert.assertEquals(mbean.isVerbose(), verbose);

        ModelNode op = getOperation("write-attribute", "memory", null);
        op.get("name").set("verbose");
        op.get("value").set(!verbose);
        executeOp(op, false);
        Assert.assertEquals(mbean.isVerbose(), !verbose);

        // Restore
        mbean.setVerbose(verbose);

        op = getOperation("gc", "memory", null);
        Assert.assertFalse(executeOp(op, false).isDefined());
    }
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Examples of java.lang.management.MemoryMXBean

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    private void createRuntimeProps(MemberStateImpl memberState) {
        Runtime runtime = Runtime.getRuntime();
        ThreadMXBean threadMxBean = ManagementFactory.getThreadMXBean();
        RuntimeMXBean runtimeMxBean = ManagementFactory.getRuntimeMXBean();
        ClassLoadingMXBean clMxBean = ManagementFactory.getClassLoadingMXBean();
        MemoryMXBean memoryMxBean = ManagementFactory.getMemoryMXBean();
        MemoryUsage heapMemory = memoryMxBean.getHeapMemoryUsage();
        MemoryUsage nonHeapMemory = memoryMxBean.getNonHeapMemoryUsage();
        Map<String, Long> map = new HashMap<String, Long>();
        map.put("runtime.availableProcessors", Integer.valueOf(runtime.availableProcessors()).longValue());
        map.put("date.startTime", runtimeMxBean.getStartTime());
        map.put("seconds.upTime", runtimeMxBean.getUptime());
        map.put("memory.maxMemory", runtime.maxMemory());
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Examples of java.lang.management.MemoryMXBean

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    long inodes = fsn.dir.totalInodes();
    long blocks = fsn.getBlocksTotal();
    long maxobjects = fsn.getMaxObjects();

    MemoryMXBean mem = ManagementFactory.getMemoryMXBean();
    MemoryUsage heap = mem.getHeapMemoryUsage();
    long totalMemory = heap.getUsed();
    long maxMemory = heap.getMax();
    long commitedMemory = heap.getCommitted();
   
    MemoryUsage nonHeap = mem.getNonHeapMemoryUsage();
    long totalNonHeap = nonHeap.getUsed();
    long maxNonHeap = nonHeap.getMax();
    long commitedNonHeap = nonHeap.getCommitted();

    long used = (totalMemory * 100) / commitedMemory;
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Examples of java.lang.management.MemoryMXBean

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  static String getInodeLimitText(FSNamesystem fsn) {
    long inodes = fsn.dir.totalInodes();
    long blocks = fsn.getBlocksTotal();
    long maxobjects = fsn.getMaxObjects();

    MemoryMXBean mem = ManagementFactory.getMemoryMXBean();
    MemoryUsage heap = mem.getHeapMemoryUsage();
    long totalMemory = heap.getUsed();
    long maxMemory = heap.getMax();
    long commitedMemory = heap.getCommitted();
   
    MemoryUsage nonHeap = mem.getNonHeapMemoryUsage();
    long totalNonHeap = nonHeap.getUsed();
    long maxNonHeap = nonHeap.getMax();
    long commitedNonHeap = nonHeap.getCommitted();

    long used = (totalMemory * 100) / commitedMemory;
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Examples of java.lang.management.MemoryMXBean

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        doEventCountUpdates();
        metrics.update();
    }
   
    private void doMemoryUpdates() {
        MemoryMXBean memoryMXBean =
               ManagementFactory.getMemoryMXBean();
        MemoryUsage memNonHeap =
                memoryMXBean.getNonHeapMemoryUsage();
        MemoryUsage memHeap =
                memoryMXBean.getHeapMemoryUsage();
        metrics.setMetric("memNonHeapUsedM", memNonHeap.getUsed()/M);
        metrics.setMetric("memNonHeapCommittedM", memNonHeap.getCommitted()/M);
        metrics.setMetric("memHeapUsedM", memHeap.getUsed()/M);
        metrics.setMetric("memHeapCommittedM", memHeap.getCommitted()/M);
    }
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Examples of java.lang.management.MemoryMXBean

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    return OUTCOME_ADMIN;
  }

  @PostConstruct
  public void update() {
    MemoryMXBean memoryBean = ManagementFactory.getMemoryMXBean();
    MemoryUsage memory = memoryBean.getHeapMemoryUsage();
    memoryUsage = new DefaultBoundedRangeModel(Long.valueOf(memory.getUsed() / 1024).intValue(),
        0, 0, Long.valueOf(memory.getMax() / 1024).intValue());
    int percentValue = memoryUsage.getValue() / (memoryUsage.getMaximum() * 100);
    if (percentValue <= 80) {
      state = "ok";
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Examples of java.lang.management.MemoryMXBean

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    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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Examples of java.lang.management.MemoryMXBean

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  public String admin() {
    return OUTCOME_ADMIN;
  }

  public boolean getUpdateMemory() {
    MemoryMXBean memoryBean = ManagementFactory.getMemoryMXBean();
    MemoryUsage memory = memoryBean.getHeapMemoryUsage();
    memoryUsage = new DefaultBoundedRangeModel(Long.valueOf(memory.getUsed()/1024).intValue(),
        0, 0, Long.valueOf(memory.getMax()/1024).intValue());
    int percentValue = memoryUsage.getValue()/(memoryUsage.getMaximum()*100);
    if (percentValue <= 80) {
      state = "ok";
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Examples of java.lang.management.MemoryMXBean

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  }

  // This shows an easy stack overflow because we're counting recursively.
  @Ignore
  public void testChainedEstimation() {
    MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean();

    Random rnd = random();
    Entry first = new Entry();
    try {
      while (true) {
        // Check the current memory consumption and provide the estimate.
        long jvmUsed = memoryMXBean.getHeapMemoryUsage().getUsed();
        long estimated = RamUsageEstimator.sizeOf(first);
        System.out.println(String.format(Locale.ROOT, "%10d, %10d",
            jvmUsed, estimated));

        // Make a batch of objects.
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